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import std.stdio,std.array,std.conv,std.algorithm; void main(){ auto a=readln().split().map!(to!int); writeln(a[0]-(a[0]>a[1])); }
D
import std.stdio; import std.string; import std.format; import std.conv; import std.typecons; import std.algorithm; import std.functional; import std.bigint; import std.numeric; import std.array; import std.math; import std.range; import std.container; import std.concurrency; import std.traits; import std.uni; import core.bitop : popcnt; alias Generator = std.concurrency.Generator; enum long INF = long.max/3; enum long MOD = 10L^^9+7; void main() { long N; scanln(N); long[] as = N.rep!(() => readln.chomp.to!long); if (as.all!"a%2==0") { "second".writeln; } else { "first".writeln; } } // ---------------------------------------------- void times(alias fun)(long n) { // n.iota.each!(i => fun()); foreach(i; 0..n) fun(); } auto rep(alias fun, T = typeof(fun()))(long n) { // return n.iota.map!(i => fun()).array; T[] res = new T[n]; foreach(ref e; res) e = fun(); return res; } T ceil(T)(T x, T y) if (isIntegral!T || is(T == BigInt)) { // `(x+y-1)/y` will only work for positive numbers ... T t = x / y; if (t * y < x) t++; return t; } T floor(T)(T x, T y) if (isIntegral!T || is(T == BigInt)) { T t = x / y; if (t * y > x) t--; return t; } ref T ch(alias fun, T, S...)(ref T lhs, S rhs) { return lhs = fun(lhs, rhs); } unittest { long x = 1000; x.ch!min(2000); assert(x == 1000); x.ch!min(3, 2, 1); assert(x == 1); x.ch!max(100).ch!min(1000); // clamp assert(x == 100); x.ch!max(0).ch!min(10); // clamp assert(x == 10); } mixin template Constructor() { import std.traits : FieldNameTuple; this(Args...)(Args args) { // static foreach(i, v; args) { foreach(i, v; args) { mixin("this." ~ FieldNameTuple!(typeof(this))[i]) = v; } } } void scanln(Args...)(auto ref Args args) { import std.meta; template getFormat(T) { static if (isIntegral!T) { enum getFormat = "%d"; } else static if (isFloatingPoint!T) { enum getFormat = "%g"; } else static if (isSomeString!T || isSomeChar!T) { enum getFormat = "%s"; } else { static assert(false); } } enum string fmt = [staticMap!(getFormat, Args)].join(" "); string[] inputs = readln.chomp.split; foreach(i, ref v; args) { v = inputs[i].to!(Args[i]); } } // fold was added in D 2.071.0 static if (__VERSION__ < 2071) { template fold(fun...) if (fun.length >= 1) { auto fold(R, S...)(R r, S seed) { static if (S.length < 2) { return reduce!fun(seed, r); } else { return reduce!fun(tuple(seed), r); } } } } // cumulativeFold was added in D 2.072.0 static if (__VERSION__ < 2072) { template cumulativeFold(fun...) if (fun.length >= 1) { import std.meta : staticMap; private alias binfuns = staticMap!(binaryFun, fun); auto cumulativeFold(R)(R range) if (isInputRange!(Unqual!R)) { return cumulativeFoldImpl(range); } auto cumulativeFold(R, S)(R range, S seed) if (isInputRange!(Unqual!R)) { static if (fun.length == 1) return cumulativeFoldImpl(range, seed); else return cumulativeFoldImpl(range, seed.expand); } private auto cumulativeFoldImpl(R, Args...)(R range, ref Args args) { import std.algorithm.internal : algoFormat; static assert(Args.length == 0 || Args.length == fun.length, algoFormat("Seed %s does not have the correct amount of fields (should be %s)", Args.stringof, fun.length)); static if (args.length) alias State = staticMap!(Unqual, Args); else alias State = staticMap!(ReduceSeedType!(ElementType!R), binfuns); foreach (i, f; binfuns) { static assert(!__traits(compiles, f(args[i], e)) || __traits(compiles, { args[i] = f(args[i], e); }()), algoFormat("Incompatible function/seed/element: %s/%s/%s", fullyQualifiedName!f, Args[i].stringof, E.stringof)); } static struct Result { private: R source; State state; this(R range, ref Args args) { source = range; if (source.empty) return; foreach (i, f; binfuns) { static if (args.length) state[i] = f(args[i], source.front); else state[i] = source.front; } } public: @property bool empty() { return source.empty; } @property auto front() { assert(!empty, "Attempting to fetch the front of an empty cumulativeFold."); static if (fun.length > 1) { import std.typecons : tuple; return tuple(state); } else { return state[0]; } } void popFront() { assert(!empty, "Attempting to popFront an empty cumulativeFold."); source.popFront; if (source.empty) return; foreach (i, f; binfuns) state[i] = f(state[i], source.front); } static if (isForwardRange!R) { @property auto save() { auto result = this; result.source = source.save; return result; } } static if (hasLength!R) { @property size_t length() { return source.length; } } } return Result(range, args); } } } // minElement/maxElement was added in D 2.072.0 static if (__VERSION__ < 2072) { private auto extremum(alias map, alias selector = "a < b", Range)(Range r) if (isInputRange!Range && !isInfinite!Range && is(typeof(unaryFun!map(ElementType!(Range).init)))) in { assert(!r.empty, "r is an empty range"); } body { alias Element = ElementType!Range; Unqual!Element seed = r.front; r.popFront(); return extremum!(map, selector)(r, seed); } private auto extremum(alias map, alias selector = "a < b", Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seedElement) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void) && is(typeof(unaryFun!map(ElementType!(Range).init)))) { alias mapFun = unaryFun!map; alias selectorFun = binaryFun!selector; alias Element = ElementType!Range; alias CommonElement = CommonType!(Element, RangeElementType); Unqual!CommonElement extremeElement = seedElement; alias MapType = Unqual!(typeof(mapFun(CommonElement.init))); MapType extremeElementMapped = mapFun(extremeElement); // direct access via a random access range is faster static if (isRandomAccessRange!Range) { foreach (const i; 0 .. r.length) { MapType mapElement = mapFun(r[i]); if (selectorFun(mapElement, extremeElementMapped)) { extremeElement = r[i]; extremeElementMapped = mapElement; } } } else { while (!r.empty) { MapType mapElement = mapFun(r.front); if (selectorFun(mapElement, extremeElementMapped)) { extremeElement = r.front; extremeElementMapped = mapElement; } r.popFront(); } } return extremeElement; } private auto extremum(alias selector = "a < b", Range)(Range r) if (isInputRange!Range && !isInfinite!Range && !is(typeof(unaryFun!selector(ElementType!(Range).init)))) { alias Element = ElementType!Range; Unqual!Element seed = r.front; r.popFront(); return extremum!selector(r, seed); } private auto extremum(alias selector = "a < b", Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seedElement) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void) && !is(typeof(unaryFun!selector(ElementType!(Range).init)))) { alias Element = ElementType!Range; alias CommonElement = CommonType!(Element, RangeElementType); Unqual!CommonElement extremeElement = seedElement; alias selectorFun = binaryFun!selector; // direct access via a random access range is faster static if (isRandomAccessRange!Range) { foreach (const i; 0 .. r.length) { if (selectorFun(r[i], extremeElement)) { extremeElement = r[i]; } } } else { while (!r.empty) { if (selectorFun(r.front, extremeElement)) { extremeElement = r.front; } r.popFront(); } } return extremeElement; } auto minElement(Range)(Range r) if (isInputRange!Range && !isInfinite!Range) { return extremum(r); } auto minElement(alias map, Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seed) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void)) { return extremum!map(r, seed); } auto minElement(Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seed) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void)) { return extremum(r, seed); } auto maxElement(alias map, Range)(Range r) if (isInputRange!Range && !isInfinite!Range) { return extremum!(map, "a > b")(r); } auto maxElement(Range)(Range r) if (isInputRange!Range && !isInfinite!Range) { return extremum!`a > b`(r); } auto maxElement(alias map, Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seed) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void)) { return extremum!(map, "a > b")(r, seed); } auto maxElement(Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seed) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void)) { return extremum!`a > b`(r, seed); } } // popcnt with ulongs was added in D 2.071.0 static if (__VERSION__ < 2071) { ulong popcnt(ulong x) { x = (x & 0x5555555555555555L) + (x>> 1 & 0x5555555555555555L); x = (x & 0x3333333333333333L) + (x>> 2 & 0x3333333333333333L); x = (x & 0x0f0f0f0f0f0f0f0fL) + (x>> 4 & 0x0f0f0f0f0f0f0f0fL); x = (x & 0x00ff00ff00ff00ffL) + (x>> 8 & 0x00ff00ff00ff00ffL); x = (x & 0x0000ffff0000ffffL) + (x>>16 & 0x0000ffff0000ffffL); x = (x & 0x00000000ffffffffL) + (x>>32 & 0x00000000ffffffffL); return x; } }
D
import std.stdio; import std.string; import std.algorithm; import std.array; import std.conv; int solve(int[] list) { while (list.length > 1) { int[] res = new int[](list.length - 1); for(int i = 0; i < list.length - 1; i++) { res[i] = (list[i] + list[i + 1]) % 10; } list = res; } return list[0]; } void main() { string line; while ((line = readln.chomp).length != 0) { line.array.map!((x) => x.to!(int) - '0').array.solve.writeln; } }
D
import std.stdio; import std.string; import std.conv; import std.algorithm; import std.range; import std.traits; import std.math; import std.conv; void main() { auto s = readln.chomp; string res; foreach(i; s) { switch(i) { case '0', '1': res ~= i; break; case 'B': if(res.length != 0) res.popBack(); break; default: break; } } res.writeln; } // =================================== T readAs(T)() if (isBasicType!T) { return readln.chomp.to!T; } T readAs(T)() if (isArray!T) { return readln.split.to!T; } T[][] readMatrix(T)(uint height, uint width) if (isBasicType!T) { auto res = new T[][](height, width); foreach(i; 0..height) { res[i] = readAs!(T[]); } return res; } int ri() { return readAs!int; }
D
import std.algorithm; import std.array; import std.conv; import std.math; import std.range; import std.stdio; import std.string; void main() { auto n = readln.strip.to!int; auto s = readln.strip.splitter; auto a = s.front; s.popFront; auto b = s.front; foreach (i; 0 .. n) { write (a[i], b[i]); } writeln; }
D
import std.stdio, std.string, std.conv, std.algorithm; int abs(int x) { return (x >= 0) ? x : -x; } void main() { int N = readln.chomp.to!(int); int[][] a; for (int i = 0; i < N; i++) { a ~= readln.chomp.split.to!(int[]); } bool f = true; int t = 0, x = 0, y = 0; for (int i = 0; i < N; i++) { int dt = abs(a[i][0] - x), dx = a[i][1] - x, dy = a[i][2] - y; int d = abs(dx) + abs(dy); f = d <= dt && (d - dt) % 2 == 0; if (!f) { break; } } writeln(f ? "Yes" : "No"); }
D
import std.algorithm; import std.array; import std.conv; import std.math; import std.range; import std.stdio; import std.string; void main() { immutable n = readln.strip.to!long; ulong res; void check (long x) { --x; if (n / x == n % x) res += x; } for (int i = 2; i.to!long * i <= n; ++i) { check (i); long j = n / i; if (j != i) { check (n / i); } } if (n > 1) check (n); writeln (res); }
D
import std.stdio; import std.algorithm; import std.string; import std.array; import std.functional; import std.conv; import std.math; void main(){ while(true){ auto s = readln(); if(stdin.eof()) break; int n = to!int(s.chomp()); int[4001] arr; for(int i=0;i<=1000;i++){ for(int j=0;j<=1000;j++){ arr[i+j]++; } } int ans; for(int i=0;i<=n;i++){ ans += arr[i] * arr[n-i]; } writeln(ans); } }
D
import std.algorithm; import std.array; import std.conv; import std.math; import std.range; import std.stdio; import std.string; import std.typecons; int readint() { return readln.chomp.to!int; } int[] readints() { return readln.split.map!(to!int).array; } void main() { auto xt = readints; int x = xt[0], t = xt[1]; int ans = max(0, x - t); writeln(ans); }
D
import std.stdio; import std.string; import std.conv; import std.algorithm; import std.math; void main() { ((ushort[] ip) => ip[0] + ip[1] >= ip[2] ? "Yes" : "No")(readln.split.to!(ushort[])).writeln; }
