task_url stringlengths 30 116 | task_name stringlengths 2 86 | task_description stringlengths 0 14.4k | language_url stringlengths 2 53 | language_name stringlengths 1 52 | code stringlengths 0 61.9k |
|---|---|---|---|---|---|
http://rosettacode.org/wiki/15_puzzle_solver | 15 puzzle solver | Your task is to write a program that finds a solution in the fewest moves possible single moves to a random Fifteen Puzzle Game.
For this task you will be using the following puzzle:
15 14 1 6
9 11 4 12
0 10 7 3
13 8 5 2
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 0
The output must show the moves' dir... | #C.2B.2B | C++ |
// Solve Random 15 Puzzles : Nigel Galloway - October 18th., 2017
class fifteenSolver{
const int Nr[16]{3,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3}, Nc[16]{3,0,1,2,3,0,1,2,3,0,1,2,3,0,1,2};
int n{},_n{}, N0[100]{},N3[100]{},N4[100]{};
unsigned long N2[100]{};
const bool fY(){
if (N4[n]<_n) return fN();
if (N2[n]... |
http://rosettacode.org/wiki/99_bottles_of_beer | 99 bottles of beer | Task
Display the complete lyrics for the song: 99 Bottles of Beer on the Wall.
The beer song
The lyrics follow this form:
99 bottles of beer on the wall
99 bottles of beer
Take one down, pass it around
98 bottles of beer on the wall
98 bottles of beer on the wall
98 bottles of beer
Take one dow... | #ALGOL-M | ALGOL-M |
BEGIN
COMMENT PRINT LYRICS TO "99 BOTTLES OF BEER ON THE WALL";
STRING FUNCTION BOTTLE(N); % GIVE CORRECT GRAMMATICAL FORM %
INTEGER N;
BEGIN
IF N = 1 THEN
BOTTLE := " BOTTLE"
ELSE
BOTTLE := " BOTTLES";
END;
INTEGER N;
N := 99;
WHILE N > 0 DO
BEGIN
WRITE(N, BOTTLE(N), " OF BEER ON T... |
http://rosettacode.org/wiki/24_game | 24 game | The 24 Game tests one's mental arithmetic.
Task
Write a program that randomly chooses and displays four digits, each from 1 ──► 9 (inclusive) with repetitions allowed.
The program should prompt for the player to enter an arithmetic expression using just those, and all of those four digits, used exactly once each. T... | #Common_Lisp | Common Lisp | (define-condition choose-digits () ())
(define-condition bad-equation (error) ())
(defun 24-game ()
(let (chosen-digits)
(labels ((prompt ()
(format t "Chosen digits: ~{~D~^, ~}~%~
Enter expression (or `bye' to quit, `!' to choose new digits): "
ch... |
http://rosettacode.org/wiki/9_billion_names_of_God_the_integer | 9 billion names of God the integer | This task is a variation of the short story by Arthur C. Clarke.
(Solvers should be aware of the consequences of completing this task.)
In detail, to specify what is meant by a “name”:
The integer 1 has 1 name “1”.
The integer 2 has 2 names “1+1”, and “2”.
The integer 3 has 3 names “1+1+1”, “2+1”, ... | #VBA | VBA | Public Sub nine_billion_names()
Dim p(25, 25) As Long
p(1, 1) = 1
For i = 2 To 25
For j = 1 To i
p(i, j) = p(i - 1, j - 1) + p(i - j, j)
Next j
Next i
For i = 1 To 25
Debug.Print String$(50 - 2 * i, " ");
For j = 1 To i
Debug.Print String$(4 - ... |
http://rosettacode.org/wiki/9_billion_names_of_God_the_integer | 9 billion names of God the integer | This task is a variation of the short story by Arthur C. Clarke.
(Solvers should be aware of the consequences of completing this task.)
In detail, to specify what is meant by a “name”:
The integer 1 has 1 name “1”.
The integer 2 has 2 names “1+1”, and “2”.
The integer 3 has 3 names “1+1+1”, “2+1”, ... | #Vlang | Vlang | import math.big
fn int_min(a int, b int) int {
if a < b {
return a
} else {
return b
}
}
fn cumu (mut cache [][]big.Integer, n int) []big.Integer {
for y := cache.len; y <= n; y++ {
mut row := [big.zero_int]
for x := 1; x <= y; x++ {
cache_value := cache[y... |
http://rosettacode.org/wiki/A%2BB | A+B | A+B ─── a classic problem in programming contests, it's given so contestants can gain familiarity with the online judging system being used.
Task
Given two integers, A and B.
Their sum needs to be calculated.
Input data
Two integers are written in the input stream, separated by space(s):
(
−
1000
≤... | #C.23 | C# | using System;
using System.Linq;
class Program
{
static void Main()
{
Console.WriteLine(Console.ReadLine().Split().Select(int.Parse).Sum());
}
} |
http://rosettacode.org/wiki/Ackermann_function | Ackermann function | The Ackermann function is a classic example of a recursive function, notable especially because it is not a primitive recursive function. It grows very quickly in value, as does the size of its call tree.
The Ackermann function is usually defined as follows:
A
(
m
,
n
)
=
{
n
+
1
if
m
=
0
A
(
m
... | #TorqueScript | TorqueScript | function ackermann(%m,%n)
{
if(%m==0)
return %n+1;
if(%m>0&&%n==0)
return ackermann(%m-1,1);
if(%m>0&&%n>0)
return ackermann(%m-1,ackermann(%m,%n-1));
} |
http://rosettacode.org/wiki/ABC_problem | ABC problem | ABC problem
You are encouraged to solve this task according to the task description, using any language you may know.
You are given a collection of ABC blocks (maybe like the ones you had when you were a kid).
There are twenty blocks with two letters on each block.
A complete alphabet is guaranteed amongst all sid... | #F.23 | F# | let rec spell_word_with blocks w =
let rec look_for_right_candidate candidates noCandidates c rest =
match candidates with
| [] -> false
| c0::cc ->
if spell_word_with (cc@noCandidates) rest then true
else look_for_right_candidate cc (c0::noCandidates) c rest
m... |
http://rosettacode.org/wiki/100_prisoners | 100 prisoners |
The Problem
100 prisoners are individually numbered 1 to 100
A room having a cupboard of 100 opaque drawers numbered 1 to 100, that cannot be seen from outside.
Cards numbered 1 to 100 are placed randomly, one to a drawer, and the drawers all closed; at the start.
Prisoners start outside the room
They can decid... | #Common_Lisp | Common Lisp |
(defparameter *samples* 10000)
(defparameter *prisoners* 100)
(defparameter *max-guesses* 50)
(defun range (n)
"Returns a list from 0 to N."
(loop
for i below n
collect i))
(defun nshuffle (list)
"Returns a shuffled LIST."
(loop
for i from (length list) downto 2
do (rotatef (nth (rando... |
http://rosettacode.org/wiki/Abundant_odd_numbers | Abundant odd numbers | An Abundant number is a number n for which the sum of divisors σ(n) > 2n,
or, equivalently, the sum of proper divisors (or aliquot sum) s(n) > n.
E.G.
12 is abundant, it has the proper divisors 1,2,3,4 & 6 which sum to 16 ( > 12 or n);
or alternately, has the sigma sum of ... | #Smalltalk | Smalltalk | divisors :=
[:nr |
|divs|
divs := Set with:1.
