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112
description
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13k
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int64
1
7
difficulty
int64
0
25
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stringlengths
7
983k
language
stringclasses
4 values
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int x; cin >> x; printf("%d", 6 * x * (x - 1) + 1); }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n = int(input()) o = n * (n - 1) * 6 + 1 print(o)
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { long long n; cin >> n; long long ans = 1; long long tambah = 3; for (int i = 1; i < n; i++) { ans += (tambah * 6); ans -= 6; tambah += 2; } cout << ans << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int a; cin >> a; int r = 0; for (int i = 1; i < a; i++) { r += i; } cout << 1 + r * 12 << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; void solve() { int a, ans = 1; cin >> a; for (int i = 1; i <= a; ++i) ans += (i - 1) * 12; cout << ans << "\n"; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int t = 1; while (t--) solve(); return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> int main() { int n, count = 1; scanf("%d", &n); if (n >= 2) count += 12; for (int i = 3; i <= n; i++) { count += 12 * (i - 2) + 12; } printf("%d", count); }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.awt.Point; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.Locale; import java.util.StringTokenizer; public class B { private vo...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int a[19000]; int main() { int ans = 1; int n; cin >> n; int cur = 12; for (int i = 1; i < n; i++) { ans += cur; cur += 12; } cout << ans; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.StreamTokenizer; public class B { private StreamTokenizer in; private PrintWriter out; public static void main (String[] args...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> const double eps = 1e-10; using namespace std; int dblcmp(double x) { if (fabs(x) < eps) return 0; return x > 0 ? 1 : -1; } int main() { int i, j, k, n; int a, b; string s; while (cin >> a) { k = 1; for (i = 1; i < a; ++i) k += 12 * i; cout << k << endl; } return 0; ...
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.*; import java.util.*; public class b{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int s = 1; for(int i = 2; i <= n; i++){ s += 12 * (i-1); } System.out.println(s); } } //n** {{1}} //n** {{2}} //n** {{3}}
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
# Author : raj1307 - Raj Singh # Date : 01.02.2020 from __future__ import division, print_function import os,sys from io import BytesIO, IOBase if sys.version_info[0] < 3: from __builtin__ import xrange as range from future_builtins import ascii, filter, hex, map, oct, zip def ii(): return int(input()) ...
PYTHON
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { long long n; cin >> n; cout << 6 * n * (n - 1) + 1 << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
def triangle(n): return n*(n+1)//2 def hexagon(n): return 6*triangle(n) - 6*n + 1 n = int(input()) print(2*triangle(3*n - 2) - hexagon(n))
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; public class Task171B { public static void main(String... args) throws NumberFormatException, IOException { Solution...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; cout << n * 6 * (n - 1) + 1 << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> int main() { long long a, x = 1; scanf("%lld", &a); for (long long int i = 1; i <= a; i++) x += 9 * (i - 1) + 3 * (i - 1); printf("%lld\n", x); }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> int main() { int i, n, sum = 13; scanf("%d", &n); if (n == 1) { printf("%d", 1); return 0; } if (n == 2) { printf("%d", 13); return 0; } for (i = 3; i <= n; i++) { sum = sum + (2 * i - 2) * 6; } printf("%d", sum); return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.Scanner; public class b171 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); System.out.println(6 * n * (n - 1) + 1); } }
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n = int(input()) print(1+6*n*(n-1)) # Made By Mostafa_Khaled
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#In the name of Allah from sys import stdin, stdout input = stdin.readline a = int(input()) ans = 1 for i in range(1, a): ans += 6 * (2 * i) stdout.write(str(ans))
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.*; import java.io.*; import static java.lang.Math.*; public class FirstApril2012 { void solve () throws IOException { int a = in.nextInt(); int f[] = new int[a + 10]; f[1] = 1; f[2] = 1 + 6 + 6; int p = 3; for (int i = 3; i <= a; i++){ ...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n = int(input()) print(6 * n * (n - 1) + 1)
PYTHON
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
def init(): a = int(raw_input()) return int(a) def solve(n): a = (3 * n - 2) * (3 * n - 1) / 2 b = 3 * n * (n - 1) + 1 return 2 * a - b if __name__ == "__main__": a = init() print solve(a)
PYTHON
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n = int(input()) print( 1+sum([12*(i-1) for i in range(2,n+1)]))
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { long long int n; cin >> n; cout << 1 + 12 * n * (n - 1) / 2 << endl; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int n; int main() { cin >> n; int a = 1 + 12 * (n * (n - 1) / 2); cout << a; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.*; public class Problem0171b { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); System.out.println(triangular(n-1)*4 + (n*2-1)*(n*2-1)); } public static int triangular(int n) { if(n == -1) { retur...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> template <typename T> T inline SQR(const T &a) { return a * a; } template <typename T> T inline ABS(const T &a) { return a < 0 ? -a : a; } const double EPS = 1e-9; inline int SGN(double a) { return ((a > EPS) ? (1) : ((a < -EPS) ? (-1) : (0))); } inline int CMP(double a, double b) { retur...