D
void main() { int[] tmp = readln.split.to!(int[]); int a = tmp[0], b = tmp[1]; writeln(a >= 13 ? b : a >= 6 ? b / 2 : 0); } import std.stdio; import std.string; import std.array; import std.conv; import std.algorithm; import std.range; import std.typecons;
D
import std; enum inf(T)()if(__traits(isArithmetic,T)){return T.max/4;} T scan(T=long)(){return readln.chomp.to!T;} void scan(T...)(ref T args){auto input=readln.chomp.split;foreach(i,t;T)args[i]=input[i].to!t;} T[] scanarr(T=long)(){return readln.chomp.split.to!(T[]);} alias Queue=DList;auto enq(T)(ref Queue!T q,T e){q.insertBack(e);}T deq(T)(ref Queue!T q){T e=q.front;q.removeFront;return e;} alias Stack=SList;auto push(T)(ref Stack!T s,T e){s.insert(e);}T pop(T)(ref Stack!T s){T e=s.front;s.removeFront;return e;} struct UnionFind(T){T[T]u;ulong[T] rank;@property{bool inc(T e){return e in u;}auto size(){return u.keys.length;}auto dup(){T[] child=u.keys;T[] parent=u.values;auto res=UnionFind!T(child);child.each!(e=>res.add(e));size.iota.each!(i=>res.unite(child[i],parent[i]));return res;}}this(T e){e.add;}this(T[] es){es.each!(e=>e.add);}auto add(T a,T b=a){assert(b.inc);u[a]=a;rank[a];if(a!=b)unite(a,b);}auto find(T e){if(u[e]==e)return e;return u[e]=find(u[e]);}auto same(T a,T b){return a.find==b.find;}auto unite(T a,T b){a=a.find;b=b.find;if(a==b)return;if(rank[a]<rank[b])u[a]=b;else{u[b]=a;if(rank[a]==rank[b])rank[a]++;}}} struct PriorityQueue(T,alias less="a<b"){BinaryHeap!(T[],less) heap;@property{bool empty(){return heap.empty;}auto length(){return heap.length;}auto dup(){return PriorityQueue!(T,less)(array);}T[] array(){T[] res;auto tp=heap.dup;foreach(i;0..length){res~=tp.front;tp.removeFront;}return res;}void push(T e){heap.insert(e);}void push(T[] es){es.each!(e=>heap.insert(e));}}T look(){return heap.front;}T pop(){T tp=look;heap.removeFront;return tp;}this(T e){ heap=heapify!(less,T[])([e]);} this(T[] e){ heap=heapify!(less,T[])(e);}} //END OF TEMPLATE void main(){ ulong n,k; scan(n,k); ulong sum; foreach(l;k..n+2){ sum=(sum+l*(n-l+1)+1)%(10^^9+7); } sum.writeln; }
D
import core.bitop; import std.algorithm; import std.ascii; import std.bigint; import std.conv; import std.functional; import std.math; import std.numeric; import std.range; import std.stdio; import std.string; import std.random; import std.typecons; alias sread = () => readln.chomp(); alias Point2 = Tuple!(long, "y", long, "x"); T lread(T = long)() { return readln.chomp.to!T(); } T[] aryread(T = long)() { return readln.split.to!(T[])(); } void scan(TList...)(ref TList Args) { auto line = readln.split(); foreach (i, T; TList) { T val = line[i].to!(T); Args[i] = val; } } void minAssign(T, U = T)(ref T dst, U src) { dst = cast(T) min(dst, src); } void maxAssign(T, U = T)(ref T dst, U src) { dst = cast(T) max(dst, src); } void main() { long x, a, b; scan(x, a, b); auto z = abs(x - a) - abs(x - b); z = z / abs(z); auto ary = ["A", "", "B"]; writeln(ary[z + 1]); }
D
import std.algorithm; import std.array; import std.conv; import std.math; import std.range; import std.stdio; import std.string; import std.typecons; T read(T)() { return readln.chomp.to!T; } T[] reads(T)() { return readln.split.to!(T[]); } alias readint = read!int; alias readints = reads!int; bool f(int n) { return 1 <= n && n <= 12; } string calc(string s) { auto a = (10 * (s[0] - '0')) + (s[1] - '0'); auto b = (10 * (s[2] - '0')) + (s[3] - '0'); if (f(a) && f(b)) return "AMBIGUOUS"; if (f(a)) return "MMYY"; if (f(b)) return "YYMM"; return "NA"; } void main() { string s = read!string; writeln(calc(s)); }
D
import std.stdio, std.array, std.string, std.conv, std.algorithm; import std.typecons, std.range, std.random, std.math, std.container; import std.numeric, std.bigint, core.bitop; long N, cnt; bool ask(long n) { writeln("? ", n); stdout.flush; cnt += 1; debug { string sn = n.to!string; string sN = N.to!string; return (n <= N && sn <= sN) || (n > N && sn > sN); } else { return readln.chomp == "Y"; } } void main() { debug {N = readln.chomp.to!long;} long x = 10; for (; x <= 10^^9 && ask(x); x *= 10) {} if (x == 10L^^10) { // N = 1, 10, 100, ... x = 2; for (; x <= 2 * 10L^^9 && !ask(x); x *= 10) {} writeln("! ", x / 2); } else { long k = x / 10; x = 0; for (; k > 0; k /= 10) { long hi = 10; long lo = 0; while (hi - lo > 1) { long mid = (hi + lo) / 2; if (ask((x * 10 + mid) * 10L^^9)) hi = mid; else lo = mid; } x = x * 10 + lo; } writeln("! ", x + 1); } debug {cnt.writeln;} }
D
import std.algorithm, std.conv, std.range, std.stdio, std.string; void readV(T...)(ref T t){auto r=readln.splitter;foreach(ref v;t){v=r.front.to!(typeof(v));r.popFront;}} void readA(T)(size_t n,ref T t){t=new T(n);auto r=readln.splitter;foreach(ref v;t){v=r.front.to!(ElementType!T);r.popFront;}} void readM(T...)(size_t n,ref T t){foreach(ref v;t)v=new typeof(v)(n);foreach(i;0..n){auto r=readln.splitter;foreach(ref v;t){v[i]=r.front.to!(ElementType!(typeof(v)));r.popFront;}}} void readS(T)(size_t n,ref T t){t=new T(n);foreach(ref v;t){auto r=readln.splitter;foreach(ref j;v.tupleof){j=r.front.to!(typeof(j));r.popFront;}}} void main() { int a, b, c; readV(a, b, c); auto dp = new int[][][](60, 60, 60), inf = 10^^9; int calc(int a, int b, int c) { if (a >= 60 || b >= 60 || c >= 60) return inf; if (a == b && b == c) return 0; if (dp[a][b][c]) return dp[a][b][c]; return dp[a][b][c] = min(calc(a+1, b+1, c), calc(a+1, b, c+1), calc(a, b+1, c+1), calc(a+2, b, c), calc(a, b+2, c), calc(a, b, c+2)) + 1; } writeln(calc(a, b, c)); }
D
import std.algorithm, std.string, std.range, std.stdio, std.conv, std.math; long f(long b, long n) { return (n < b) ? n : f(b, n/b) + n % b; } long solve(long N, long S) { if (N < S) { return -1; } if (N == S) { return N + 1; } foreach (i; 2.iota(sqrt(N.to!float) + 1)) { auto j = i.to!long; if (f(j, N) == S) { return j; } } long ans = long.max; foreach (i; 1.iota(sqrt(N.to!float) + 1)) { auto j = i.to!long; long b = (N - S) / j + 1; if (b == 1) continue; if (f(b, N) == S) ans = min(ans, b); } if (ans < long.max) { return ans; } else { return -1; } } void main() { long N = readln.chomp.to!long, S = readln.chomp.to!long; writeln(solve(N, S)); }
D
import std.stdio, std.algorithm, std.conv, std.array, std.string, std.math, std.typecons, std.numeric; size_t[][26] D; void main() { auto s = readln.chomp.to!(char[]); auto t = readln.chomp.to!(char[]); foreach (i, c; s) { D[c - 'a'] ~= i; } ulong cnt; size_t p; bool first = true; foreach (c; t) { auto d = D[c - 'a']; if (d.empty) { writeln(-1); return; } if (first) { first = false; if (d[0] == 0) { continue; } } if (d[$-1] <= p) { p = d[0]; ++cnt; continue; } else if (d[0] > p) { p = d[0]; continue; } size_t l, r = d.length-1; while (l+1 < r) { auto m = (l+r)/2; if (d[m] <= p) { l = m; } else { r = m; } } p = d[r]; } writeln(s.length * cnt + p + 1); }
D
import std.stdio, std.string, std.conv, std.algorithm, std.numeric; import std.range, std.array, std.math, std.typecons, std.container, core.bitop; void main() { long x, y; scan(x, y); int ans = 1; while (2*x <= y) { x *= 2; ans++; } writeln(ans); } void scan(T...)(ref T args) { string[] line = readln.split; foreach (ref arg; args) { arg = line.front.to!(typeof(arg)); line.popFront(); } assert(line.empty); } void fillAll(R, T)(ref R arr, T value) { static if (is(typeof(arr[] = value))) { arr[] = value; } else { foreach (ref e; arr) { fillAll(e, value); } } }
D
import core.bitop, std.bitmanip; import core.checkedint; import std.algorithm, std.functional, std.meta; import std.array, std.container; import std.bigint; import std.conv; import std.math, std.numeric; import std.range, std.range.interfaces; import std.stdio, std.string; import std.typecons; void main() { auto s = readln.chomp; int ans = 0; for (int i = 0, j = s.length.to!int - 1; i < j; ++i, --j) { if (s[i] != s[j]) { ++ans; } } ans.writeln; }
D
import std.stdio; import std.conv; import std.string; import std.typecons; import std.algorithm; import std.array; import std.range; import std.math; import std.regex : regex; import std.container; import std.bigint; import std.ascii; void main() { auto s = readln.chomp; if (s[2] == s[3] && s[4] == s[5]) { writeln("Yes"); } else { writeln("No"); } }
D
// unihernandez22 // https://atcoder.jp/contests/abc076/tasks/abc076_c // string manipulation import std.stdio; import std.string; void main() { string s = readln.chomp; string t = readln.chomp; long idx = -1; bool matched; for(long i = (s.count-t.count); i >= 0; i--) { if (s[i] == '?' || s[i] == t[0]) { matched = true; foreach(j; 0..t.count) { if (s[i+j] != '?' && s[i+j] != t[j]) { matched = false; break; } } if (matched) { idx = i; break; } } } if (idx == -1) { writeln("UNRESTORABLE"); return; } foreach(i; 0..s.count) { if (s[i] == '?' && (i < idx || i >= t.count+idx)) write("a"); else if (s[i] == '?') write(t[i-idx]); else write(s[i]); } writeln; }
D
import std.stdio; import std.ascii; void main() { int sum = 0; foreach (string input; stdin.lines) { auto num = 0; foreach (c; input) { if (c.isDigit) { num = (num * 10) + (c - '0'); } else { sum += num; num = 0; } } } writeln(sum); }
D
import std.stdio; import std.string; import std.conv; import std.algorithm; void main() { string[] inputs = split(readln()); int a, b; foreach(v; inputs) { switch(v) { case "5": a++; break; case "7": b++; break; default: break; } } if(a == 2 && b == 1) "YES".writeln; else "NO".writeln; }
D
import std.stdio, std.algorithm, std.conv, std.array, std.string, std.math, std.typecons, std.numeric, std.container, std.range; void main() { auto N = readln.chomp.to!int; auto cs = readln.chomp.to!(char[]); int c; int i, j = N-1; while (i < j) { while (i < N && cs[i] != 'W') ++i; while (j >= 0 && cs[j] != 'R') --j; if (i < j && j < N) { ++c; ++i; --j; } } writeln(c); }
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import core.bitop; import std.algorithm; import std.ascii; import std.bigint; import std.conv; import std.functional; import std.math; import std.numeric; import std.range; import std.stdio; import std.string; import std.random; import std.typecons; alias sread = () => readln.chomp(); alias Point2 = Tuple!(long, "y", long, "x"); T lread(T = long)() { return readln.chomp.to!T(); } T[] aryread(T = long)() { return readln.split.to!(T[])(); } void scan(TList...)(ref TList Args) { auto line = readln.split(); foreach (i, T; TList) { T val = line[i].to!(T); Args[i] = val; } } void minAssign(T, U = T)(ref T dst, U src) { dst = cast(T) min(dst, src); } void maxAssign(T, U = T)(ref T dst, U src) { dst = cast(T) max(dst, src); } void main() { writeln((lread() - lread()) % lread()); }
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void main() { import std.stdio, std.string, std.conv, std.algorithm; long n, m; rd(n, m); long ans = 1; for (long k = 1; k * k <= m; k++) { if (m % k == 0) { if (n * k <= m) { ans = max(ans, k); } if (n * (m / k) <= m) { ans = max(ans, m / k); } } } writeln(ans); } void rd(T...)(ref T x) { import std.stdio : readln; import std.string : split; import std.conv : to; auto l = readln.split; assert(l.length == x.length); foreach (i, ref e; x) e = l[i].to!(typeof(e)); }
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import std.stdio; import std.string; void main() { char[] s = readln.chomp.dup; char[] t = readln.chomp.dup; string ans = "No"; foreach (i; 0..s.length){ s = s[$ - 1] ~ s[0..$ - 1]; if (s == t){ ans = "Yes"; break; } } writeln(ans); }
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import std.stdio, std.string, std.array, std.conv, std.algorithm, std.typecons, std.range, std.container, std.math, std.algorithm.searching, std.functional,std.mathspecial; void main(){ writeln(totalSum(readln.chomp)); } long totalSum(string str){ long total=0; foreach(i,s;str){ auto num=[s].to!long; auto headPattern=2^^i; foreach(k;0..str.length-i){ auto tailLength=str.length-i-1-k; auto tailPattern=tailLength==0?1:2^^(tailLength-1); total+=num*10^^k*headPattern*tailPattern; } } return total; }