"no need to check even factors; we are only looking for odd nrs"
3 to:(nr integerSqrt) by:2 do:[:d | nr % d = 0 ifTrue:[divs add:d; add:(nr / d)]].
divs.
].
isAbundant := [:nr | (divisors value:nr) sum > nr].
"from set ... |
http://rosettacode.org/wiki/21_game | 21 game | 21 game
You are encouraged to solve this task according to the task description, using any language you may know.
21 is a two player game, the game is played by choosing
a number (1, 2, or 3) to be added to the running total.
The game is won by the player whose chosen number causes the running total
to reach exactly ... | #PHP | PHP | <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="keywords" content="Game 21">
<meta name="description" content="
21 is a two player game, the game is played by choosing a number
(1, 2, or 3) to be added to the running total. The game is won by
the player whos... |
http://rosettacode.org/wiki/24_game/Solve | 24 game/Solve | task
Write a program that takes four digits, either from user input or by random generation, and computes arithmetic expressions following the rules of the 24 game.
Show examples of solutions generated by the program.
Related task
Arithmetic Evaluator
| #Factor | Factor | USING: continuations grouping io kernel math math.combinatorics
prettyprint quotations random sequences sequences.deep ;
IN: rosetta-code.24-game
: 4digits ( -- seq ) 4 9 random-integers [ 1 + ] map ;
: expressions ( digits -- exprs )
all-permutations [ [ + - * / ] 3 selections
[ append ] with map ] map fla... |
http://rosettacode.org/wiki/15_puzzle_game | 15 puzzle game |
Task
Implement the Fifteen Puzzle Game.
The 15-puzzle is also known as:
Fifteen Puzzle
Gem Puzzle
Boss Puzzle
Game of Fifteen
Mystic Square
14-15 Puzzle
and some others.
Related Tasks
15 Puzzle Solver
16 Puzzle Game
| #11l | 11l | T Puzzle
position = 0
[Int = String] items
F main_frame()
V& d = .items
print(‘+-----+-----+-----+-----+’)
print(‘|#.|#.|#.|#.|’.format(d[1], d[2], d[3], d[4]))
print(‘+-----+-----+-----+-----+’)
print(‘|#.|#.|#.|#.|’.format(d[5], d[6], d[7], d[8]))
print(‘+-----+-----+---... |
http://rosettacode.org/wiki/2048 | 2048 | Task
Implement a 2D sliding block puzzle game where blocks with numbers are combined to add their values.
Rules of the game
The rules are that on each turn the player must choose a direction (up, down, left or right).
All tiles move as far as possible in that direction, some move more than others.
Two ... | #ARM_Assembly | ARM Assembly |
/* ARM assembly Raspberry PI */
/* program 2048.s */
/* REMARK 1 : this program use routines in a include file
see task Include a file language arm assembly
for the routine affichageMess conversion10
see at end of this program the instruction include */
/* for constantes see task include a file in ... |
http://rosettacode.org/wiki/4-rings_or_4-squares_puzzle | 4-rings or 4-squares puzzle | 4-rings or 4-squares puzzle
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Replace a, b, c, d, e, f, and
g with the decimal
digits LOW ───► HIGH
such that the sum of the letters inside of each of the four large squares add up to
t... | #Prolog | Prolog |
:- use_module(library(clpfd)).
% main predicate
my_sum(Min, Max, Top, LL):-
L = [A,B,C,D,E,F,G],
L ins Min..Max,
( Top == 0
-> all_distinct(L)
; true),
R #= A+B,
R #= B+C+D,
R #= D+E+F,
R #= F+G,
setof(L, labeling([ff], L), LL).
my_sum_1(Min, Max) :-
my_sum(Min,... |
http://rosettacode.org/wiki/15_puzzle_solver | 15 puzzle solver | Your task is to write a program that finds a solution in the fewest moves possible single moves to a random Fifteen Puzzle Game.
For this task you will be using the following puzzle:
15 14 1 6
9 11 4 12
0 10 7 3
13 8 5 2
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 0
The output must show the moves' dir... | #Common_Lisp | Common Lisp | ;;; Using a priority queue for the A* search
(eval-when (:load-toplevel :compile-toplevel :execute)
(ql:quickload "pileup"))
;; * The package definition
(defpackage :15-solver
(:use :common-lisp :pileup)
(:export "15-puzzle-solver" "*initial-state*" "*goal-state*"))
(in-package :15-solver)
;; * Data types
(de... |
http://rosettacode.org/wiki/99_bottles_of_beer | 99 bottles of beer | Task
Display the complete lyrics for the song: 99 Bottles of Beer on the Wall.
The beer song
The lyrics follow this form:
99 bottles of beer on the wall
99 bottles of beer
Take one down, pass it around
98 bottles of beer on the wall
98 bottles of beer on the wall
98 bottles of beer
Take one dow... | #AmigaE | AmigaE | PROC main()
DEF t: PTR TO CHAR,
s: PTR TO CHAR,
u: PTR TO CHAR, i, x
t := 'Take one down, pass it around\n'
s := '\d bottle\s of beer\s\n'
u := ' on the wall'
FOR i := 99 TO 0 STEP -1
ForAll({x}, [u, NIL], `WriteF(s, i, IF i <> 1 THEN 's' ELSE NIL,
x))
IF i > 0 T... |
http://rosettacode.org/wiki/24_game | 24 game | The 24 Game tests one's mental arithmetic.
Task
Write a program that randomly chooses and displays four digits, each from 1 ──► 9 (inclusive) with repetitions allowed.
The program should prompt for the player to enter an arithmetic expression using just those, and all of those four digits, used exactly once each. T... | #D | D | import std.stdio, std.random, std.math, std.algorithm, std.range,
std.typetuple;
void main() {
void op(char c)() {
if (stack.length < 2)
throw new Exception("Wrong expression.");
stack[$ - 2] = mixin("stack[$ - 2]" ~ c ~ "stack[$ - 1]");
stack.popBack();
}
cons... |
http://rosettacode.org/wiki/9_billion_names_of_God_the_integer | 9 billion names of God the integer | This task is a variation of the short story by Arthur C. Clarke.
(Solvers should be aware of the consequences of completing this task.)
In detail, to specify what is meant by a “name”:
The integer 1 has 1 name “1”.
The integer 2 has 2 names “1+1”, and “2”.
The integer 3 has 3 names “1+1+1”, “2+1”, ... | #Wren | Wren | import "/big" for BigInt
import "/fmt" for Fmt
var cache = [[BigInt.one]]
var cumu = Fn.new { |n|
if (cache.count <= n) {
(cache.count..n).each { |l|
var r = [BigInt.zero]
(1..l).each { |x|
var min = l - x
if (x < min) min = x
r.add(r... |
http://rosettacode.org/wiki/A%2BB | A+B | A+B ─── a classic problem in programming contests, it's given so contestants can gain familiarity with the online judging system being used.
Task
Given two integers, A and B.
Their sum needs to be calculated.
Input data
Two integers are written in the input stream, separated by space(s):
(
−
1000
≤... | #C.2B.2B | C++ | // Standard input-output streams
#include <iostream>
using namespace std;
int main()
{
int a, b;
cin >> a >> b;
cout << a + b << endl;
} |
http://rosettacode.org/wiki/Ackermann_function | Ackermann function | The Ackermann function is a classic example of a recursive function, notable especially because it is not a primitive recursive function. It grows very quickly in value, as does the size of its call tree.