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int depth, solution = 1; cin >> depth; for (int size = 12; depth > 1; --depth, size += 12) solution += size; cout << solution << "\n"; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.BufferedReader; import java.io.InputStreamReader; public class Star { public static void main(String[] args) throws Exception { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); long n = Long.parseLong(bf.readLine()); System.out.println(6 * n * (n - 1) + 1); } }
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { long long a; cin >> a; if (a == 1LL) { cout << 1; return 0; } --a; long long res = (3LL * a + 2LL) * (3LL * a + 1LL) / 2LL; res += 3LL * a * (a + 1LL) / 2LL; cout << res << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> int n; int main() { scanf("%d", &n); printf("%d", 1 + 6 * n * ~-n); }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.*; import java.util.*; public class Solution { public static StringTokenizer tok = null; public static BufferedReader cin; public static String nextToken() throws Exception { if (tok == null || !tok.hasMoreTokens()) { tok = new StringTokenizer(cin.readLine()); } return tok.nextToken(); } ...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { long long a; cin >> a; cout << (1 + 12 * a * (a - 1) / 2) << endl; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import sys a = input() s = 1 if a == 1: print s; sys.exit(0) for i in range(2,a+1): s += 6*(i-1)*2 print s
PYTHON
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import static java.lang.Double.parseDouble; import static java.lang.Integer.parseInt; import static java.lang.Long.parseLong; import static java.lang.System.exit; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintWriter; ...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.InputStream; import java.io.PrintStream; import java.util.Scanner; public class Star { public static void main(String[] args) { InputStream in = System.in; PrintStream out = System.out; Scanner input = new Scanner(in); int a = input.nextInt(); if...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n = input() result = 6*n*n - 6*n + 1 print result
PYTHON
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; const int inf = 0x3f3f3f3f; const long long INF = 0x3f3f3f3f3f3f3f3f; long long qpow(long long a, long long b) { long long s = 1; while (b > 0) { if (b % 2 == 1) { s = s * a; } a = a * a; b = b >> 1; } return s...
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; if (n == 1) cout << 1; else { long long res = 13, s = 12; for (int i = 3; i <= n; ++i) { s += 12; res += s; } cout << res; } return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; cout << 6 * n * (n - 1) + 1; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { long long n, m = 0; cin >> n; for (int i = 1; i < n; i++) { m += i; } if (n == 1) { cout << 1; return 0; } long long y = (2 * n + (n - 2)) * (2 * n + (n - 1)); y = y / 2; cout << y + 3 * m; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { long long int n; cin >> n; long long int ans = 0; for (long long int i = 0; i < n; i++) { ans += 12 * i; } cout << ans + 1; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int a, res, i, side, cnt; int main() { cin >> a; cnt = 0; if (a == 1) res = 1; else { res = 1; side = 1; for (i = 1; i < a; i++) { side += 3; res += side * 3; if (i > 1) res += cnt * 3; cnt++; } } cout << res << endl; ...
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n = int(input()) print(n * (n - 1) * 6 + 1)
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.*; public class Star { public static void main(String[] args){ Scanner reader = new Scanner(System.in); int n = reader.nextInt(); long[] memo = new long[n+1]; memo[1] = 1; for(int i = 2; i <= n; i++) memo[i] = memo[i-1] + 12l*(i-1); System.out.println(memo[n]); } }
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.*; public class B { public static void main(String[] args) { long r = 1; for (long n = new Scanner(System.in).nextLong(); n-- > 1;) { r += 12 * n; } System.out.println(r); } }
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; const long double PI = acos(-1); int main() { ios::sync_with_stdio(false); cin.tie(0); long long n; cin >> n; cout << 6 * n * (n - 1) + 1 << '\n'; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.*; public class a { public static void main(String args[]){ Scanner scan = new Scanner(System.in); int n; n=scan.nextInt(); System.out.println(6*n*(n-1)+1); } }
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.math.BigInteger; import java.util.ArrayList; import java.util.InputMismatchException; import java.util.List; public class Main ...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.*; import java.util.*; import java.math.*; public class Codeforces implements Runnable { BufferedReader in; PrintWriter out; StringTokenizer st; Random rnd; void solve() throws IOException { int n = nextInt(); int res = 6 * n * (n - 1) + 1; out.println(res); } public static void main(Stri...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
''' Created on Apr 22, 2013 @author: ola ''' def ps(x): total = 1 while x > 1: total += (2*x - 1)*6 - 6 x = x - 1 return total def solve(): line = raw_input() data = line.split() x = int(data[0]) if x == 1: print 1 else: print ps(x) if __name__ == '__m...