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import std.stdio, std.algorithm, std.conv, std.array, std.string, std.math, std.typecons, std.numeric; void main() { auto abk = readln.split.to!(int[]); auto A = abk[0]; auto B = abk[1]; auto K = abk[2]; foreach_reverse (k; 1..101) { if (A % k == 0 && B % k == 0 && --K == 0) { writeln(k); return; } } }
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import std.stdio; int main() { for(int i=1; i<=9; i++) { for(int j=1; j<=9; j++) { writeln(i, "x", j, "=", i*j); } } return 0; }
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import std.stdio, std.algorithm, std.range, std.conv; void main(){ iota(1, 10).map!(a => iota(1, 10).map!(b => text(a, "x", b, "=", a*b)).join("\n")).join("\n").writeln; }
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import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); } long mod = 10^^9 + 7; //long mod = 998_244_353; //long mod = 1_000_003; void moda(T)(ref T x, T y) { x = (x + y) % mod; } void mods(T)(ref T x, T y) { x = ((x + mod) - (y % mod)) % mod; } void modm(T)(ref T x, T y) { x = (x * y) % mod; } void modpow(T)(ref T x, T y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } void modd(T)(ref T x, T y) { y.modpow(mod - 2); x.modm(y); } void main() { auto X = RD; auto K = RD; auto D = RD; long ans; if (abs(X) / D >= K) { ans = abs(X) - D * K; } else { auto cnt = abs(X) / D; auto y = abs(X) - D * cnt; auto rem = K - cnt; if (rem % 2) ans = abs(y - D); else ans = y; } writeln(ans); stdout.flush; debug readln; }
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import core.bitop, std.algorithm, std.ascii, std.bigint, std.conv, std.math, std.functional, std.numeric, std.range, std.stdio, std.string, std.random, std.typecons, std.container, std.format; static import std.ascii; // dfmt off T lread(T = long)(){return readln.chomp.to!T();} T[] aryread(T = long)(){return readln.split.to!(T[])();} void scan(TList...)(ref TList Args){auto line = readln.split(); foreach (i, T; TList){T val = line[i].to!(T);Args[i] = val;}} alias sread = () => readln.chomp();enum MOD = 10 ^^ 9 + 7; alias PQueue(T, alias less = "a<b") = BinaryHeap!(Array!T, less); // dfmt on void main() { long N = lread(); auto S = new string[](N); auto T = new long[](N); foreach (i; 0 .. N) scan(S[i], T[i]); auto X = sread(); long s; while (S[s] != X) s++; long ans; foreach (i; s + 1 .. N) ans += T[i]; writeln(ans); }
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import std.stdio; import std.conv, std.array, std.algorithm, std.string; import std.math, std.random, std.range, std.datetime; import std.bigint; void main(){ int x, y; { int[] tmp = readln.chomp.split.map!(to!int).array; x = tmp[0], y = tmp[1]; } int ans1, ans2, ans3, ans4; if(y >= x) ans1 = y - x; else ans1 = int.max; if(y >= -x) ans2 = 1 + (y - -x); else ans2 = int.max; if(-y >= x) ans3 = 1 + (-y - x); else ans3 = int.max; if(-y >= -x) ans4 = 2 + (-y - -x); else ans4 = int.max; int ans = min(ans1, ans2, ans3, ans4); ans.writeln; }
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// dfmt off T lread(T=long)(){return readln.chomp.to!T;}T[] lreads(T=long)(long n){return iota(n).map!((_)=>lread!T).array;} T[] aryread(T=long)(){return readln.split.to!(T[]);}void arywrite(T)(T a){a.map!text.join(' ').writeln;} void scan(L...)(ref L A){auto l=readln.split;foreach(i,T;L){A[i]=l[i].to!T;}}alias sread=()=>readln.chomp(); void dprint(L...)(lazy L A){debug{auto l=new string[](L.length);static foreach(i,a;A)l[i]=a.text;arywrite(l);}} static immutable MOD=10^^9+7;alias PQueue(T,alias l="b<a")=BinaryHeap!(Array!T,l);import std; // dfmt on void main() { long R, G, B, N; scan(R, G, B, N); long ans; foreach (r; 0 .. N*2) foreach (g; 0 .. N*2) { long remain = N - R * r - G * g; if (remain < 0) continue; if (remain % B == 0) ans++; } writeln(ans); }
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import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); } //long mod = 10^^9 + 7; long mod = 998_244_353; //long mod = 1_000_003; void moda(ref long x, long y) { x = (x + y) % mod; } void mods(ref long x, long y) { x = ((x + mod) - (y % mod)) % mod; } void modm(ref long x, long y) { x = (x * y) % mod; } void modpow(ref long x, long y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } void modd(ref long x, long y) { y.modpow(mod - 2); x.modm(y); } void main() { auto t = RD!int; auto ans = new bool[](t); foreach (ti; 0..t) { auto a = RD!string; foreach (i; 0..2^^3) { auto arr = new int[](3); arr[0] = i & 0b100; arr[1] = i & 0b010; arr[2] = i & 0b001; long cnt; bool ok = true; foreach (c; a) { auto num = c - 'A'; if (arr[num]) ++cnt; else --cnt; if (cnt < 0) { ok = false; break; } } if (!ok) continue; if (cnt == 0) { ans[ti] = true; break; } } } foreach (e; ans) writeln(e ? "YES" : "NO"); stdout.flush; debug readln; }
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// xxxxx import std.random; import std.stdio; void main () { rndGen.seed (unpredictableSeed); writeln (uniform (0, 2) ? "Even" : "Odd"); }
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import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static string[] s_rd; T RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } string RDR()() { return readln.chomp; } T[] ARR(T = long)(in string str, T fix = 0) { auto r = str.split.to!(T[]); r[] += fix; return r; } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } long lcm(long x, long y) { return x * y / gcd(x, y); } //long mod = 10^^9 + 7; long mod = 998244353; void moda(ref long x, long y) { x = (x + y) % mod; } void mods(ref long x, long y) { x = ((x + mod) - (y % mod)) % mod; } void modm(ref long x, long y) { x = (x * y) % mod; } void main() { auto K = RD!int; int a, b; for (int i = 5; i*i <= K; ++i) { if (K % i == 0) { if (K / i >= 5) { a = i; b = K / i; break; } } } if (a == 0) writeln(-1); else { auto str = "aiueo"; foreach (i; 0..a) { foreach (j; 0..b) { write(str[((i%5)+j)%5]); } } writeln(); } stdout.flush(); debug readln(); }
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/+ dub.sdl: name "B" dependency "dcomp" version=">=0.6.0" +/ import std.stdio, std.algorithm, std.range, std.conv; // import dcomp.foundation, dcomp.scanner; // import dcomp.modint; int main() { auto sc = new Scanner(stdin); int n; long a, b, c, d; sc.read(n, a, b, c, d); n--; foreach (i; 0..n+1) { //up i, down n-i long ma = a + d*i - c*(n-i); long mi = a + c*i - d*(n-i); if (mi <= b && b <= ma) { writeln("YES"); return 0; } } writeln("NO"); return 0; } /* IMPORT /home/yosupo/Program/dcomp/source/dcomp/modint.d */ // module dcomp.modint; // import dcomp.numeric.primitive; struct ModInt(uint MD) if (MD < int.max) { import std.conv : to; uint v; this(int v) {this(long(v));} this(long v) {this.v = (v%MD+MD)%MD;} static auto normS(uint x) {return (x<MD)?x:x-MD;} static auto make(uint x) {ModInt m; m.v = x; return m;} auto opBinary(string op:"+")(ModInt r) const {return make(normS(v+r.v));} auto opBinary(string op:"-")(ModInt r) const {return make(normS(v+MD-r.v));} auto opBinary(string op:"*")(ModInt r) const {return make((long(v)*r.v%MD).to!uint);} auto opBinary(string op:"/")(ModInt r) const {return this*inv(r);} auto opOpAssign(string op)(ModInt r) {return mixin ("this=this"~op~"r");} static ModInt inv(ModInt x) {return ModInt(extGcd!int(x.v, MD)[0]);} string toString() {return v.to!string;} } struct DModInt(string name) { import std.conv : to; static uint MD; uint v; this(int v) {this(long(v));} this(long v) {this.v = ((v%MD+MD)%MD).to!uint;} static auto normS(uint x) {return (x<MD)?x:x-MD;} static auto make(uint x) {DModInt m; m.MD = MD; m.v = x; return m;} auto opBinary(string op:"+")(DModInt r) const {return make(normS(v+r.v));} auto opBinary(string op:"-")(DModInt r) const {return make(normS(v+MD-r.v));} auto opBinary(string op:"*")(DModInt r) const {return make((long(v)*r.v%MD).to!uint);} auto opBinary(string op:"/")(DModInt r) const {return this*inv(r);} auto opOpAssign(string op)(DModInt r) {return mixin ("this=this"~op~"r");} static DModInt inv(DModInt x) { return DModInt(extGcd!int(x.v, MD)[0]); } string toString() {return v.to!string;} } template isModInt(T) { const isModInt = is(T : ModInt!MD, uint MD) || is(S : DModInt!S, string s); } T[] factTable(T)(size_t length) if (isModInt!T) { import std.range : take, recurrence; import std.array : array; return T(1).recurrence!((a, n) => a[n-1]*T(n)).take(length).array; } T[] invFactTable(T)(size_t length) if (isModInt!T) { import std.algorithm : map, reduce; import std.range : take, recurrence, iota; import std.array : array; auto res = new T[length]; res[$-1] = T(1) / iota(1, length).map!T.reduce!"a*b"; foreach_reverse (i, v; res[0..$-1]) { res[i] = res[i+1] * T(i+1); } return res; } T[] invTable(T)(size_t length) if (isModInt!T) { auto f = factTable!T(length); auto invf = invFactTable!T(length); auto res = new T[length]; foreach (i; 1..length) { res[i] = invf[i] * f[i-1]; } return res; } /* IMPORT /home/yosupo/Program/dcomp/source/dcomp/foundation.d */ // module dcomp.foundation; static if (__VERSION__ <= 2070) { template fold(fun...) if (fun.length >= 1) { auto fold(R, S...)(R r, S seed) { import std.algorithm : reduce; static if (S.length < 2) { return reduce!fun(seed, r); } else { import std.typecons : tuple; return reduce!fun(tuple(seed), r); } } } } version (X86) static if (__VERSION__ < 2071) { import core.bitop : bsf, bsr, popcnt; int bsf(ulong v) { foreach (i; 0..64) { if (v & (1UL << i)) return i; } return -1; } int bsr(ulong v) { foreach_reverse (i; 0..64) { if (v & (1UL << i)) return i; } return -1; } int popcnt(ulong v) { int c = 0; foreach (i; 0..64) { if (v & (1UL << i)) c++; } return c; } } /* IMPORT /home/yosupo/Program/dcomp/source/dcomp/scanner.d */ // module dcomp.scanner; class Scanner { import std.stdio : File; import std.conv : to; import std.range : front, popFront, array, ElementType; import std.array : split; import std.traits : isSomeChar, isStaticArray, isArray; import std.algorithm : map; File f; this(File f) { this.f = f; } char[512] lineBuf; char[] line; private bool succ() { import std.range.primitives : empty, front, popFront; import std.ascii : isWhite; while (true) { while (!line.empty && line.front.isWhite) { line.popFront; } if (!line.empty) break; if (f.eof) return false; line = lineBuf[]; f.readln(line); } return true; } private bool readSingle(T)(ref T x) { import std.algorithm : findSplitBefore; import std.string : strip; import std.conv : parse; if (!succ()) return false; static if (isArray!T) { alias E = ElementType!T; static if (isSomeChar!E) { auto r = line.findSplitBefore(" "); x = r[0].strip.dup; line = r[1]; } else { auto buf = line.split.map!(to!E).array; static if (isStaticArray!T) { assert(buf.length == T.length); } x = buf; line.length = 0; } } else { x = line.parse!T; } return true; } int read(T, Args...)(ref T x, auto ref Args args) { if (!readSingle(x)) return 0; static if (args.length == 0) { return 1; } else { return 1 + read(args); } } } /* IMPORT /home/yosupo/Program/dcomp/source/dcomp/numeric/primitive.d */ // module dcomp.numeric.primitive; import std.traits; import std.bigint; T pow(T, U)(T x, U n) if (!isFloatingPoint!T && (isIntegral!U || is(U == BigInt))) { return pow(x, n, T(1)); } T pow(T, U)(T x, U n, T e) if (isIntegral!U || is(U == BigInt)) { while (n) { if (n & 1) e *= x; x *= x; n /= 2; } return e; } T lcm(T)(in T a, in T b) { import std.numeric : gcd; return a / gcd(a,b) * b; } T[3] extGcd(T)(in T a, in T b) if (!isIntegral!T || isSigned!T) { if (b==0) { return [T(1), T(0), a]; } else { auto e = extGcd(b, a%b); return [e[1], e[0]-a/b*e[1], e[2]]; } }
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// Vicfred // https://atcoder.jp/contests/abc162/tasks/abc162_b // simulation import std.conv; import std.stdio; import std.string; void main() { int n = readln.chomp.to!int; long sum = 0; foreach(i; 1..n+1) { if(i%3 != 0 && i%5 != 0) sum += i; } sum.writeln; }