The Ackermann function is usually defined as follows:
A
(
m
,
n
)
=
{
n
+
1
if
m
=
0
A
(
m
... | #TSE_SAL | TSE SAL | // library: math: get: ackermann: recursive <description></description> <version>1.0.0.0.5</version> <version control></version control> (filenamemacro=getmaare.s) [kn, ri, tu, 27-12-2011 14:46:59]
INTEGER PROC FNMathGetAckermannRecursiveI( INTEGER mI, INTEGER nI )
IF ( mI == 0 )
RETURN( nI + 1 )
ENDIF
IF ( nI == ... |
http://rosettacode.org/wiki/ABC_problem | ABC problem | ABC problem
You are encouraged to solve this task according to the task description, using any language you may know.
You are given a collection of ABC blocks (maybe like the ones you had when you were a kid).
There are twenty blocks with two letters on each block.
A complete alphabet is guaranteed amongst all sid... | #Factor | Factor | USING: assocs combinators.short-circuit formatting grouping io
kernel math math.statistics qw sequences sets unicode ;
IN: rosetta-code.abc-problem
! === CONSTANTS ================================================
CONSTANT: blocks qw{
BO XK DQ CP NA GT RE TG QD FS JW HU VI AN OB ER FS LY PC ZM
}
CONSTANT: inpu... |
http://rosettacode.org/wiki/100_prisoners | 100 prisoners |
The Problem
100 prisoners are individually numbered 1 to 100
A room having a cupboard of 100 opaque drawers numbered 1 to 100, that cannot be seen from outside.
Cards numbered 1 to 100 are placed randomly, one to a drawer, and the drawers all closed; at the start.
Prisoners start outside the room
They can decid... | #Cowgol | Cowgol | include "cowgol.coh";
include "argv.coh";
# Parameters
const Drawers := 100; # Amount of drawers (and prisoners)
const Attempts := 50; # Amount of attempts a prisoner may make
const Simulations := 2000; # Amount of simulations to run
typedef NSim is int(0, Simulations);
# Random number generator
reco... |
http://rosettacode.org/wiki/Abundant_odd_numbers | Abundant odd numbers | An Abundant number is a number n for which the sum of divisors σ(n) > 2n,
or, equivalently, the sum of proper divisors (or aliquot sum) s(n) > n.
E.G.
12 is abundant, it has the proper divisors 1,2,3,4 & 6 which sum to 16 ( > 12 or n);
or alternately, has the sigma sum of ... | #Swift | Swift | extension BinaryInteger {
@inlinable
public func factors(sorted: Bool = true) -> [Self] {
let maxN = Self(Double(self).squareRoot())
var res = Set<Self>()
for factor in stride(from: 1, through: maxN, by: 1) where self % factor == 0 {
res.insert(factor)
res.insert(self / factor)
}
... |
http://rosettacode.org/wiki/21_game | 21 game | 21 game
You are encouraged to solve this task according to the task description, using any language you may know.
21 is a two player game, the game is played by choosing
a number (1, 2, or 3) to be added to the running total.
The game is won by the player whose chosen number causes the running total
to reach exactly ... | #Picat | Picat | import util.
main =>
N = 0,
Level = prompt("Level of play (1=dumb, 3=smart)"),
Algo = choosewisely,
if Level == "1" then
Algo := choosefoolishly
elseif Level == "2" then
Algo := choosesemiwisely
elseif Level != "3" then
println("Bad choice syntax--default to smart choic... |
http://rosettacode.org/wiki/24_game/Solve | 24 game/Solve | task
Write a program that takes four digits, either from user input or by random generation, and computes arithmetic expressions following the rules of the 24 game.
Show examples of solutions generated by the program.
Related task
Arithmetic Evaluator
| #Fortran | Fortran | program solve_24
use helpers
implicit none
real :: vector(4), reals(4), p, q, r, s
integer :: numbers(4), n, i, j, k, a, b, c, d
character, parameter :: ops(4) = (/ '+', '-', '*', '/' /)
logical :: last
real,parameter :: eps = epsilon(1.0)
do n=1,12
... |
http://rosettacode.org/wiki/15_puzzle_game | 15 puzzle game |
Task
Implement the Fifteen Puzzle Game.
The 15-puzzle is also known as:
Fifteen Puzzle
Gem Puzzle
Boss Puzzle
Game of Fifteen
Mystic Square
14-15 Puzzle
and some others.
Related Tasks
15 Puzzle Solver
16 Puzzle Game
| #68000_Assembly | 68000 Assembly | ;15 PUZZLE GAME
;Ram Variables
Cursor_X equ $00FF0000 ;Ram for Cursor Xpos
Cursor_Y equ $00FF0000+1 ;Ram for Cursor Ypos
joypad1 equ $00FF0002
GameRam equ $00FF1000 ;Ram for where the pieces are
GameRam_End equ $00FF100F ;the last valid slot in the array
;Video Ports
VDP_data EQU $C00000 ; VDP data, R/W word or lon... |
http://rosettacode.org/wiki/2048 | 2048 | Task
Implement a 2D sliding block puzzle game where blocks with numbers are combined to add their values.
Rules of the game
The rules are that on each turn the player must choose a direction (up, down, left or right).
All tiles move as far as possible in that direction, some move more than others.
Two ... | #AutoHotkey | AutoHotkey | Grid := [], s := 16, w := h := S * 4.5
Gui, font, s%s%
Gui, add, text, y1
loop, 4
{
row := A_Index
loop, 4
{
col := A_Index
if col = 1
Gui, add, button, v%row%_%col% xs y+1 w%w% h%h% -TabStop, % Grid[row,col] := 0
else
Gui, add, button, v%row%_%col% x+1 yp w%w% h%h% -TabStop, % Grid[row,col] := 0
}
}... |
http://rosettacode.org/wiki/4-rings_or_4-squares_puzzle | 4-rings or 4-squares puzzle | 4-rings or 4-squares puzzle
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Replace a, b, c, d, e, f, and
g with the decimal
digits LOW ───► HIGH
such that the sum of the letters inside of each of the four large squares add up to
t... | #Python | Python | import itertools
def all_equal(a,b,c,d,e,f,g):
return a+b == b+c+d == d+e+f == f+g
def foursquares(lo,hi,unique,show):
solutions = 0
if unique:
uorn = "unique"
citer = itertools.combinations(range(lo,hi+1),7)
else:
uorn = "non-unique"
citer = itertools.combinations_w... |
http://rosettacode.org/wiki/15_puzzle_solver | 15 puzzle solver | Your task is to write a program that finds a solution in the fewest moves possible single moves to a random Fifteen Puzzle Game.
For this task you will be using the following puzzle:
15 14 1 6
9 11 4 12
0 10 7 3
13 8 5 2
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 0
The output must show the moves' dir... | #F.23 | F# |
// A Naive 15 puzzle solver using no memory. Nigel Galloway: October 6th., 2017
let Nr,Nc = [|3;0;0;0;0;1;1;1;1;2;2;2;2;3;3;3|],[|3;0;1;2;3;0;1;2;3;0;1;2;3;0;1;2|]
type G= |N |I |G |E |L
type N={i:uint64;g:G list;e:int;l:int}
let fN n=let g=(11-n.e)*4 in let a=n.i&&&(15UL<<<g)
{i=n.i-a+(a<<<16);g=N:... |
http://rosettacode.org/wiki/99_bottles_of_beer | 99 bottles of beer | Task
Display the complete lyrics for the song: 99 Bottles of Beer on the Wall.