PYTHON
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.InputStream; import java.io.InputStreamReader; import java.io.BufferedReader; import java.io.OutputStream; import java.io.PrintWriter; import java.io.IOException; import java.util.StringTokenizer; /** * Built using CHelper plug-in * Actual solution is at the top */ public class Main { public static ...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class T171B { public void solve(int n) { long[] ans = new long[18258]; ans[1] = 1; ans[2] = 12; for (int i = ...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int a[18257 + 5] = {0, 1, 13, 37, 73}, n; int main() { cin >> n; for (int i = 5; i <= n; i++) { a[i] = a[i - 1] + (a[i - 1] - a[i - 2] + 12); } cout << a[n]; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main(int argc, char *argv[]) { int n; cin >> n; cout << 6 * (n * (n - 1)) + 1 << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
//2021 B import java.util.*; import java.io.*; public class Solution { public static void main(String args[]) { Scanner input = new Scanner(System.in); int caseNum = 1; for (int ks = 1; ks <= caseNum; ks++) { System.out.println(new Solution().solve(input)); } } ...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.*; public class b { /** * @param args */ static Scanner in=new Scanner(System.in); public static void main(String[] args) { // TODO Auto-generated method stub int n=in.nextInt(); int ans=1; for(int i=1;i<n;i++){ ans+=6*(2*i); } System.out.println(ans); } }
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { long long a; cin >> a; cout << 6 * a * (a - 1) + 1 << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> int main() { int n, t(0), r(1); std::cin >> n; for (int i(0); i < n; ++i) { r += t; t += 12; } std::cout << r << std::endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:260108864") using namespace std; int main() { int n; scanf("%d", &n); int res(1); int temp(1); while (--n) { res += temp * 12; ++temp; } printf("%d\n", res); return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.*; import java.util.*; public class B { public void solve() throws IOException { int n = nextInt(); int ans = 1; for (int i = 2; i <= n; i++) { ans += (2 * i - 2) * 6; } writer.println(ans); } public static void main(String[] args) throws...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> int main() { int x; scanf("%d", &x); printf("%d\n", 6 * x * (x - 1) + 1); return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); do { long n = input.nextLong(); long resultado = (((3*n-1)*(3*n-2)+(n)*(n-1)*3)/2); System.out.println(resultado); }while(input...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n = int(input()) S = 1 + 12 * n * (n - 1) / 2 print(int(S))
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; cout << (n * (n - 1) * 6 + 1); return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n=int(input()) print(1+6*(n*(n-1)))
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int n; int main() { cin >> n; cout << 6 * (n * (n - 1)) + 1 << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import sys import copy from collections import Counter sys.setrecursionlimit(11111) import re import itertools n = int(sys.stdin.readline().strip()) print 6 * n * (n-1) + 1
PYTHON
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; const double EPS = 1e-9; const double INC_EPS = 1e-7; const int N = 1e5 + 5; int main() { int n; long long ans = 0, k = 2; cin >> n; for (int i = 2; i <= n; i++) { ans += k * 6; k += 2; } cout << ans + 1; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; cout << (2 * n - 1) * (2 * n - 1) + 4 * (n - 1) * n / 2; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> long long factorial(long long n) { if (n == 1) return 1; return n * factorial(n - 1); } long long max(long long a, long long b) { return (a > b ? a : b); } long long min(long long a, long long b) { return (a < b ? a : b); } using namespace std; void impossible() { long long n; cin >> n;...