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void main() { long n, m, k; rdVals(n, m, k); foreach (i; 0 .. n+1) { foreach (j; 0 .. m+1) { long black = i * m + j * n -2 * i * j; if (black == k) { "Yes".writeln; return; } } } "No".writeln; } enum long mod = 10^^9 + 7; enum long inf = 1L << 60; T rdElem(T = long)() if (!is(T == struct)) { return readln.chomp.to!T; } alias rdStr = rdElem!string; alias rdDchar = rdElem!(dchar[]); T rdElem(T)() if (is(T == struct)) { T result; string[] input = rdRow!string; assert(T.tupleof.length == input.length); foreach (i, ref x; result.tupleof) { x = input[i].to!(typeof(x)); } return result; } T[] rdRow(T = long)() { return readln.split.to!(T[]); } T[] rdCol(T = long)(long col) { return iota(col).map!(x => rdElem!T).array; } T[][] rdMat(T = long)(long col) { return iota(col).map!(x => rdRow!T).array; } void rdVals(T...)(ref T data) { string[] input = rdRow!string; assert(data.length == input.length); foreach (i, ref x; data) { x = input[i].to!(typeof(x)); } } void wrMat(T = long)(T[][] mat) { foreach (row; mat) { foreach (j, compo; row) { compo.write; if (j == row.length - 1) writeln; else " ".write; } } } import std.stdio; import std.string; import std.array; import std.conv; import std.algorithm; import std.range; import std.math; import std.numeric; import std.traits; import std.container; import std.functional; import std.typecons; import std.ascii; import std.uni;
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import std.stdio; import std.string; import std.format; import std.conv; import std.typecons; import std.algorithm; import std.functional; import std.bigint; import std.numeric; import std.array; import std.math; import std.range; import std.container; import std.concurrency; import std.traits; import std.uni; import core.bitop : popcnt; alias Generator = std.concurrency.Generator; enum long INF = long.max/3; enum long MOD = 10L^^9+7; void main() { long x = readln.split.reduce!"a~b".to!long; foreach(i; 0..x) { if (i*i == x) { "Yes".writeln; return; } } "No".writeln; } // ---------------------------------------------- void times(alias fun)(long n) { // n.iota.each!(i => fun()); foreach(i; 0..n) fun(); } auto rep(alias fun, T = typeof(fun()))(long n) { // return n.iota.map!(i => fun()).array; T[] res = new T[n]; foreach(ref e; res) e = fun(); return res; } T ceil(T)(T x, T y) if (isIntegral!T || is(T == BigInt)) { // `(x+y-1)/y` will only work for positive numbers ... T t = x / y; if (t * y < x) t++; return t; } T floor(T)(T x, T y) if (isIntegral!T || is(T == BigInt)) { T t = x / y; if (t * y > x) t--; return t; } ref T ch(alias fun, T, S...)(ref T lhs, S rhs) { return lhs = fun(lhs, rhs); } unittest { long x = 1000; x.ch!min(2000); assert(x == 1000); x.ch!min(3, 2, 1); assert(x == 1); x.ch!max(100).ch!min(1000); // clamp assert(x == 100); x.ch!max(0).ch!min(10); // clamp assert(x == 10); } mixin template Constructor() { import std.traits : FieldNameTuple; this(Args...)(Args args) { // static foreach(i, v; args) { foreach(i, v; args) { mixin("this." ~ FieldNameTuple!(typeof(this))[i]) = v; } } } void scanln(Args...)(auto ref Args args) { import std.meta; template getFormat(T) { static if (isIntegral!T) { enum getFormat = "%d"; } else static if (isFloatingPoint!T) { enum getFormat = "%g"; } else static if (isSomeString!T || isSomeChar!T) { enum getFormat = "%s"; } else { static assert(false); } } enum string fmt = [staticMap!(getFormat, Args)].join(" "); string[] inputs = readln.chomp.split; foreach(i, ref v; args) { v = inputs[i].to!(Args[i]); } } // fold was added in D 2.071.0 static if (__VERSION__ < 2071) { template fold(fun...) if (fun.length >= 1) { auto fold(R, S...)(R r, S seed) { static if (S.length < 2) { return reduce!fun(seed, r); } else { return reduce!fun(tuple(seed), r); } } } } // cumulativeFold was added in D 2.072.0 static if (__VERSION__ < 2072) { template cumulativeFold(fun...) if (fun.length >= 1) { import std.meta : staticMap; private alias binfuns = staticMap!(binaryFun, fun); auto cumulativeFold(R)(R range) if (isInputRange!(Unqual!R)) { return cumulativeFoldImpl(range); } auto cumulativeFold(R, S)(R range, S seed) if (isInputRange!(Unqual!R)) { static if (fun.length == 1) return cumulativeFoldImpl(range, seed); else return cumulativeFoldImpl(range, seed.expand); } private auto cumulativeFoldImpl(R, Args...)(R range, ref Args args) { import std.algorithm.internal : algoFormat; static assert(Args.length == 0 || Args.length == fun.length, algoFormat("Seed %s does not have the correct amount of fields (should be %s)", Args.stringof, fun.length)); static if (args.length) alias State = staticMap!(Unqual, Args); else alias State = staticMap!(ReduceSeedType!(ElementType!R), binfuns); foreach (i, f; binfuns) { static assert(!__traits(compiles, f(args[i], e)) || __traits(compiles, { args[i] = f(args[i], e); }()), algoFormat("Incompatible function/seed/element: %s/%s/%s", fullyQualifiedName!f, Args[i].stringof, E.stringof)); } static struct Result { private: R source; State state; this(R range, ref Args args) { source = range; if (source.empty) return; foreach (i, f; binfuns) { static if (args.length) state[i] = f(args[i], source.front); else state[i] = source.front; } } public: @property bool empty() { return source.empty; } @property auto front() { assert(!empty, "Attempting to fetch the front of an empty cumulativeFold."); static if (fun.length > 1) { import std.typecons : tuple; return tuple(state); } else { return state[0]; } } void popFront() { assert(!empty, "Attempting to popFront an empty cumulativeFold."); source.popFront; if (source.empty) return; foreach (i, f; binfuns) state[i] = f(state[i], source.front); } static if (isForwardRange!R) { @property auto save() { auto result = this; result.source = source.save; return result; } } static if (hasLength!R) { @property size_t length() { return source.length; } } } return Result(range, args); } } } // minElement/maxElement was added in D 2.072.0 static if (__VERSION__ < 2072) { private template RebindableOrUnqual(T) { static if (is(T == class) || is(T == interface) || isDynamicArray!T || isAssociativeArray!T) alias RebindableOrUnqual = Rebindable!T; else alias RebindableOrUnqual = Unqual!T; } private auto extremum(alias map, alias selector = "a < b", Range)(Range r) if (isInputRange!Range && !isInfinite!Range && is(typeof(unaryFun!map(ElementType!(Range).init)))) in { assert(!r.empty, "r is an empty range"); } body { alias Element = ElementType!Range; RebindableOrUnqual!Element seed = r.front; r.popFront(); return extremum!(map, selector)(r, seed); } private auto extremum(alias map, alias selector = "a < b", Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seedElement) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void) && is(typeof(unaryFun!map(ElementType!(Range).init)))) { alias mapFun = unaryFun!map; alias selectorFun = binaryFun!selector; alias Element = ElementType!Range; alias CommonElement = CommonType!(Element, RangeElementType); RebindableOrUnqual!CommonElement extremeElement = seedElement; // if we only have one statement in the loop, it can be optimized a lot better static if (__traits(isSame, map, a => a)) { // direct access via a random access range is faster static if (isRandomAccessRange!Range) { foreach (const i; 0 .. r.length) { if (selectorFun(r[i], extremeElement)) { extremeElement = r[i]; } } } else { while (!r.empty) { if (selectorFun(r.front, extremeElement)) { extremeElement = r.front; } r.popFront(); } } } else { alias MapType = Unqual!(typeof(mapFun(CommonElement.init))); MapType extremeElementMapped = mapFun(extremeElement); // direct access via a random access range is faster static if (isRandomAccessRange!Range) { foreach (const i; 0 .. r.length) { MapType mapElement = mapFun(r[i]); if (selectorFun(mapElement, extremeElementMapped)) { extremeElement = r[i]; extremeElementMapped = mapElement; } } } else { while (!r.empty) { MapType mapElement = mapFun(r.front); if (selectorFun(mapElement, extremeElementMapped)) { extremeElement = r.front; extremeElementMapped = mapElement; } r.popFront(); } } } return extremeElement; } private auto extremum(alias selector = "a < b", Range)(Range r) if (isInputRange!Range && !isInfinite!Range && !is(typeof(unaryFun!selector(ElementType!(Range).init)))) { return extremum!(a => a, selector)(r); } // if we only have one statement in the loop it can be optimized a lot better private auto extremum(alias selector = "a < b", Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seedElement) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void) && !is(typeof(unaryFun!selector(ElementType!(Range).init)))) { return extremum!(a => a, selector)(r, seedElement); } auto minElement(alias map = (a => a), Range)(Range r) if (isInputRange!Range && !isInfinite!Range) { return extremum!map(r); } auto minElement(alias map = (a => a), Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seed) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void)) { return extremum!map(r, seed); } auto maxElement(alias map = (a => a), Range)(Range r) if (isInputRange!Range && !isInfinite!Range) { return extremum!(map, "a > b")(r); } auto maxElement(alias map = (a => a), Range, RangeElementType = ElementType!Range) (Range r, RangeElementType seed) if (isInputRange!Range && !isInfinite!Range && !is(CommonType!(ElementType!Range, RangeElementType) == void)) { return extremum!(map, "a > b")(r, seed); } } // popcnt with ulongs was added in D 2.071.0 static if (__VERSION__ < 2071) { ulong popcnt(ulong x) { x = (x & 0x5555555555555555L) + (x>> 1 & 0x5555555555555555L); x = (x & 0x3333333333333333L) + (x>> 2 & 0x3333333333333333L); x = (x & 0x0f0f0f0f0f0f0f0fL) + (x>> 4 & 0x0f0f0f0f0f0f0f0fL); x = (x & 0x00ff00ff00ff00ffL) + (x>> 8 & 0x00ff00ff00ff00ffL); x = (x & 0x0000ffff0000ffffL) + (x>>16 & 0x0000ffff0000ffffL); x = (x & 0x00000000ffffffffL) + (x>>32 & 0x00000000ffffffffL); return x; } }
D
import std.stdio; int[][int] graph; bool[int] used; void dependent(int n) { if (!used[n]) { foreach(i; graph[n]) { dependent(i); } writeln(n); used[n] = true; } } void main() { int m, n; scanf("%d\n%d\n", &m, &n); foreach(i; 1..(m + 1)) {graph[i] = []; used[i] = false;} foreach(i; 0..n) { int to, from; scanf("%d %d", &from, &to); graph[to] ~= from; } foreach(i; 1..m) dependent(i); }
D
import std.stdio, std.string, std.conv; void main() { int[] tmp = readln.split.to!(int[]); int x = tmp[0], a = tmp[1]; writeln(x < a ? 0 : 10); }
D
import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static string[] s_rd; T RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } string RDR()() { return readln.chomp; } T[] ARR(T = long)(in string str, T fix = 0) { auto r = str.split.to!(T[]); r[] += fix; return r; } T[] RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[][] RDA2(T = long)(size_t n, T[] fix = []) { auto r = new T[][](n); foreach (i; 0..n) { r[i] = readln.chomp.split.to!(T[]); foreach (j, e; fix) r[i][j] += e; } return r; } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } long lcm(long x, long y) { return x * y / gcd(x, y); } //long mod = 10^^9 + 7; long mod = 998_244_353; //long mod = 1_000_003; void moda(ref long x, long y) { x = (x + y) % mod; } void mods(ref long x, long y) { x = ((x + mod) - (y % mod)) % mod; } void modm(ref long x, long y) { x = (x * y) % mod; } void main() { auto n = RD!int; auto s = RD!string; long cnt; bool ans = true; foreach (i; 0..n) { if (s[i] == '(') ++cnt; else --cnt; if (cnt < -1) { ans = false; break; } } writeln(ans && cnt == 0 ? "Yes" : "No"); stdout.flush(); debug readln(); }
D
import std.stdio; void main(){ auto s=readln(); char x=s[0]; char y=s[2]; if(x<y) writeln("<"); else if(x>y) writeln(">"); else writeln("="); }
D