The beer song
The lyrics follow this form:
99 bottles of beer on the wall
99 bottles of beer
Take one down, pass it around
98 bottles of beer on the wall
98 bottles of beer on the wall
98 bottles of beer
Take one dow... | #Apache_Ant | Apache Ant | <?xml version="1.0"?>
<project name="n bottles" default="99_bottles">
<!-- ant-contrib.sourceforge.net for arithmetic and if -->
<taskdef resource="net/sf/antcontrib/antcontrib.properties"/>
<!-- start count of bottles, you can set this with
e.g. ant -f 99.xml -Dcount=10 -->
<property name="count" value... |
http://rosettacode.org/wiki/24_game | 24 game | The 24 Game tests one's mental arithmetic.
Task
Write a program that randomly chooses and displays four digits, each from 1 ──► 9 (inclusive) with repetitions allowed.
The program should prompt for the player to enter an arithmetic expression using just those, and all of those four digits, used exactly once each. T... | #EchoLisp | EchoLisp |
(string-delimiter "")
;; check that nums are in expr, and only once
(define (is-valid? expr sorted: nums)
(when (equal? 'q expr) (error "24-game" "Thx for playing"))
(unless (and
(list? expr)
(equal? nums (list-sort < (filter number? (flatten expr)))))
(writeln "🎃 Please use" nums)
... |
http://rosettacode.org/wiki/9_billion_names_of_God_the_integer | 9 billion names of God the integer | This task is a variation of the short story by Arthur C. Clarke.
(Solvers should be aware of the consequences of completing this task.)
In detail, to specify what is meant by a “name”:
The integer 1 has 1 name “1”.
The integer 2 has 2 names “1+1”, and “2”.
The integer 3 has 3 names “1+1+1”, “2+1”, ... | #Yabasic | Yabasic | clear screen
Sub nine_billion_names(rows)
local p(rows, rows), i, j, column
p(1, 1) = 1
For i = 2 To rows
For j = 1 To i
p(i, j) = p(i - 1, j - 1) + p(i - j, j)
Next j
Next i
For i = 1 To rows
column = rows * 2 - 2 * i - 2
For j = 1 To i
... |
http://rosettacode.org/wiki/9_billion_names_of_God_the_integer | 9 billion names of God the integer | This task is a variation of the short story by Arthur C. Clarke.
(Solvers should be aware of the consequences of completing this task.)
In detail, to specify what is meant by a “name”:
The integer 1 has 1 name “1”.
The integer 2 has 2 names “1+1”, and “2”.
The integer 3 has 3 names “1+1+1”, “2+1”, ... | #zkl | zkl | var [const] BN=Import.lib("zklBigNum");
const N=0d100_000;
p:=List.createLong(N+1,BN.fp(0),True); // (0,0,...) all different
fcn calc(n,p){
p[n].set(0); // reset array for each run
foreach k in ([1..n]){
d:=n - k *(3*k - 1)/2;
do(2){
if (d<0) break(2);
if (k.isOdd) p[n].add(p[d]);
e... |
http://rosettacode.org/wiki/A%2BB | A+B | A+B ─── a classic problem in programming contests, it's given so contestants can gain familiarity with the online judging system being used.
Task
Given two integers, A and B.
Their sum needs to be calculated.
Input data
Two integers are written in the input stream, separated by space(s):
(
−
1000
≤... | #Ceylon | Ceylon | shared void run() {
print("please enter two numbers for me to add");
value input = process.readLine();
if (exists input) {
value tokens = input.split().map(Integer.parse);
if (tokens.any((element) => element is ParseException)) {
print("numbers only, please");
retur... |
http://rosettacode.org/wiki/Ackermann_function | Ackermann function | The Ackermann function is a classic example of a recursive function, notable especially because it is not a primitive recursive function. It grows very quickly in value, as does the size of its call tree.
The Ackermann function is usually defined as follows:
A
(
m
,
n
)
=
{
n
+
1
if
m
=
0
A
(
m
... | #TXR | TXR | (defmacro defmemofun (name (. args) . body)
(let ((hash (gensym "hash-"))
(argl (gensym "args-"))
(hent (gensym "hent-"))
(uniq (copy-str "uniq")))
^(let ((,hash (hash :equal-based)))
(defun ,name (,*args)
(let* ((,argl (list ,*args))
(,hent (inhash ,hash ,a... |
http://rosettacode.org/wiki/ABC_problem | ABC problem | ABC problem
You are encouraged to solve this task according to the task description, using any language you may know.
You are given a collection of ABC blocks (maybe like the ones you had when you were a kid).
There are twenty blocks with two letters on each block.
A complete alphabet is guaranteed amongst all sid... | #FBSL | FBSL |
#APPTYPE CONSOLE
SUB MAIN()
BlockCheck("A")
BlockCheck("BARK")
BlockCheck("BooK")
BlockCheck("TrEaT")
BlockCheck("comMON")
BlockCheck("sQuAd")
BlockCheck("Confuse")
pause
END SUB
FUNCTION BlockCheck(str)
PRINT str " " iif( Blockable( str ), "can", "cannot" ) " be spelled with blocks."
END FUNCTION
FUNCTI... |
http://rosettacode.org/wiki/100_prisoners | 100 prisoners |
The Problem
100 prisoners are individually numbered 1 to 100
A room having a cupboard of 100 opaque drawers numbered 1 to 100, that cannot be seen from outside.
Cards numbered 1 to 100 are placed randomly, one to a drawer, and the drawers all closed; at the start.
Prisoners start outside the room
They can decid... | #Crystal | Crystal | prisoners = (1..100).to_a
N = 100_000
generate_rooms = ->{ (1..100).to_a.shuffle }
res = N.times.count do
rooms = generate_rooms.call
prisoners.all? { |pr| rooms[1, 100].sample(50).includes?(pr) }
end
puts "Random strategy : %11.4f %%" % (res.fdiv(N) * 100)
res = N.times.count do
rooms = generate_rooms.call
... |
http://rosettacode.org/wiki/Abundant_odd_numbers | Abundant odd numbers | An Abundant number is a number n for which the sum of divisors σ(n) > 2n,
or, equivalently, the sum of proper divisors (or aliquot sum) s(n) > n.
E.G.
12 is abundant, it has the proper divisors 1,2,3,4 & 6 which sum to 16 ( > 12 or n);
or alternately, has the sigma sum of ... | #Visual_Basic_.NET | Visual Basic .NET | Module AbundantOddNumbers
' find some abundant odd numbers - numbers where the sum of the proper
' divisors is bigger than the number
' itself
' returns the sum of the proper divisors of n
Private Function divisorSum(n As Integer) A... |
http://rosettacode.org/wiki/21_game | 21 game | 21 game
You are encouraged to solve this task according to the task description, using any language you may know.
21 is a two player game, the game is played by choosing
a number (1, 2, or 3) to be added to the running total.
The game is won by the player whose chosen number causes the running total
to reach exactly ... | #Python | Python |
from random import randint
def start():
game_count=0
print("Enter q to quit at any time.\nThe computer will choose first.\nRunning total is now {}".format(game_count))
roundno=1
while game_count<21:
print("\nROUND {}: \n".format(roundno))
t = select_count(game_count)
game_count = game_count+t
print("Runni... |
http://rosettacode.org/wiki/24_game/Solve | 24 game/Solve | task
Write a program that takes four digits, either from user input or by random generation, and computes arithmetic expressions following the rules of the 24 game.