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.*; public class sad { public static void main(String[] args) { Scanner inp=new Scanner(System.in); int i=1,n,cnt=0,x=1; n=inp.nextInt(); for(i=1;i<n;i++) { cnt=cnt+12*i; } System.out.println(cnt+1); // <3 #...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; long long n, ans = 1; int main() { cin >> n; for (int i = 2; i <= n; i++) { ans += ((i - 1) * 12); } cout << ans; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.io.*; import java.util.*; public class Tasks { public static void main(String[] args) throws IOException { new Tasks().runMain(); } void runMain() { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); if (n == 1) System.out.print(1); else if(n ...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.Scanner; public class AprilB { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int x = 1; for (int i = 1; i < n; i++) { x= x+12*i; } System.out.println(x); } }
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n=int(input()) a=3*n-2 b=n-1 print(int((a*(a+1))/2 + ((b*(b+1))/2)*3))
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
n = int(input()) print(int((2*n-1)*(2*n-1)+4*(n-1)*(n)/2))
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { long long int n, i, t(1); cin >> n; for (int i = 0; i < (int)n; i++) t += (12 * i); cout << t; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> #pragma comment(linker, "/stack:64000000") using namespace std; int main() { long long out = 0, a, b; cin >> a; if (a == 1) out = 1; else { out = 1; b = 12; for (int i = 1; i < a; i++) { out += b; b += 12; } } cout << out; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
## DATA SOURCE (1 for file, 0 for std input) opt = 0 src = opt and open("input", "r") or None def gvals(source, format = int, separator = ' '): if source: a = map(format, source.readline().split(separator)) else: a = map(format, raw_input().split(separator)) return a def gval(source, format = int): if source:...
PYTHON
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; long long star[18528]; int main() { long long i; long long k = 1, z = 4; long long a; star[1] = 1; for (i = 2; i <= 18527; i++) { star[i] = (z * (z + 1)) / 2 + 3 * k; k = k + i; z = z + 3; } cin >> a; cout << star[a] << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; long long MOD = 1000000007; long long pw(long long a, long long b) { long long r = 1; while (b > 0) { if (b & 1) { r = (r * a) % MOD; } b = b >> 1; a = (a * a) % MOD; } return (r) % MOD; } int f[18259]; int main() { f[0] = 0; f[1] = 1; fo...
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; cout << n * (n - 1) * 6 + 1; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
a = int(input()) k = 1 p = 12 for i in range(a - 1): k += p p += 12 print(k)
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
r=1 for i in range(int(input()),1,-1): r+=6*((i-1)*2) print(r)
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
print(sum((i - 1) * 12 for i in range(1, int(input()) + 1)) + 1)
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int a; cin >> a; cout << 6 * a * (a - 1) + 1 << endl; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; long long t; int main() { scanf("%d", &t); printf("%d", 6 * t * (t - 1) + 1); return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.Scanner; public class alalal2 { public static void main(String[] args) { Scanner input = new Scanner(System.in); int sayi = input.nextInt(); int x=sayi; int b=0; int result=0; if(sayi>1){ for(int a=1;a<x;a++){ result=(sayi-1)*12; sayi--; b=b+result; } } else{...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; template <typename T, typename U> std::pair<T, U> operator+(const std::pair<T, U>& l, const std::pair<T, U>& r) { return {l.first + r.first, l.second + r.second}; } typedef void (*callback_function)(void); const long long ZERO = 0LL; const long long INF64 = 1e18; const lo...
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> long long estella(int n); using namespace std; long long b, a; int main() { cin >> a; cout << estella(a); return 0; } long long estella(int n) { if (n == 1) { b = 1; } else { b = 2 * (n - 1) * (n - 1) + 2 * n * n + 2 * n * n - 2 * n - 1; } return b; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#star noumber problem # 1 13.... n=int(input()) k=6*n;k1=n-1;ans=k*k1 print(ans+1)
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
IOI=int(input()) print(IOI*(IOI-1)*6+1)
PYTHON3
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; long long n; int sum = 1; int main() { cin >> n; for (int i = 1; i < n; i++) sum += i * 12; cout << sum; return 0; }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
// practice with kaiboy import java.io.*; import java.util.*; public class CF171B extends PrintWriter { CF171B() { super(System.out, true); } Scanner sc = new Scanner(System.in); public static void main(String[] $) { CF171B o = new CF171B(); o.main(); o.flush(); } int triangle(int n) { return n * (n + 1) / 2...
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int n; scanf("%d", &n); printf("%d", 6 * n * (n - 1) + 1); }
CPP
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
import java.util.Scanner; public class Main { static long sol; static int a; public static void main(String[] args) { Scanner l = new Scanner(System.in); a=l.nextInt(); sol=6*a*(a-1)+1; System.out.println(sol); } }
JAVA
171_B. Star
<image> Input The input contains a single integer a (1 ≤ a ≤ 18257). Output Print a single integer output (1 ≤ output ≤ 2·109). Examples Input 2 Output 13
2
8
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; cout << 6 * n * (n - 1) + 1; }
CPP