import std.stdio; import std.string; import std.conv; import std.algorithm; import std.container; import std.array; import std.math; import std.range; void main() { int m = readln.chomp.split.back.to!int; string s = readln.chomp; int l = 0, r = 1; // bool[string] set; bool[ulong[2]] set; auto hasher = new RollingHash(s); foreach (i; 0 .. m) { string v = readln; auto f = function(char c, ref int w) { if (c == '+') { ++w; } else { --w; } }; if (v[0] == 'L') { f(v[1], l); } else { f(v[1], r); } set[hasher.substr(l, r)] = true; // set[s[l..r]] = true; } writeln = set.length; } class RollingHash { enum ulong MOD1 = 1_000_000_007; enum ulong MOD2 = 1_000_000_009; enum ulong B1 = 1_009; enum ulong B2 = 1_007; ulong[] b1s, b2s; ulong[] array1; ulong[] array2; this(string s) { array1 ~= 0; array2 ~= 0; b1s ~= 1; b2s ~= 1; foreach (c; s) { array1 ~= ((array1.back + ulong(c)) * B1) % MOD1; array2 ~= ((array2.back + ulong(c)) * B2) % MOD2; b1s ~= (b1s.back * B1) % MOD1; b2s ~= (b2s.back * B2) % MOD2; } } ulong[2] substr(uint l, uint r) { ulong h1 = (array1[r] - ((b1s[r - l] * array1[l]) % MOD1) + MOD1) % MOD1; ulong h2 = (array2[r] - ((b2s[r - l] * array2[l]) % MOD2) + MOD2) % MOD2; return [h1, h2]; } }
D
import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); } long mod = 10^^9 + 7; //long mod = 998244353; //long mod = 1_000_003; void moda(T)(ref T x, T y) { x = (x + y) % mod; } void mods(T)(ref T x, T y) { x = ((x + mod) - (y % mod)) % mod; } void modm(T)(ref T x, T y) { x = (x * y) % mod; } void modpow(T)(ref T x, T y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } void main() { auto H = RD; long ans, cnt = 1; while (H != 0) { ans += cnt; H /= 2; cnt *= 2; } writeln(ans); stdout.flush; debug readln; }
D
import std.algorithm; import std.array; import std.bigint; import std.bitmanip; import std.conv; import std.numeric; import std.range; import std.stdio; import std.string; import std.typecons; T diff(T)(const ref T a, const ref T b) { return a > b ? a - b : b - a; } T[] readToArray(T)() { return readln.split.to!(T[]); } void readInto(T...)(ref T ts) { auto ss = readln.split; foreach(ref t; ts) { t = ss.front.to!(typeof(t)); ss.popFront; } } // 冪乗をmod取りつつ計算 @nogc @safe pure ulong modPow(ulong a, ulong n, ulong m) { ulong r = 1; while (n > 0) { if(n % 2 != 0) r = r * a % m; a = a * a % m; n /= 2; } return r; } // フェルマーの小定理から乗法逆元を計算 // 定理の要請により法は素数 @nogc @safe pure ulong modInv(ulong a, ulong m) { return modPow(a, m-2, m); } // mod取りつつ順列を計算 @nogc @safe pure ulong modPerm(ulong n, ulong k, ulong m) { if (n < k) return 0; ulong r = 1; for (ulong i = n-k+1; i <= n; i++) { r *= i; r %= m; } return r; } // mod取りつつ順列を計算 @nogc @safe pure ulong modFact(ulong n, ulong m) { return modPerm(n, n, m); } // mod取りつつ組み合わせを計算 // modInvを使っているので法は素数 @nogc @safe pure ulong modComb(ulong n, ulong r, ulong m) { return modPerm(n, r, m)*modInv(modFact(r, m), m) % m; } immutable ulong MOD = 1000000007; void main() { ulong n, a, b; readInto(n, a, b); writeln(n*a < b ? n*a : b); }
D
import std.stdio, std.conv, std.string, std.bigint; import std.math, std.random, std.datetime; import std.array, std.range, std.algorithm, std.container, std.format; string read(){ static string[] ss; while(!ss.length) ss = readln.chomp.split; string res = ss[0]; ss.popFront; return res; } /* 有向グラフ トポロジカルソートみたいなもの ※トポロジカルソートみたいなものは先日の日経予選にもあり ソース、シンクを考えると、題意のパスはどれかのソースからどれかのシンクに至っている 入次数を調べることでソースたちを見つける 他の点にもすべて入次数を持たせておく ソースから幅優先探索 ソースの値は0とする 自分の子たちに自分の値+1をつける ただしすでに値がある場合は、改善される場合だけ上書き いずれにしてもこれらをされた子は入次数を減らす 入次数が残り0になった子はその子から続きの探索をする */ class Node{ Node[] kids; int parentcount; int value; int id; this(int id){ this.id = id; } } void main(){ int n = read.to!int; int m = read.to!int; Node[] nodes; foreach(i; 0 .. n) nodes ~= new Node(i); foreach(j; 0 .. m){ int x = read.to!int - 1; int y = read.to!int - 1; nodes[x].kids ~= nodes[y]; nodes[y].parentcount += 1; } Node[] queue; int iq; foreach(nd; nodes) if(nd.parentcount == 0){ nd.value = 0; queue ~= nd; } while(iq < queue.length){ Node nd = queue[iq]; foreach(kid; nd.kids){ kid.value = nd.value + 1; kid.parentcount -= 1; if(kid.parentcount == 0) queue ~= kid; } iq ++; } int ans = 0; foreach(nd; nodes) if(ans < nd.value) ans = nd.value; ans.writeln; }
D
import core.bitop; import std.algorithm; import std.ascii; import std.bigint; import std.conv; import std.functional; import std.math; import std.numeric; import std.range; import std.stdio; import std.string; import std.random; import std.typecons; alias sread = () => readln.chomp(); alias Point2 = Tuple!(long, "y", long, "x"); T lread(T = long)() { return readln.chomp.to!T(); } T[] aryread(T = long)() { return readln.split.to!(T[])(); } void scan(TList...)(ref TList Args) { auto line = readln.split(); foreach (i, T; TList) { T val = line[i].to!(T); Args[i] = val; } } void minAssign(T, U = T)(ref T dst, U src) { dst = cast(T) min(dst, src); } void maxAssign(T, U = T)(ref T dst, U src) { dst = cast(T) max(dst, src); } enum MOD = (10 ^^ 9) + 7; void main() { string s = sread(); long[2] cnt; foreach (c; s) { cnt[c / '1']++; } writeln(min(cnt[0], cnt[1]) * 2); }
D
import std.stdio, std.string, std.conv; import std.array, std.algorithm, std.range; void main() { int[string] c; string mw; c[mw]=0; string ml; foreach(w;readln().split()) { if(w in c){ if(++c[w]>c[mw]) mw=w; } else c[w]=1; if(ml.length < w.length) ml=w; } writeln(mw," ",ml); }
D
import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); } long mod = 10^^9 + 7; //long mod = 998_244_353; //long mod = 1_000_003; void moda(T)(ref T x, T y) { x = (x + y) % mod; } void mods(T)(ref T x, T y) { x = ((x + mod) - (y % mod)) % mod; } void modm(T)(ref T x, T y) { x = (x * y) % mod; } void modpow(T)(ref T x, T y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } void modd(T)(ref T x, T y) { y.modpow(mod - 2); x.modm(y); } void main() { auto t = RD!int; auto ans = new int[](t); auto a = new char[][][](t); foreach (ti; 0..t) { auto n = RD!int; auto k = RD!int; a[ti] = new char[][](n, n); ans[ti] = k % n == 0 ? 0 : 2; foreach (i; 0..n) { foreach (j; 0..n) a[ti][i][j] = '0'; } (){ foreach (i; 0..n) { foreach (j; 0..n) { if (k == 0) return; a[ti][j][(i+j)%n] = '1'; --k; } }}(); } foreach (ti, e; ans) { writeln(e); foreach (ee; a[ti]) writeln(ee); } stdout.flush; debug readln; }
D
import std.stdio; import std.string; import std.algorithm; import std.conv; void main() { int N = readln.chomp.to!int; auto A = readln.chomp.split.map!(to!int); int ans = (1e9).to!int; foreach(a; A) { int tmp; while (a % 2 == 0 && a > 0) { tmp++; a /= 2; } ans = min(ans, tmp); } ans.writeln; }
D
import std.stdio, std.string, std.conv; import std.range, std.algorithm, std.array, std.typecons, std.container; import std.math, std.numeric, core.bitop; void main() { int n; scan(n); writeln(n & 1 ? n * 2 : n); } void scan(T...)(ref T args) { import std.stdio : readln; import std.algorithm : splitter; import std.conv : to; import std.range.primitives; auto line = readln().splitter(); foreach (ref arg; args) { arg = line.front.to!(typeof(arg)); line.popFront(); } assert(line.empty); } void fillAll(R, T)(ref R arr, T value) { static if (is(typeof(arr[] = value))) { arr[] = value; } else { foreach (ref e; arr) { fillAll(e, value); } } }
D
import std.stdio, std.string, std.conv; import std.range, std.algorithm, std.array, std.typecons, std.container; import std.math, std.numeric, core.bitop; enum inf3 = 1_001_001_001; enum inf6 = 1_001_001_001_001_001_001L; enum mod = 1_000_000_007L; void main() { long n; long s; scan(n); scan(s); for (long b = 2; b*b <= n; b++) { if (dsum(b, n) == s) { writeln(b); return; } } long ans = inf6; for (long p = 1; p*p < n; p++) { auto q = s - p; if ((n - q) % p == 0) { long b = (n - q) / p; if (b > 1 && dsum(b, n) == s) { ans = min(ans, b); } } } if (ans < inf6) { writeln(ans); return; } if (n == s) { writeln(n + 1); return; } writeln(-1); } long dsum(long b, long n) { return n < b ? n : dsum(b, n / b) + (n % b); } void scan(T...)(ref T args) { import std.stdio : readln; import std.algorithm : splitter; import std.conv : to; import std.range.primitives; auto line = readln().splitter(); foreach (ref arg; args) { arg = line.front.to!(typeof(arg)); line.popFront(); } assert(line.empty); } void fillAll(R, T)(ref R arr, T value) { static if (is(typeof(arr[] = value))) { arr[] = value; } else { foreach (ref e; arr) { fillAll(e, value); } } }
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import std.stdio; import std.conv; import std.algorithm; import std.range; import std.string; import std.math; import std.format; void main() { foreach (string line; stdin.lines) { int n = line.chomp.to!int; int cnt = 0; for (int a = 0; a <= 9; a++) { for (int b = 0; b <= 9; b++) { for (int c = 0; c <= 9; c++) { for (int d = 0; d <= 9; d++) { if (a + b + c + d == n) { cnt++; } } } } } cnt.writeln; } }
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void main() { string s = readln.chomp; long cnt; long times; foreach (i, c; s) { if (c == 'W') { times += i - cnt; ++cnt; } } times.writeln; } import std.stdio; import std.string; import std.array; import std.conv; import std.algorithm; import std.range; import std.math; import std.numeric; import std.container; import std.typecons; import std.ascii; import std.uni;
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// import chie template :) {{{ static if (__VERSION__ < 2090) { import std.stdio, std.algorithm, std.array, std.string, std.math, std.conv, std.range, std.container, std.bigint, std.ascii, std.typecons, std.format, std.bitmanip, std.numeric; } else { import std; } // }}} // nep.scanner {{{ class Scanner { import std.stdio : File, stdin; import std.conv : to; import std.array : split; import std.string; import std.traits : isSomeString; private File file; private char[][] str; private size_t idx; this(File file = stdin) { this.file = file; this.idx = 0; } this(StrType)(StrType s, File file = stdin) if (isSomeString!(StrType)) { this.file = file; this.idx = 0; fromString(s); } private char[] next() { if (idx < str.length) { return str[idx++]; } char[] s; while (s.length == 0) { s = file.readln.strip.to!(char[]); } str = s.split; idx = 0; return str[idx++]; } T next(T)() { return next.to!(T); } T[] nextArray(T)(size_t len) { T[] ret = new T[len]; foreach (ref c; ret) { c = next!(T); } return ret; } void scan(T...)(ref T args) { foreach (ref arg; args) { arg = next!(typeof(arg)); } } void fromString(StrType)(StrType s) if (isSomeString!(StrType)) { str ~= s.to!(char[]).strip.split; } } // }}} // ModInt {{{ struct ModInt(ulong modulus) { import std.traits : isIntegral, isBoolean; import std.exception : enforce; private { ulong val; } this(const ulong n) { val = n % modulus; } this(const ModInt n) { val = n.value; } @property { ref inout(ulong) value() inout { return val; } } T opCast(T)() { static if (isIntegral!T) { return cast(T)(val); } else if (isBoolean!T) { return val != 0; } else { enforce(false, "cannot cast from " ~ this.stringof ~ " to " ~ T.stringof ~ "."); } } ModInt opAssign(const ulong n) { val = n % modulus; return this; } ModInt opOpAssign(string op)(ModInt rhs) { static if (op == "+") { val += rhs.value; if (val >= modulus) { val -= modulus; } } else if (op == "-") { if (val < rhs.value) { val += modulus; } val -= rhs.value; } else if (op == "*") { val = val * rhs.value % modulus; } else if (op == "/") { this *= rhs.inv; } else if (op == "^^") { ModInt res = 1; ModInt t = this; while (rhs.value > 0) { if (rhs.value % 2 != 0) { res *= t; } t *= t; rhs /= 2; } this = res; } else { enforce(false, op ~ "= is not implemented."); } return this; } ModInt opOpAssign(string op)(ulong rhs) { static if (op == "+") { val += ModInt(rhs).value; if (val >= modulus) { val -= modulus; } } else if (op == "-") { auto r = ModInt(rhs); if (val < r.value) { val += modulus; } val -= r.value; } else if (op == "*") { val = val * ModInt(rhs).value % modulus; } else if (op == "/") { this *= ModInt(rhs).inv; } else if (op == "^^") { ModInt res = 1; ModInt t = this; while (rhs > 0) { if (rhs % 2 != 0) { res *= t; } t *= t; rhs /= 2; } this = res; } else { enforce(false, op ~ "= is not implemented."); } return this; } ModInt opUnary(string op)() { static if (op == "++") { this += 1; } else if (op == "--") { this -= 1; } else { enforce(false, op ~ " is not implemented."); } return this; } ModInt opBinary(string op)(const ulong rhs) const { mixin("return ModInt(this) " ~ op ~ "= rhs;"); } ModInt opBinary(string op)(ref const ModInt rhs) const { mixin("return ModInt(this) " ~ op ~ "= rhs;"); } ModInt opBinary(string op)(const ModInt rhs) const { mixin("return ModInt(this) " ~ op ~ "= rhs;"); } ModInt opBinaryRight(string op)(const ulong lhs) const { mixin("return ModInt(this) " ~ op ~ "= lhs;"); } long opCmp(ref const ModInt rhs) const { return cast(long)value - cast(long)rhs.value; } bool opEquals(const ulong rhs) const { return value == ModInt(rhs).value; } ModInt inv() const { ModInt ret = this; ret ^^= modulus - 2; return ret; } string toString() const { import std.format : format; return format("%s", val); } } // }}} // alias {{{ alias Heap(T, alias less = "a < b") = BinaryHeap!