Show examples of solutions generated by the program.
Related task
Arithmetic Evaluator
| #GAP | GAP | # Solution in '''RPN'''
check := function(x, y, z)
local r, c, s, i, j, k, a, b, p;
i := 0;
j := 0;
k := 0;
s := [ ];
r := "";
for c in z do
if c = 'x' then
i := i + 1;
k := k + 1;
s[k] := x[i];
Append(r, String(x[i]));
else
j := j + 1;
b := s[k];
k := k - 1;
a := s[k];
p := y[j];
... |
http://rosettacode.org/wiki/15_puzzle_game | 15 puzzle game |
Task
Implement the Fifteen Puzzle Game.
The 15-puzzle is also known as:
Fifteen Puzzle
Gem Puzzle
Boss Puzzle
Game of Fifteen
Mystic Square
14-15 Puzzle
and some others.
Related Tasks
15 Puzzle Solver
16 Puzzle Game
| #AArch64_Assembly | AArch64 Assembly |
/* ARM assembly AARCH64 Raspberry PI 3B */
/* program puzzle15_64.s */
/*******************************************/
/* Constantes file */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesAR... |
http://rosettacode.org/wiki/2048 | 2048 | Task
Implement a 2D sliding block puzzle game where blocks with numbers are combined to add their values.
Rules of the game
The rules are that on each turn the player must choose a direction (up, down, left or right).
All tiles move as far as possible in that direction, some move more than others.
Two ... | #Batch_File | Batch File | :: 2048 Game Task from RosettaCode
:: Batch File Implementation v2.0.1
@echo off
setlocal enabledelayedexpansion
rem initialization
:begin_game
set "size=4" %== board size ==%
set "score=0" %== current score ==%
set "won=0" %== boolean for winning ==%
set "target=2048" %== as the game title says ==%
for /l %... |
http://rosettacode.org/wiki/4-rings_or_4-squares_puzzle | 4-rings or 4-squares puzzle | 4-rings or 4-squares puzzle
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Replace a, b, c, d, e, f, and
g with the decimal
digits LOW ───► HIGH
such that the sum of the letters inside of each of the four large squares add up to
t... | #R | R | # 4 rings or 4 squares puzzle
perms <- function (n, r, v = 1:n, repeats.allowed = FALSE) {
if (repeats.allowed)
sub <- function(n, r, v) {
if (r == 1)
matrix(v, n, 1)
else if (n == 1)
matrix(v, 1, r)
else {
inner <- Recall(n, r - 1, v)
cbind(rep(v, rep(nrow(i... |
http://rosettacode.org/wiki/15_puzzle_solver | 15 puzzle solver | Your task is to write a program that finds a solution in the fewest moves possible single moves to a random Fifteen Puzzle Game.
For this task you will be using the following puzzle:
15 14 1 6
9 11 4 12
0 10 7 3
13 8 5 2
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 0
The output must show the moves' dir... | #Forth | Forth |
#! /usr/bin/gforth
cell 8 <> [if] s" 64-bit system required" exception throw [then]
\ In the stack comments below,
\ "h" stands for the hole position (0..15),
\ "s" for a 64-bit integer representing a board state,
\ "t" a tile value (0..15, 0 is the hole),
\ "b" for a bit offset of a position within a state,
\ "m... |
http://rosettacode.org/wiki/99_bottles_of_beer | 99 bottles of beer | Task
Display the complete lyrics for the song: 99 Bottles of Beer on the Wall.
The beer song
The lyrics follow this form:
99 bottles of beer on the wall
99 bottles of beer
Take one down, pass it around
98 bottles of beer on the wall
98 bottles of beer on the wall
98 bottles of beer
Take one dow... | #Apex | Apex |
for(Integer i = 99; i=0; i--){
system.debug(i + ' bottles of beer on the wall');
system.debug('\n');
system.debug(i + ' bottles of beer on the wall');
system.debug(i + ' bottles of beer');
system.debug('take one down, pass it around');
}
|
http://rosettacode.org/wiki/24_game | 24 game | The 24 Game tests one's mental arithmetic.
Task
Write a program that randomly chooses and displays four digits, each from 1 ──► 9 (inclusive) with repetitions allowed.
The program should prompt for the player to enter an arithmetic expression using just those, and all of those four digits, used exactly once each. T... | #Elena | Elena | import system'routines;
import system'collections;
import system'dynamic;
import extensions;
// --- Expression ---
class ExpressionTree
{
object theTree;
constructor(s)
{
auto level := new Integer(0);
s.forEach:(ch)
{
var node := new DynamicStruct();
... |
http://rosettacode.org/wiki/A%2BB | A+B | A+B ─── a classic problem in programming contests, it's given so contestants can gain familiarity with the online judging system being used.
Task
Given two integers, A and B.
Their sum needs to be calculated.
Input data
Two integers are written in the input stream, separated by space(s):
(
−
1000
≤... | #Clojure | Clojure | (println (+ (Integer/parseInt (read-line)) (Integer/parseInt (read-line))))
3
4
=>7 |
http://rosettacode.org/wiki/Ackermann_function | Ackermann function | The Ackermann function is a classic example of a recursive function, notable especially because it is not a primitive recursive function. It grows very quickly in value, as does the size of its call tree.
The Ackermann function is usually defined as follows:
A
(
m
,
n
)
=
{
n
+
1
if
m
=
0
A
(
m
... | #UNIX_Shell | UNIX Shell | ack() {
local m=$1
local n=$2
if [ $m -eq 0 ]; then
echo -n $((n+1))
elif [ $n -eq 0 ]; then
ack $((m-1)) 1
else
ack $((m-1)) $(ack $m $((n-1)))
fi
} |
http://rosettacode.org/wiki/ABC_problem | ABC problem | ABC problem
You are encouraged to solve this task according to the task description, using any language you may know.
You are given a collection of ABC blocks (maybe like the ones you had when you were a kid).
There are twenty blocks with two letters on each block.
A complete alphabet is guaranteed amongst all sid... | #Forth | Forth | : blockslist s" BOXKDQCPNAGTRETGQDFSJWHUVIANOBERFSLYPCZM" ;
variable blocks
: allotblocks ( -- ) here blockslist dup allot here over - swap move blocks ! ;
: freeblocks blockslist nip negate allot ;
: toupper 223 and ;
: clearblock ( addr-block -- )
dup '_' swap c!
dup blocks @ - 1 and if 1- else 1+ then
'_' swap c!... |
http://rosettacode.org/wiki/100_prisoners | 100 prisoners |
The Problem
100 prisoners are individually numbered 1 to 100
A room having a cupboard of 100 opaque drawers numbered 1 to 100, that cannot be seen from outside.
Cards numbered 1 to 100 are placed randomly, one to a drawer, and the drawers all closed; at the start.
Prisoners start outside the room
They can decid... | #D | D | import std.array;
import std.random;
import std.range;
import std.stdio;
import std.traits;
bool playOptimal() {
auto secrets = iota(100).array.randomShuffle();
prisoner:
foreach (p; 0..100) {
auto choice = p;
foreach (_; 0..50) {
if (secrets[choice] == p) continue prisoner;
... |
http://rosettacode.org/wiki/Abundant_odd_numbers | Abundant odd numbers | An Abundant number is a number n for which the sum of divisors σ(n) > 2n,
or, equivalently, the sum of proper divisors (or aliquot sum) s(n) > n.