(Array!T, less); alias MinHeap(T) = Heap!(T, "a > b"); // }}} // memo {{{ /* - ある値が見つかるかどうか <https://dlang.org/phobos/std_algorithm_searching.html#canFind> canFind(r, value); -> bool - 条件に一致するやつだけ残す <https://dlang.org/phobos/std_algorithm_iteration.html#filter> // 2で割り切れるやつ filter!"a % 2 == 0"(r); -> Range - 合計 <https://dlang.org/phobos/std_algorithm_iteration.html#sum> sum(r); - 累積和 <https://dlang.org/phobos/std_algorithm_iteration.html#cumulativeFold> // 今の要素に前の要素を足すタイプの一般的な累積和 // 累積和のrangeが帰ってくる(破壊的変更は行われない) cumulativeFold!"a + b"(r, 0); -> Range - rangeをarrayにしたいとき array(r); -> Array - 各要素に同じ処理をする <https://dlang.org/phobos/std_algorithm_iteration.html#map> // 各要素を2乗 map!"a * a"(r) -> Range - ユニークなやつだけ残す <https://dlang.org/phobos/std_algorithm_iteration.html#uniq> uniq(r) -> Range - 順列を列挙する <https://dlang.org/phobos/std_algorithm_iteration.html#permutations> permutation(r) -> Range - ある値で埋める <https://dlang.org/phobos/std_algorithm_mutation.html#fill> fill(r, val); -> void - バイナリヒープ <https://dlang.org/phobos/std_container_binaryheap.html#.BinaryHeap> // 昇順にするならこう(デフォは降順) BinaryHeap!(Array!T, "a > b") heap; heap.insert(val); heap.front; heap.removeFront(); - 浮動小数点の少数部の桁数設定 // 12桁 writefln("%.12f", val); - 浮動小数点の誤差を考慮した比較 <https://dlang.org/phobos/std_math.html#.approxEqual> approxEqual(1.0, 1.0099); -> true - 小数点切り上げ <https://dlang.org/phobos/std_math.html#.ceil> ceil(123.4); -> 124 - 小数点切り捨て <https://dlang.org/phobos/std_math.html#.floor> floor(123.4) -> 123 - 小数点四捨五入 <https://dlang.org/phobos/std_math.html#.round> round(4.5) -> 5 round(5.4) -> 5 */ // }}} void main() { auto cin = new Scanner; int s, w; cin.scan(s, w); if (w >= s) { writeln("unsafe"); } else { writeln("safe"); } }
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import core.bitop, std.algorithm, std.ascii, std.bigint, std.conv, std.math, std.functional, std.numeric, std.range, std.stdio, std.string, std.random, std.typecons, std.container, std.format; // dfmt off T lread(T = long)(){return readln.chomp.to!T();} T[] aryread(T = long)(){return readln.split.to!(T[])();} void scan(TList...)(ref TList Args){auto line = readln.split(); foreach (i, T; TList){T val = line[i].to!(T);Args[i] = val;}} alias sread = () => readln.chomp();enum MOD = 10 ^^ 9 + 7; alias PQueue(T, alias less = "a<b") = BinaryHeap!(Array!T, less); // dfmt on void main() { long N = lread(); char[] S = sread().dup; long Q = lread(); auto bit = new BinaryIndexedTree[]('z' - 'a' + 1); foreach (i; 0 .. bit.length) bit[i] = BinaryIndexedTree(N); foreach (i; 0 .. N) { bit[S[i] - 'a'].add(i + 1, 1); } outer: foreach (_; 0 .. Q) { auto input = readln.split(); long a = input[1].to!long(); if (input[0] == "1") { char b = input[2][0]; if (S[a - 1] == b) continue outer; bit[S[a - 1] - 'a'].add(a, -1); bit[b - 'a'].add(a, 1); S[a - 1] = cast(char) b; } if (input[0] == "2") { long b = input[2].to!long(); long ans; foreach (c; 0 .. bit.length) ans += (bit[c].sum(b) - bit[c].sum(a - 1) != 0); writeln(ans); } } } /// BIT (1-indexed) alias BinaryIndexedTree = BinaryIndexedTreeImpl!long; struct BinaryIndexedTreeImpl(T) { T[] _data; this(long n) { _data = new T[](n + 1); } T sum(long i) { T ans; for (; 0 < i; i -= (i & -i)) ans += _data[i]; return ans; } void add(long i, T x) { for (; i < _data.length; i += (i & -i)) _data[i] += x; } }
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import std.stdio; import std.string; import std.conv; import std.typecons; import std.algorithm; import std.functional; import std.bigint; import std.numeric; import std.array; import std.math; import std.range; import std.container; char[] str; void main() { int N = readln.chomp.to!int; str = readln.chomp.to!(char[]); int cnt = 0; foreach(i; 0..N) { char[] s = readln.chomp.to!(char[]); if (rec(0, 0, s, [])) cnt++; } cnt.writeln; } bool rec(int depth, int index, char[] s, int[] ary) { if (ary.length == str.length) { return true; } else if (depth<s.length){ if (s[depth] == str[index]) { if (ary.length<2 || depth-ary[$-1]==ary[$-1]-ary[$-2]) { int[] _ary = ary.dup; if (rec(depth+1, index+1, s, _ary~depth)) return true; } } if (rec(depth+1, index, s, ary)) return true; } return false; }
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import std.stdio; import std.conv; import std.string; import std.typecons; import std.algorithm; import std.array; import std.range; import std.math; import std.regex : regex; import std.container; import std.bigint; void main() { auto s = readln.chomp; auto k = "CODEFESTIVAL2016"; int cnt; foreach (i; 0..s.length) { if (s[i] != k[i]) { cnt++; } } cnt.writeln; }
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//prewritten code: https://github.com/antma/algo import std.algorithm; import std.array; import std.conv; import std.math; import std.range; import std.stdio; import std.string; import std.traits; import std.numeric; class InputReader { private: ubyte[] p; ubyte[] buffer; size_t cur; public: this () { buffer = uninitializedArray!(ubyte[])(16<<20); p = stdin.rawRead (buffer); } final ubyte skipByte (ubyte lo) { while (true) { auto a = p[cur .. $]; auto r = a.find! (c => c >= lo); if (!r.empty) { cur += a.length - r.length; return p[cur++]; } p = stdin.rawRead (buffer); cur = 0; if (p.empty) return 0; } } final ubyte nextByte () { if (cur < p.length) { return p[cur++]; } p = stdin.rawRead (buffer); if (p.empty) return 0; cur = 1; return p[0]; } template next(T) if (isSigned!T) { final T next () { T res; ubyte b = skipByte (45); if (b == 45) { while (true) { b = nextByte (); if (b < 48 || b >= 58) { return res; } res = res * 10 - (b - 48); } } else { res = b - 48; while (true) { b = nextByte (); if (b < 48 || b >= 58) { return res; } res = res * 10 + (b - 48); } } } } template next(T) if (isUnsigned!T) { final T next () { T res = skipByte (48) - 48; while (true) { ubyte b = nextByte (); if (b < 48 || b >= 58) { break; } res = res * 10 + (b - 48); } return res; } } } int dist (int x, int k) { x = (x - 1) % k; return min (x, k - x); } void main() { auto r = new InputReader; immutable n = r.next!uint; immutable k = r.next!uint; immutable a = r.next!uint; immutable b = r.next!uint; long rmin = long.max, rmax = long.min; ulong nk = n.to!ulong * k; foreach (s; 1 .. k + 1) { if (dist (s, k) != a) { continue; } debug stderr.writeln ("s = ", s); foreach (l; 1 .. k + 1) { immutable sl = l + s; if (dist (sl, k) != b) { continue; } debug stderr.writeln ("l = ", l); ulong m = l; while (m <= nk) { long z = nk / gcd (nk, m); rmin = min (rmin, z); rmax = max (rmax, z); m += k; } } } writeln (rmin, ' ', rmax); }
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import std.stdio, std.algorithm, std.conv, std.array, std.string, std.math, std.typecons, std.numeric; void main() { auto ab = readln.split.to!(int[]); auto A = ab[0]; auto B = ab[1]; int r; foreach (_; 0..2) { if (A > B) { r += A; --A; } else { r += B; --B; } } writeln(r); }
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void main() { string s = rdStr; bool ok = true; foreach (i, x; s) { if (i & 1) { if (x != 'i') ok = false; } else { if (x != 'h') ok = false; } } if (s.length & 1) ok = false; writeln(ok ? "Yes" : "No"); } enum long mod = 10^^9 + 7; enum long inf = 1L << 60; T rdElem(T = long)() if (!is(T == struct)) { return readln.chomp.to!T; } alias rdStr = rdElem!string; alias rdDchar = rdElem!(dchar[]); T rdElem(T)() if (is(T == struct)) { T result; string[] input = rdRow!string; assert(T.tupleof.length == input.length); foreach (i, ref x; result.tupleof) { x = input[i].to!(typeof(x)); } return result; } T[] rdRow(T = long)() { return readln.split.to!(T[]); } T[] rdCol(T = long)(long col) { return iota(col).map!(x => rdElem!T).array; } T[][] rdMat(T = long)(long col) { return iota(col).map!(x => rdRow!T).array; } void rdVals(T...)(ref T data) { string[] input = rdRow!string; assert(data.length == input.length); foreach (i, ref x; data) { x = input[i].to!(typeof(x)); } } void wrMat(T = long)(T[][] mat) { foreach (row; mat) { foreach (j, compo; row) { compo.write; if (j == row.length - 1) writeln; else " ".write; } } } import std.stdio; import std.string; import std.array; import std.conv; import std.algorithm; import std.range; import std.math; import std.numeric; import std.traits; import std.container; import std.functional; import std.typecons; import std.ascii; import std.uni;
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import std.conv, std.stdio, std.algorithm, std.string, std.range; void main() { const N = readln.chomp.to!int; foreach (x; 1..10) foreach (y; x..10) { if (x*y == N) { "Yes".writeln; return; } } "No".writeln; }
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import std.algorithm, std.conv, std.range, std.stdio, std.string; void readV(T...)(ref T t){auto r=readln.splitter;foreach(ref v;t){v=r.front.to!(typeof(v));r.popFront;}} void readA(T)(size_t n,ref T t){t=new T(n);auto r=readln.splitter;foreach(ref v;t){v=r.front.to!(ElementType!T);r.popFront;}} void readM(T...)(size_t n,ref T t){foreach(ref v;t)v=new typeof(v)(n);foreach(i;0..n){auto r=readln.splitter;foreach(ref v;t){v[i]=r.front.to!(ElementType!(typeof(v)));r.popFront;}}} void readS(T)(size_t n,ref T t){t=new T(n);foreach(ref v;t){auto r=readln.splitter;foreach(ref j;v.tupleof){j=r.front.to!(typeof(j));r.popFront;}}} void main() { int n; readV(n); writeln(n/3); }
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import std.stdio, std.algorithm, std.conv, std.array, std.string, std.math, std.typecons, std.numeric; void main() { auto N = readln.chomp.to!int; auto A = readln.chomp.to!(wchar[]); auto B = readln.chomp.to!(wchar[]); auto C = readln.chomp.to!(wchar[]); int r; foreach (i; 0..N) { auto a = A[i]; auto b = B[i]; auto c = C[i]; if (a == b && b == c) { } else if (a == b || b == c || c == a) { ++r; } else { r += 2; } } writeln(r); }
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void main(){ int n = _scan(); // 操作を行う回数 int k = _scan(); // 足す値 int ans = 1; foreach(elm; 0..n){ if(ans*2 < ans+k)ans *=2; else ans +=k; } writeln(ans); } import std.stdio, std.conv, std.algorithm, std.numeric, std.string; // 1要素のみの入力 T _scan(T= int)(){ return to!(T)( readln().chomp() ); } // 1行に同一型の複数入力 T[] _scanln(T = int)(){ T[] ln; foreach(string elm; readln().chomp().split()){ ln ~= elm.to!T(); } return ln; }
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import std.stdio; import std.string; import std.conv; import std.typecons; import std.algorithm; import std.functional; import std.bigint; import std.numeric; import std.array; import std.math; import std.range; import std.container; import std.ascii; void times(alias pred)(int n) { foreach(i; 0..n) pred(); } auto rep(alias pred, T = typeof(pred()))(int n) { T[] res = new T[n]; foreach(ref e; res) e = pred(); return res; } void main() { int N = readln.chomp.to!int; long[] ary = new long[2^^(N+1)]; foreach(i; 0..2^^N) { ary[2^^N-1+i] = readln.chomp.to!long; } for(int i=N-1; i>=0; i--) { foreach(j; 2^^i-1..2^^(i+1)-1) { ary[j] = f(ary[j*2+1], ary[j*2+2]); } } ary.front.writeln; } long f(long x, long y) { if (x==y) return x; return abs(x-y); }
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/+ dub.sdl: name "A" dependency "dcomp" version=">=0.7.4" +/ import std.stdio, std.algorithm, std.range, std.conv; // import dcomp.foundation, dcomp.scanner; // import dcomp.geo.primitive; bool solve() { alias P = Point2D!double; P[] pol = new P[3]; P p; foreach (i; 0..3) { double x, y; if (sc.read(x, y) != 2) return false; pol[i] = P(x, y); } double x, y; sc.read(x, y); p = P(x, y); if (contains(pol, p) == 2) { writeln("YES"); } else { writeln("NO"); } return true; } int main() { EPS!double = 1e-10; while (solve()) {} return 0; } Scanner sc; static this() { sc = new Scanner(stdin); } /* IMPORT /Users/yosupo/Program/dcomp/source/dcomp/scanner.d */ // module dcomp.scanner; // import dcomp.array; class Scanner { import std.stdio : File; import std.conv : to; import std.range : front, popFront, array, ElementType; import std.array : split; import std.traits : isSomeChar, isStaticArray, isArray; import std.algorithm : map; File f; this(File f) { this.f = f; } char[512] lineBuf; char[] line; private bool succW() { import std.range.primitives : empty, front, popFront; import std.ascii : isWhite; while (!line.empty && line.front.isWhite) { line.popFront; } return !line.empty; } private bool succ() { import std.range.primitives : empty, front, popFront; import std.ascii : isWhite; while (true) { while (!line.empty && line.front.isWhite) { line.popFront; } if (!line.empty) break; line = lineBuf[]; f.readln(line); if (!line.length) return false; } return true; } private bool readSingle(T)(ref T x) { import std.algorithm : findSplitBefore; import std.string : strip; import std.conv : parse; if (!succ()) return false; static if (isArray!T) { alias E = ElementType!T; static if (isSomeChar!E) { auto r = line.findSplitBefore(" "); x = r[0].strip.dup; line = r[1]; } else static if (isStaticArray!T) { foreach (i; 0..T.length) { bool f = succW(); assert(f); x[i] = line.parse!E; } } else { FastAppender!(E[]) buf; while (succW()) { buf ~= line.parse!E; } x = buf.data; } } else { x = line.parse!T; } return true; } int read(T, Args...)(ref T x, auto ref Args args) { if (!readSingle(x)) return 0; static if (args.length == 0) { return 1; } else { return 1 + read(args); } } } /* IMPORT /Users/yosupo/Program/dcomp/source/dcomp/array.d */ // module dcomp.array; T[N] fixed(T, size_t N)(T[N] a) {return a;} struct FastAppender(A, size_t MIN = 4) { import std.algorithm : max; import std.conv; import std.range.primitives : ElementEncodingType; import core.stdc.string : memcpy; private alias T = ElementEncodingType!A; private T* _data; private uint len, cap; @property size_t length() const {return len;} bool empty() const { return len == 0; } void reserve(size_t nlen) { import core.memory : GC; if (nlen <= cap) return; void* nx = GC.malloc(nlen * T.sizeof); cap = nlen.to!uint; if (len) memcpy(nx, _data, len * T.sizeof); _data = cast(T*)(nx); } void free() { import core.memory : GC; GC.free(_data); } void opOpAssign(string op : "~")(T item) { if (len == cap) { reserve(max(MIN, cap*2)); } _data[len++] = item; } void insertBack(T item) { this ~= item; } void removeBack() { len--; } void clear() { len = 0; } ref inout(T) back() inout { assert(len); return _data[len-1]; } ref inout(T) opIndex(size_t i) inout { return _data[i]; } T[] data() { return (_data) ? _data[0..len] : null; } } /* IMPORT /Users/yosupo/Program/dcomp/source/dcomp/foundation.d */ // module dcomp.foundation; static if (__VERSION__ <= 2070) { /* Copied by https://github.com/dlang/phobos/blob/master/std/algorithm/iteration.d Copyright: Andrei Alexandrescu 2008-. License: $(HTTP boost.org/LICENSE_1_0.txt, Boost License 1.0). */ template fold(fun...) if (fun.length >= 1) { auto fold(R, S...)(R r, S seed) { import std.algorithm : reduce; static if (S.length < 2) { return reduce!fun(seed, r); } else { import std.typecons : tuple; return reduce!fun(tuple(seed), r); } } } } import core.bitop : popcnt; static if (!__traits(compiles, popcnt(ulong.max))) { public import core.bitop : popcnt; int popcnt(ulong v) { return popcnt(cast(uint)(v)) + popcnt(cast(uint)(v>>32)); } } bool poppar(ulong v) { v^=v>>1; v^=v>>2; v&=0x1111111111111111UL; v*=0x1111111111111111UL; return ((v>>60) & 1) != 0; } /* IMPORT /Users/yosupo/Program/dcomp/source/dcomp/geo/primitive.d */ // module dcomp.geo.primitive; import std.traits; template EPS(R) { R EPS; } int sgn(R)(R a) { if (a < -EPS!R) return -1; if (a > EPS!R) return 1; return 0; } struct Point2D(T) { T[2] d; this(T x, T y) {this.d = [x, y];} this(T[2] d) {this.d = d;} @property ref inout(T) x() inout {return d[0];} @property ref inout(T) y() inout {return d[1];} ref inout(T) opIndex(size_t i) inout {return d[i];} auto opBinary(string op:"+")(Point2D r) const {return Point2D(x+r.x, y+r.y);} auto opBinary(string op:"-")(Point2D r) const {return Point2D(x-r.x, y-r.y);} static if (isFloatingPoint!T) { T abs() { import std.math : sqrt; return (x*x+y*y).sqrt; } T arg() { import std.math : atan2; return atan2(y, x); } } } bool near(T)(Point2D!T a, Point2D!T b) { return !sgn((a-b).abs); } T dot(T)(in Point2D!T l, in Point2D!T r) { return l[0]*l[0] + l[1]*r[1]; } T cross(T)(in Point2D!T l, in Point2D!T r) { return l[0]*r[1] - l[1]*r[0]; } int ccw(R)(Point2D!R a, Point2D!R b, Point2D!R c) { assert(!near(a, b)); if (near(a, c) || near(b, c)) return 0; int s = sgn(cross(b-a, c-a)); if (s) return s; if (dot(b-a, c-a) < 0) return 2; if (dot(a-b, c-b) < 0) return -2; return 0; } int contains(R)(Point2D!R[] pol, Point2D!R p) { import std.algorithm : swap; int res = -1; foreach (i; 0..pol.length) { auto a = pol[i] - p, b = pol[(i+1)<pol.length?i+1:0] - p; if (ccw(a, b, Point2D!R(0, 0)) == 0) return 1; if (a.y > b.y) swap(a, b); if (a.y <= 0 && 0 < b.y) { if (cross(a, b) < 0) res *= -1; } } return res+1; } int argcmp(T)(Point2D!T l, Point2D!T r) if (isIntegral!T) { int sgn(Point2D!T p) { if (p[1] < 0) return -1; if (p[1] > 0) return 1; if (p[0] < 0) return 2; return 0; } int lsgn = sgn(l); int rsgn = sgn(r); if (lsgn < rsgn) return -1; if (lsgn > rsgn) return 1; T x = cross(l, r); if (x > 0) return -1; if (x < 0) return 1; return 0; } /* This source code generated by dcomp and include dcomp's source code. dcomp's Copyright: Copyright (c) 2016- Kohei Morita. (https://github.com/yosupo06/dcomp) dcomp's License: MIT License(https://github.com/yosupo06/dcomp/blob/master/LICENSE.txt) */
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import std.stdio; import std.range; import std.array; import std.string; import std.conv; import std.typecons; import std.algorithm; import std.container; import std.typecons; import std.random; import std.csv; import std.regex; import std.math; import core.time; import std.ascii; import std.digest.sha; import std.outbuffer; void main() { auto args = readln.chomp.split.map!(to!int); int a = args[0]; int b = args[1]; int c = args[2]; int x = args[3]; int y = args[4]; int z = x + y; int ans = int.max; for (int i = 0; i <= z * 2; ++i) { int m = i / 2; int rx = x - m; int ry = y - m; int v = i * c + rx.max(0) * a + ry.max(0) * b; ans = min(ans, v); } ans.writeln; }
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import std.stdio; import std.string; import std.conv; import std.algorithm; import std.array; void main() { auto n = readln.chomp; int sum; for (int i = 0; i < n.length; ++i) { sum += (n[i] - '0'); } if (n.to!int % sum == 0) { "Yes".writeln; } else { "No".writeln; } }
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import std.algorithm, std.container, std.conv, std.math, std.range, std.typecons, std.stdio, std.string; auto rdsp(){return readln.splitter;} void pick(R,T)(ref R r,ref T t){t=r.front.to!T;r.popFront;} void readV(T...)(ref T t){auto r=rdsp;foreach(ref v;t)pick(r,v);} void main() { int n, m, nq; readV(n, m, nq); auto t = new int[][](n+2, n+2); foreach (_; 0..m) { int l, r; readV(l, r); ++t[1][r]; --t[l+1][r]; --t[1][n+1]; ++t[l+1][n+1]; } foreach (j; 0..n+2) foreach (i; 0..n+1) t[i+1][j] += t[i][j]; foreach (i; 0..n+2) foreach (j; 0..n+1) t[i][j+1] += t[i][j]; foreach (_; 0..nq) { int p, q; readV(p, q); writeln(t[p][q]); } }
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import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); } long mod = 10^^9 + 7; //long mod = 998244353; //long mod = 1_000_003; void moda(T)(ref T x, T y) { x = (x + y) % mod; } void mods(T)(ref T x, T y) { x = ((x + mod) - (y % mod)) % mod; } void modm(T)(ref T x, T y) { x = (x * y) % mod; } void modpow(T)(ref T x, T y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } void modd(T)(ref T x, T y) { x.modm(y.modpow(mod - 2)); } void main() { auto A = RD; auto B = RD; long ans = -1; foreach (i; 1..10^^5) { if (cast(long)(i*0.08) == A && cast(long)(i*0.1) == B) { ans = i; break; } } writeln(ans); stdout.flush; debug readln; }
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import std.stdio, std.string, std.conv; import std.range, std.algorithm, std.array; void main() { auto c = new string[](2); c[0] = readln.chomp; c[1] = readln.chomp; writeln(equal(c[0], c[1].retro) ? "YES" : "NO"); } void scan(T...)(ref T args) { import std.stdio : readln; import std.algorithm : splitter; import std.conv : to; import std.range.primitives; auto line = readln().splitter(); foreach (ref arg; args) { arg = line.front.to!(typeof(arg)); line.popFront(); } assert(line.empty); } void fillAll(R, T)(ref R arr, T value) { static if (is(typeof(arr[] = value))) { arr[] = value; } else { foreach (ref e; arr) { fillAll(e, value); } } }
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void main() { int[] tmp = readln.split.to!(int[]); int a = tmp[0], b = tmp[1]; writeln(a < 9 && b < 9 ? "Yay!" : ":("); } import std.stdio; import std.string; import std.array; import std.conv; import std.algorithm; import std.range; import std.math; import std.numeric; import std.container; import std.typecons; import std.uni;
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import std.algorithm, std.container, std.conv, std.math, std.range, std.typecons, std.stdio, std.string; void readV(T...)(ref T t){auto r=readln.splitter;foreach(ref v;t){v=r.front.to!(typeof(v));r.popFront;}} void main() { int a, b, x; readV(a, b, x); writeln(a <= x && x <= a+b ? "YES" : "NO"); }
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import core.stdc.stdio; import std.container; import std.algorithm; import std.typecons; import std.stdio; void main(){ int n,m,k; scanf("%d%d%d",&n,&m,&k); alias Tuple!(int,"cost",int,"to") ct; ct[][] graph = new ct[][n]; alias Tuple!(int,"a",int,"b",int,"l") edge; edge[] es = new edge[m]; foreach(ref e;es){ scanf("%d%d%d",&e.a,&e.b,&e.l); graph[--e.a]~=ct(e.l,--e.b); graph[e.b]~=ct(e.l,e.a); } auto pq = BinaryHeap!(ct[],"a>b")(new ct[n+m],0); int[] nc = new int[n]; nc[] = 1145141919; foreach(i;0..k){ int a; scanf("%d",&a); nc[--a]=0; pq.insert(ct(0,a)); } while(!pq.empty){ auto t=pq.front; pq.popFront; with(t){ if(cost>nc[to]) continue; foreach(c;graph[to]){ if(nc[c.to]>cost+c.cost){ nc[c.to]=cost+c.cost; pq.insert(ct(cost+c.cost,c.to)); } } } } int ans; foreach(e;es) ans = max(ans,e.l+nc[e.a]+nc[e.b]); printf("%d\n",(ans+1)/2); }
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import std.stdio, std.array, std.string, std.conv, std.algorithm; import std.typecons, std.range, std.random, std.math, std.container; import std.numeric, std.bigint, core.bitop, std.bitmanip; immutable int INF = 1 << 29; void main() { auto N = readln.chomp.to!int; auto A = readln.split.map!(to!long).array; long m = 0; foreach (i; 0..N) { if (A[i] > m) { writeln(i + 1); return; } if (A[i] == m) { m += 1; } } writeln(-1); }