E.G.
12 is abundant, it has the proper divisors 1,2,3,4 & 6 which sum to 16 ( > 12 or n);
or alternately, has the sigma sum of ... | #Vlang | Vlang | fn divisors(n i64) []i64 {
mut divs := [i64(1)]
mut divs2 := []i64{}
for i := 2; i*i <= n; i++ {
if n%i == 0 {
j := n / i
divs << i
if i != j {
divs2 << j
}
}
}
for i := divs2.len - 1; i >= 0; i-- {
divs << divs2... |
http://rosettacode.org/wiki/21_game | 21 game | 21 game
You are encouraged to solve this task according to the task description, using any language you may know.
21 is a two player game, the game is played by choosing
a number (1, 2, or 3) to be added to the running total.
The game is won by the player whose chosen number causes the running total
to reach exactly ... | #Quackery | Quackery | [ say
"Who goes first: Computer, Player"
say " or Random?" cr
[ $ "Enter C, P or R: " input
dup size 1 != iff drop again
0 peek
dup char C = iff [ drop 0 ] done
dup char P = iff [ drop 1 ] done
char R = iff [ 2 random ] done
again ]
cr
dup iff [ say "You go fi... |
http://rosettacode.org/wiki/24_game/Solve | 24 game/Solve | task
Write a program that takes four digits, either from user input or by random generation, and computes arithmetic expressions following the rules of the 24 game.
Show examples of solutions generated by the program.
Related task
Arithmetic Evaluator
| #Go | Go | package main
import (
"fmt"
"math/rand"
"time"
)
const (
op_num = iota
op_add
op_sub
op_mul
op_div
)
type frac struct {
num, denom int
}
// Expression: can either be a single number, or a result of binary
// operation from left and right node
type Expr struct {
op int
left, right *Expr
valu... |
http://rosettacode.org/wiki/15_puzzle_game | 15 puzzle game |
Task
Implement the Fifteen Puzzle Game.
The 15-puzzle is also known as:
Fifteen Puzzle
Gem Puzzle
Boss Puzzle
Game of Fifteen
Mystic Square
14-15 Puzzle
and some others.
Related Tasks
15 Puzzle Solver
16 Puzzle Game
| #Action.21 | Action! | DEFINE BOARDSIZE="16"
DEFINE X0="13"
DEFINE Y0="6"
DEFINE ITEMW="3"
DEFINE ITEMH="2"
BYTE ARRAY board(BOARDSIZE)
BYTE emptyX,emptyY,solved,first=[1]
BYTE FUNC Index(BYTE x,y)
RETURN (x+y*4)
PROC UpdateItem(BYTE x,y)
BYTE item
Position(X0+x*ITEMW+1,Y0+y*ITEMH+1)
item=board(Index(x,y))
IF item=0 THEN
... |
http://rosettacode.org/wiki/2048 | 2048 | Task
Implement a 2D sliding block puzzle game where blocks with numbers are combined to add their values.
Rules of the game
The rules are that on each turn the player must choose a direction (up, down, left or right).
All tiles move as far as possible in that direction, some move more than others.
Two ... | #BASIC | BASIC |
SCREEN 13
PALETTE 1, pColor(35, 33, 31)
PALETTE 2, pColor(46, 46, 51)
PALETTE 3, pColor(59, 56, 50)
PALETTE 4, pColor(61, 44, 30)
PALETTE 5, pColor(61, 37, 25)
PALETTE 6, pColor(62, 31, 24)
PALETTE 7, pColor(62, 24, 15)
PALETTE 8, pColor(59, 52, 29)
PALETTE 9, pColor(59, 51, 24)
PALETTE 10, pColor(59, 50, 20)
PALETTE... |
http://rosettacode.org/wiki/4-rings_or_4-squares_puzzle | 4-rings or 4-squares puzzle | 4-rings or 4-squares puzzle
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Replace a, b, c, d, e, f, and
g with the decimal
digits LOW ───► HIGH
such that the sum of the letters inside of each of the four large squares add up to
t... | #Racket | Racket | #lang racket
(define solution? (match-lambda [(list a b c d e f g) (= (+ a b) (+ b c d) (+ d e f) (+ f g))]))
(define (fold-4-rings-or-4-squares-puzzle lo hi kons k0)
(for*/fold ((k k0))
((combination (in-combinations (range lo (add1 hi)) 7))
(permutation (in-permutations combination))
... |
http://rosettacode.org/wiki/15_puzzle_solver | 15 puzzle solver | Your task is to write a program that finds a solution in the fewest moves possible single moves to a random Fifteen Puzzle Game.
For this task you will be using the following puzzle:
15 14 1 6
9 11 4 12
0 10 7 3
13 8 5 2
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 0
The output must show the moves' dir... | #Fortran | Fortran | 59: H = MOD(ABS(PRODUCT(BRD)),APRIME)
004016E3 mov esi,1
004016E8 mov ecx,1
004016ED cmp ecx,2
004016F0 jg MAIN$SLIDESOLVE+490h (0040171e)
004016F2 cmp ecx,1
004016F5 jl MAIN$SLIDESOLVE+46Eh (004016fc)
004016F7 cmp ecx,2
004016FA jle ... |
http://rosettacode.org/wiki/99_bottles_of_beer | 99 bottles of beer | Task
Display the complete lyrics for the song: 99 Bottles of Beer on the Wall.
The beer song
The lyrics follow this form:
99 bottles of beer on the wall
99 bottles of beer
Take one down, pass it around
98 bottles of beer on the wall
98 bottles of beer on the wall
98 bottles of beer
Take one dow... | #APL | APL | bob ← { (⍕⍵), ' bottle', (1=⍵)↓'s of beer'}
bobw ← {(bob ⍵) , ' on the wall'}
beer ← { (bobw ⍵) , ', ', (bob ⍵) , '; take one down and pass it around, ', bobw ⍵-1}
|
http://rosettacode.org/wiki/24_game | 24 game | The 24 Game tests one's mental arithmetic.
Task
Write a program that randomly chooses and displays four digits, each from 1 ──► 9 (inclusive) with repetitions allowed.
The program should prompt for the player to enter an arithmetic expression using just those, and all of those four digits, used exactly once each. T... | #Elixir | Elixir | defmodule Game24 do
def main do
IO.puts "24 Game"
play
end
defp play do
IO.puts "Generating 4 digits..."
digts = for _ <- 1..4, do: Enum.random(1..9)
IO.puts "Your digits\t#{inspect digts, char_lists: :as_lists}"
read_eval(digts)
play
end
defp read_eval(digits) do
exp = IO.... |
http://rosettacode.org/wiki/A%2BB | A+B | A+B ─── a classic problem in programming contests, it's given so contestants can gain familiarity with the online judging system being used.
Task
Given two integers, A and B.
Their sum needs to be calculated.
Input data
Two integers are written in the input stream, separated by space(s):
(
−
1000
≤... | #COBOL | COBOL | IDENTIFICATION DIVISION.
PROGRAM-ID. A-Plus-B.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 A PIC S9(5).
01 B PIC S9(5).
01 A-B-Sum PIC S9(5).
PROCEDURE DIVISION.
ACCEPT A
ACCEPT B
ADD A TO B GIVING A-B-Sum
... |
http://rosettacode.org/wiki/Ackermann_function | Ackermann function | The Ackermann function is a classic example of a recursive function, notable especially because it is not a primitive recursive function. It grows very quickly in value, as does the size of its call tree.