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import core.bitop, std.algorithm, std.ascii, std.bigint, std.conv, std.functional, std.math, std.numeric, std.range, std.stdio, std.string, std.random, std.typecons, std.container; ulong MAX = 1_000_100, MOD = 1_000_000_007, INF = 1_000_000_000_000; alias sread = () => readln.chomp(); alias lread(T = long) = () => readln.chomp.to!(T); alias aryread(T = long) = () => readln.split.to!(T[]); alias Node = Tuple!(long, "p", long, "dist"); alias PQueue(T, alias less = "a<b") = BinaryHeap!(Array!T, less); void main() { auto n = lread(); long lim = 101; // 入力の制限より大きい最小の素数 auto ary = new long[](lim); foreach (a; iota(1, n)) { auto p_factor = prime_factorization(a + 1, lim); ary[] += p_factor[]; } ary[] += 1; // ary.take(n).writeln(); long gt_5, gt_3, gt_15, gt_25, gt_75; foreach (e; ary) { if (e >= 3) gt_3++; if (e >= 5) gt_5++; if (e >= 15) gt_15++; if (e >= 25) gt_25++; if (e >= 75) gt_75++; } long ans; ans += (gt_5 * (gt_5 - 1) / 2) * (gt_3 - 2); ans += (gt_15) * (gt_5 - 1); ans += (gt_25) * (gt_3 - 1); ans += (gt_75); ans.writeln(); } auto prime_factorization(long a, long lim) { auto p_factor = new long[](lim); foreach (i; iota(1, a)) { while (a % (i + 1) == 0) { a /= (i + 1); p_factor[i]++; } if (a == 0) break; } return p_factor; } void scan(TList...)(ref TList Args) { auto line = readln.split(); foreach (i, T; TList) { T val = line[i].to!(T); Args[i] = val; } }
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import std.stdio, std.conv, std.string, std.math, std.regex, std.range, std.ascii, std.algorithm; void main(){ auto ip = readln.chomp; switch(ip){ case "A": writeln("T"); break; case "T": writeln("A"); break; case "C": writeln("G"); break; case "G": writeln("C"); break; default: } }
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import core.bitop; import std.algorithm; import std.ascii; import std.bigint; import std.conv; import std.functional; import std.math; import std.numeric; import std.range; import std.stdio; import std.string; import std.random; import std.typecons; import std.container; alias sread = () => readln.chomp(); long bignum = 1_000_000_007; T lread(T = long)() { return readln.chomp.to!T(); } T[] aryread(T = long)() { return readln.split.to!(T[])(); } void scan(TList...)(ref TList Args) { auto line = readln.split(); foreach (i, T; TList) { T val = line[i].to!(T); Args[i] = val; } } void main() { auto c = new long[](0); foreach (_; 0 .. 3) { auto tmp = aryread(); c ~= tmp; } bool check = true; long b1, b2, b3, a2, a3; b1 = c[0]; b2 = c[1]; b3 = c[2]; if(!((c[3] - b1) == (c[4] - b2) && (c[3] - b1) == (c[5] - b3))) check = false; if(!((c[6] - b1) == (c[7] - b2) && (c[6] - b1) == (c[8] - b3))) check = false; if(check) writeln("Yes"); else writeln("No"); }
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import std.stdio, std.algorithm, std.conv, std.array, std.string, std.math, std.typecons, std.numeric; void main() { auto N = readln.chomp.to!long; writeln(N * (N-1) / 2); }
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import std.stdio, std.conv, std.string; import std.algorithm, std.array, std.container; import std.numeric, std.math; import core.bitop; string my_readln() { return chomp(readln()); } long mod = pow(10, 9) + 7; long moda(long x, long y) { return (x + y) % mod; } long mods(long x, long y) { return ((x + mod) - (y % mod)) % mod; } long modm(long x, long y) { return (x * y) % mod; } void main() { auto N = my_readln.to!long; ulong[32] d; foreach (i; 0..32) { auto x = N % 2; //stderr.writeln(N, " ", x); N /= 2; long sign; if (i % 2 == 0) sign = 1; else sign = -1; if (sign * sgn(x) >= 0) { d[i] += abs(x); } else { ++d[i+1]; ++d[i]; } while (d[i] > 1) { ++d[i+2]; ++d[i+1]; d[i] -= 2; } } string ans; bool hasStart = false; foreach_reverse (e; d) { if (hasStart) { ans ~= e.to!string; } else if (e == 1) { ans ~= e.to!string; hasStart = true; } } if (!hasStart) ans ~= "0"; writeln(ans); stdout.flush(); }
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import std.stdio; import std.algorithm; import std.array; import std.conv; void main(){ string[] input = readln().split(); int a = input[0].to!int(), b = input[1].to!int(); while(b != 0){ a = a % b; swap(a, b); } a.writeln(); }
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import std.stdio, std.array, std.string, std.conv, std.algorithm; import std.typecons, std.range, std.random, std.math, std.container; import std.numeric, std.bigint, core.bitop, core.stdc.string; void solve() { auto s = readln.split.map!(to!long); auto K = s[0]; auto X = s[1]; long ans; if (X == 9) { ans = 9 * K; } else { ans = 9 * (K - 1) + X; } ans.writeln; } void main() { auto T = readln.chomp.to!int; while (T--) solve; }
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import std.stdio; import std.algorithm; import std.array; import std.conv; import std.datetime; import std.numeric; import std.math; import std.string; string my_readln() { return chomp(readln()); } void main() { auto tokens = my_readln().split(); auto H = tokens[0].to!ulong; auto W = tokens[1].to!ulong; string[] a; foreach (i; 0..H) { a ~= my_readln(); } long[1010][1010] memo; foreach (ref e; memo) foreach (ref ee; e) ee = -1; ulong mod = pow(10, 9) + 7; ulong search(long i, long j) { if (i == W || j == H) return 0; if (memo[i][j] != -1) return memo[i][j]; if (a[j][i] == '#') return 0; if (i == W - 1 && j == H - 1) return 1; ulong r; r = (r + search(i+1, j)) % mod; r = (r + search(i, j+1)) % mod; //stderr.writeln(i, " ", j, " ", r); memo[i][j] = r; return r; } ulong ans = search(0, 0); writeln(ans); stdout.flush(); }
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import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } long lcm(long x, long y) { return x * (y / gcd(x, y)); } long mod = 10^^9 + 7; //long mod = 998244353; //long mod = 1_000_003; void moda(ref long x, long y) { x = (x + y) % mod; } void mods(ref long x, long y) { x = ((x + mod) - (y % mod)) % mod; } void modm(ref long x, long y) { x = (x * y) % mod; } void main() { auto X = RD; auto remain = X % 100; auto cnt = X / 100; writeln(cnt*5 >= remain ? 1 : 0); stdout.flush; debug readln; }
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import std.stdio; import std.string; import std.conv; import std.algorithm; import std.container; import std.array; import std.math; import std.range; import std.typecons; import std.ascii; import std.format; void main() { auto a = readln.chomp.split.map!(to!int); auto h = a[0]; auto w = a[1]; char[][] map = new char[][](h + 2, w + 2); foreach (ref arr; map) { arr[] = '.'; } foreach (i; 0..h) { auto s = readln; foreach (j; 0..w) { map[i + 1][j + 1] = s[j]; } } for (int i = 1; i <= h; ++i) { for (int j = 1; j <= w; ++j) { if (map[i][j] == '#') { write = '#'; continue; } int cnt = 0; for (int dx = -1; dx <= 1; ++dx) { for (int dy = -1; dy <= 1; ++dy) { cnt += map[i + dy][j + dx] == '#'; } } cnt.write; } writeln; } }
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import std.stdio, std.string, std.conv, std.math; void main() { int n = readln.chomp.to!int; long debt = 100000; foreach(i;0..n) { debt += debt * 0.05; debt = (((debt / 1000.0).ceil) * 1000).to!long; } debt.writeln; }
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import std.stdio; import std.ascii; import std.conv; import std.string; import std.algorithm; import std.range; import std.functional; import std.math; import core.bitop; import std.numeric; void main() { auto k = readln.chomp.to!long; writeln((k/2) * (k - (k/2))); }
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import core.bitop, std.algorithm, std.ascii, std.bigint, std.conv, std.math, std.functional, std.numeric, std.range, std.stdio, std.string, std.random, std.typecons, std.container, std.format; static import std.ascii; // dfmt off T lread(T = long)(){return readln.chomp.to!T();} T[] lreads(T = long)(long n){return generate(()=>readln.chomp.to!T()).take(n).array();} T[] aryread(T = long)(){return readln.split.to!(T[])();} void scan(TList...)(ref TList Args){auto line = readln.split(); foreach (i, T; TList){T val = line[i].to!(T);Args[i] = val;}} alias sread = () => readln.chomp();enum MOD = 10 ^^ 9 + 7; alias PQueue(T, alias less = "a<b") = BinaryHeap!(Array!T, less); // dfmt on void main() { long N, A, B; scan(N, A, B); if (N == 1) { writeln(A == B ? 1 : 0); return; } if (B < A) { writeln(0); return; } writeln((B * (N - 1) + A) - (A * (N - 1) + B) + 1); }
D
void main() { writeln(readln.chomp.count('9') ? "Yes" : "No"); } import std.stdio; import std.string; import std.array; import std.conv; import std.algorithm; import std.range; import std.math; import std.numeric; import std.container; import std.typecons; import std.ascii; import std.uni;
D
import core.bitop, std.algorithm, std.ascii, std.bigint, std.conv, std.functional, std.math, std.numeric, std.range, std.stdio, std.string, std.random, std.typecons, std.container; ulong MAX = 100_100, MOD = 1_000_000_007, INF = 1_000_000_000_000; alias sread = () => readln.chomp(); alias lread(T = long) = () => readln.chomp.to!(T); alias aryread(T = long) = () => readln.split.to!(T[]); alias Pair = Tuple!(long, "x", long, "y"); alias PQueue(T, alias less = "a>b") = BinaryHeap!(Array!T, less); void main() { auto s = sread(); // s[0 .. ($ - 1) / 2].writeln(); // s[($ + 1) / 2 .. $].writeln(); if (s.isreverse() && s[0 .. ($ - 1) / 2].isreverse() && s[($ + 1) / 2 .. $].isreverse()) writeln("Yes"); else writeln("No"); } bool isreverse(string t) { bool ret = true; foreach (i; iota(t.length / 2)) { ret &= (t[i] == t[$ - 1 - i]); } return ret; } void scan(TList...)(ref TList Args) { auto line = readln.split(); foreach (i, T; TList) { T val = line[i].to!(T); Args[i] = val; } }
D
import std.stdio, std.conv, std.string, std.array, std.range, std.algorithm, std.container; import std.math, std.random, std.bigint, std.datetime, std.format; void main(string[] args){ if(args.length > 1) if(args[1] == "-debug") DEBUG = 1; solve(); } void log()(){ writeln(""); } void log(T, A ...)(T t, lazy A a){ if(DEBUG) write(t, " "), log(a); } bool DEBUG = 0; string read(){ static string[] ss; while(!ss.length) ss = readln.chomp.split; string res = ss[0]; ss.popFront; return res; } // ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- // void solve(){ int n = read.to!int; int[] as; foreach(i; 0 .. n) as ~= read.to!int; int f = 0; int last = -10; foreach(a; as){ if(last < a){ if(f == 1){ "NO".writeln; return; } } if(last > a){ if(f == 0) f = 1; } last = a; } "YES".writeln; return; }
D
import std.stdio, std.array, std.algorithm, std.string, std.conv, std.math; void main() { int n = readln.chomp.to!int; int[int] chie; auto b = map!(x => x.to!int)(readln.chomp.split); int res = 0; foreach (x; b) { ++chie[x]; } foreach (x, cnt; chie) { if (cnt >= x) { res += min(cnt - x, cnt); } else { res += cnt; } } writeln(res); }
D
import std.stdio, std.conv, std.string, std.array, std.range, std.algorithm, std.container; import std.math, std.random, std.bigint, std.datetime, std.format; void main(string[] args){ if(args.length > 1) if(args[1] == "-debug") DEBUG = 1; solve(); } void log()(){ writeln(""); } void log(T, A ...)(T t, lazy A a){ if(DEBUG) write(t, " "), log(a); } bool DEBUG = 0; string read(){ static string[] ss; while(!ss.length) ss = readln.chomp.split; string res = ss[0]; ss.popFront; return res; } // ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- // void solve(){ int n = read.to!int; int k = read.to!int; if(n % 2 == k % 2) ((n + k) / 2).writeln; else "IMPOSSIBLE".writeln; }
D
import core.bitop, std.algorithm, std.ascii, std.bigint, std.conv, std.functional, std.math, std.numeric, std.range, std.stdio, std.string, std.random, std.typecons, std.container; ulong MAX = 100_100, MOD = 1_000_000_007, INF = 1_000_000_000_000; alias sread = () => readln.chomp(); alias lread(T = long) = () => readln.chomp.to!(T); alias aryread(T = long) = () => readln.split.to!(T[]); alias Pair = Tuple!(long, "a", long, "b"); alias PQueue(T, alias less = "a<b") = BinaryHeap!(Array!T, less); void main() { auto s = sread(); s[0 .. $ - "FESTIVAL".length].writeln(); } void scan(TList...)(ref TList Args) { auto line = readln.split(); foreach (i, T; TList) { T val = line[i].to!(T); Args[i] = val; } }
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