The Ackermann function is usually defined as follows:
A
(
m
,
n
)
=
{
n
+
1
if
m
=
0
A
(
m
... | #Ursala | Ursala | #import std
#import nat
ackermann =
~&al^?\successor@ar ~&ar?(
^R/~&f ^/predecessor@al ^|R/~& ^|/~& predecessor,
^|R/~& ~&\1+ predecessor@l) |
http://rosettacode.org/wiki/ABC_problem | ABC problem | ABC problem
You are encouraged to solve this task according to the task description, using any language you may know.
You are given a collection of ABC blocks (maybe like the ones you had when you were a kid).
There are twenty blocks with two letters on each block.
A complete alphabet is guaranteed amongst all sid... | #Fortran | Fortran | !-*- mode: compilation; default-directory: "/tmp/" -*-
!Compilation started at Thu Jun 5 01:52:03
!
!make f && for a in '' a bark book treat common squad confuse ; do echo $a | ./f ; done
!gfortran -std=f2008 -Wall -fopenmp -ffree-form -fall-intrinsics -fimplicit-none -g f.f08 -o f
! T
! T A ... |
http://rosettacode.org/wiki/100_prisoners | 100 prisoners |
The Problem
100 prisoners are individually numbered 1 to 100
A room having a cupboard of 100 opaque drawers numbered 1 to 100, that cannot be seen from outside.
Cards numbered 1 to 100 are placed randomly, one to a drawer, and the drawers all closed; at the start.
Prisoners start outside the room
They can decid... | #Delphi | Delphi | for i range 100
drawer[] &= i
sampler[] &= i
.
subr shuffle_drawer
for i = len drawer[] downto 2
r = random i
swap drawer[r] drawer[i - 1]
.
.
subr play_random
call shuffle_drawer
found = 1
prisoner = 0
while prisoner < 100 and found = 1
found = 0
i = 0
while i < 50 and found = 0
... |
http://rosettacode.org/wiki/Abundant_odd_numbers | Abundant odd numbers | An Abundant number is a number n for which the sum of divisors σ(n) > 2n,
or, equivalently, the sum of proper divisors (or aliquot sum) s(n) > n.
E.G.
12 is abundant, it has the proper divisors 1,2,3,4 & 6 which sum to 16 ( > 12 or n);
or alternately, has the sigma sum of ... | #Wren | Wren | import "/fmt" for Fmt
import "/math" for Int, Nums
var sumStr = Fn.new { |divs| divs.reduce("") { |acc, div| acc + "%(div) + " }[0...-3] }
var abundantOdd = Fn.new { |searchFrom, countFrom, countTo, printOne|
var count = countFrom
var n = searchFrom
while (count < countTo) {
var divs = Int.prope... |
http://rosettacode.org/wiki/21_game | 21 game | 21 game
You are encouraged to solve this task according to the task description, using any language you may know.
21 is a two player game, the game is played by choosing
a number (1, 2, or 3) to be added to the running total.
The game is won by the player whose chosen number causes the running total
to reach exactly ... | #R | R | game21<-function(first = c("player","ai","random"),sleep=.5){
state = 0
finished = F
turn = 1
if(length(first)==1 && startsWith(tolower(first),"r")){
first = rbinom(1,1,.5)
}else{
first = (length(first)>1 || startsWith(tolower(first),"p"))
}
while(!finished){
if(turn>1 || first){
cat("Th... |
http://rosettacode.org/wiki/24_game/Solve | 24 game/Solve | task
Write a program that takes four digits, either from user input or by random generation, and computes arithmetic expressions following the rules of the 24 game.
Show examples of solutions generated by the program.
Related task
Arithmetic Evaluator
| #Gosu | Gosu |
uses java.lang.Integer
uses java.lang.Double
uses java.lang.System
uses java.util.ArrayList
uses java.util.LinkedList
uses java.util.List
uses java.util.Scanner
uses java.util.Stack
function permutations<T>( lst : List<T> ) : List<List<T>> {
if( lst.size() == 0 ) return {}
if( lst.size() == 1 ) return { lst... |
http://rosettacode.org/wiki/15_puzzle_game | 15 puzzle game |
Task
Implement the Fifteen Puzzle Game.
The 15-puzzle is also known as:
Fifteen Puzzle
Gem Puzzle
Boss Puzzle
Game of Fifteen
Mystic Square
14-15 Puzzle
and some others.
Related Tasks
15 Puzzle Solver
16 Puzzle Game
| #Ada | Ada | generic
Rows, Cols: Positive;
with function Name(N: Natural) return String; -- with Pre => (N < Rows*Cols);
-- Name(0) shall return the name for the empty tile
package Generic_Puzzle is
subtype Row_Type is Positive range 1 .. Rows;
subtype Col_Type is Positive range 1 .. Cols;
type Moves is (Up, Dow... |
http://rosettacode.org/wiki/2048 | 2048 | Task
Implement a 2D sliding block puzzle game where blocks with numbers are combined to add their values.
Rules of the game
The rules are that on each turn the player must choose a direction (up, down, left or right).
All tiles move as far as possible in that direction, some move more than others.
Two ... | #BBC_BASIC | BBC BASIC | SIZE = 4 : MAX = SIZE-1
Won% = FALSE : Lost% = FALSE
@% = 5
DIM Board(MAX,MAX),Stuck% 3
PROCBreed
PROCPrint
REPEAT
Direction = GET-135
IF Direction > 0 AND Direction < 5 THEN
Moved% = FALSE
PROCShift
PROCMerge
PROCSh... |
http://rosettacode.org/wiki/4-rings_or_4-squares_puzzle | 4-rings or 4-squares puzzle | 4-rings or 4-squares puzzle
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Replace a, b, c, d, e, f, and
g with the decimal
digits LOW ───► HIGH
such that the sum of the letters inside of each of the four large squares add up to
t... | #Raku | Raku | sub four-squares ( @list, :$unique=1, :$show=1 ) {
my @solutions;
for $unique.&combos -> @c {
@solutions.push: @c if [==]
@c[0] + @c[1],
@c[1] + @c[2] + @c[3],
@c[3] + @c[4] + @c[5],
@c[5] + @c[6];
}
say +@solutions, ($unique ?? ' ' !! ' non-'), "uni... |
http://rosettacode.org/wiki/15_puzzle_solver | 15 puzzle solver | Your task is to write a program that finds a solution in the fewest moves possible single moves to a random Fifteen Puzzle Game.
For this task you will be using the following puzzle:
15 14 1 6
9 11 4 12
0 10 7 3
13 8 5 2
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 0
The output must show the moves' dir... | #Go | Go | package main
import "fmt"
var (
Nr = [16]int{3, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3}
Nc = [16]int{3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2}
)
var (
n, _n int
N0, N3, N4 [85]int
N2 [85]uint64
)
const (
i = 1
g = 8
e = 2
l = 4
)
func fY() bool {
... |
http://rosettacode.org/wiki/99_bottles_of_beer | 99 bottles of beer | Task
Display the complete lyrics for the song: 99 Bottles of Beer on the Wall.
The beer song
The lyrics follow this form:
99 bottles of beer on the wall
99 bottles of beer
Take one down, pass it around
98 bottles of beer on the wall
98 bottles of beer on the wall
98 bottles of beer
Take one dow... | #App_Inventor | App Inventor | repeat with beerCount from 99 to 1 by -1
set bottles to "bottles"
if beerCount < 99 then
if beerCount = 1 then
set bottles to "bottle"
end
log "" & beerCount & " " & bottles & " of beer on the wall"
log ""
end
log "" & beerCount & " " & bottles & " of beer on the wall"
log "" & beerCount... |
http://rosettacode.org/wiki/24_game | 24 game | The 24 Game tests one's mental arithmetic.
Task
Write a program that randomly chooses and displays four digits, each from 1 ──► 9 (inclusive) with repetitions allowed.
The program should prompt for the player to enter an arithmetic expression using just those, and all of those four digits, used exactly once each. T... | #Erlang | Erlang | -module(g24).
-export([main/0]).
main() ->
random:seed(now()),
io:format("24 Game~n"),
play().
play() ->
io:format("Generating 4 digits...~n"),
Digts = [random:uniform(X) || X <- [9,9,9,9]],
io:format("Your digits\t~w~n", [Digts]),
read_eval(Digts),
play().
read_eval(Digits) ->
... |
http://rosettacode.org/wiki/A%2BB | A+B | A+B ─── a classic problem in programming contests, it's given so contestants can gain familiarity with the online judging system being used.
Task
Given two integers, A and B.
Their sum needs to be calculated.
Input data
Two integers are written in the input stream, separated by space(s):
(
−
1000
≤... | #CoffeeScript | CoffeeScript | <html>
<script type="text/javascript" src="http://jashkenas.github.com/coffee-script/extras/coffee-script.js"></script>
<script type="text/coffeescript">
a = window.prompt 'enter A number', ''
b = window.prompt 'enter B number', ''
document.getElementById('input').innerHTML = a + ' ' + b
sum = parseInt(a) + parseInt(b)... |
http://rosettacode.org/wiki/Ackermann_function | Ackermann function | The Ackermann function is a classic example of a recursive function, notable especially because it is not a primitive recursive function. It grows very quickly in value, as does the size of its call tree.
The Ackermann function is usually defined as follows:
A
(
m
,
n
)
=
{
n
+
1
if
m
=
0
A
(
m
... | #V | V | [ack
[ [pop zero?] [popd succ]
[zero?] [pop pred 1 ack]
[true] [[dup pred swap] dip pred ack ack ]
] when]. |
http://rosettacode.org/wiki/ABC_problem | ABC problem | ABC problem
You are encouraged to solve this task according to the task description, using any language you may know.
You are given a collection of ABC blocks (maybe like the ones you had when you were a kid).
There are twenty blocks with two letters on each block.
A complete alphabet is guaranteed amongst all sid... | #FreeBASIC | FreeBASIC | ' version 28-01-2019
' compile with: fbc -s console
Dim As String blocks(1 To 20, 1 To 2) => {{"B", "O"}, {"X", "K"}, {"D", "Q"}, _
{"C", "P"}, {"N", "A"}, {"G", "T"}, {"R", "E"}, {"T", "G"}, {"Q", "D"}, _
{"F", "S"}, {"J", "W"}, {"H", "U"}, {"V", "I"}, {"A", "N"}, {"O", "B"}, _
{"E", "R"}, {"F", "S"}, {"L", "Y"}, {"... |
http://rosettacode.org/wiki/100_prisoners | 100 prisoners |
The Problem
100 prisoners are individually numbered 1 to 100
A room having a cupboard of 100 opaque drawers numbered 1 to 100, that cannot be seen from outside.
Cards numbered 1 to 100 are placed randomly, one to a drawer, and the drawers all closed; at the start.
Prisoners start outside the room
They can decid... | #EasyLang | EasyLang | for i range 100
drawer[] &= i
sampler[] &= i
.
subr shuffle_drawer
for i = len drawer[] downto 2
r = random i
swap drawer[r] drawer[i - 1]
.
.
subr play_random
call shuffle_drawer
found = 1
prisoner = 0
while prisoner < 100 and found = 1
found = 0
i = 0
while i < 50 and found = 0
... |
http://rosettacode.org/wiki/Abundant_odd_numbers | Abundant odd numbers | An Abundant number is a number n for which the sum of divisors σ(n) > 2n,
or, equivalently, the sum of proper divisors (or aliquot sum) s(n) > n.
E.G.
12 is abundant, it has the proper divisors 1,2,3,4 & 6 which sum to 16 ( > 12 or n);
or alternately, has the sigma sum of ... | #X86_Assembly | X86 Assembly | .model tiny
.code
.486
org 100h
;ebp=counter, edi=Num, ebx=Div, esi=Sum
start: xor ebp, ebp ;odd abundant number counter:= 0
mov edi, 3 ;Num:= 3
ab10: mov ebx, 3 ;Div:= 3
mov esi, 1 ;Sum:= 1
ab20: mov eax, ed... |
http://rosettacode.org/wiki/21_game | 21 game | 21 game
You are encouraged to solve this task according to the task description, using any language you may know.
21 is a two player game, the game is played by choosing
a number (1, 2, or 3) to be added to the running total.
The game is won by the player whose chosen number causes the running total
to reach exactly ... | #Racket | Racket | #lang racket
(define limit 21)
(define max-resp 3)
(define (get-resp)
(let loop ()
(match (read-line)
[(app (conjoin string? string->number) n)
#:when (and (exact-integer? n) (<= 1 n max-resp))
n]
["q" (exit)]
[n (printf "~a is not in range 1 and ~a\n" n max-resp)
(loo... |
http://rosettacode.org/wiki/24_game/Solve | 24 game/Solve | task
Write a program that takes four digits, either from user input or by random generation, and computes arithmetic expressions following the rules of the 24 game.
Show examples of solutions generated by the program.
Related task
Arithmetic Evaluator
| #Haskell | Haskell | import Data.List
import Data.Ratio
import Control.Monad
import System.Environment (getArgs)
data Expr = Constant Rational |
Expr :+ Expr | Expr :- Expr |
Expr :* Expr | Expr :/ Expr
deriving (Eq)
ops = [(:+), (:-), (:*), (:/)]
instance Show Expr where
show (Constant x) = show $ numerator x
-... |
http://rosettacode.org/wiki/15_puzzle_game | 15 puzzle game |
Task
Implement the Fifteen Puzzle Game.
The 15-puzzle is also known as:
Fifteen Puzzle
Gem Puzzle
Boss Puzzle
Game of Fifteen
Mystic Square
14-15 Puzzle
and some others.
Related Tasks
15 Puzzle Solver
16 Puzzle Game
| #APL | APL | fpg←{⎕IO←0
⍺←4 4
(s∨.<0)∨2≠⍴s←⍺:'invalid shape:'s
0≠⍴⍴⍵:'invalid shuffle count:'⍵
d←d,-d←↓2 2⍴3↑1
e←¯1+⍴c←'↑↓←→○'
b←w←s⍴w←1⌽⍳×/s
z←⊃{
z p←⍵
n←(?⍴p)⊃p←(p≡¨(⊂s)|p)/p←(d~p)+⊂z
b[z n]←b[n z]
-⍨\n z
}⍣⍵⊢(s-1)0
⎕←b
⍬{
b≡w:'win'
0=⍴⍺:⍞∇ ⍵
... |
http://rosettacode.org/wiki/2048 | 2048 | Task
Implement a 2D sliding block puzzle game where blocks with numbers are combined to add their values.
Rules of the game
The rules are that on each turn the player must choose a direction (up, down, left or right).
All tiles move as far as possible in that direction, some move more than others.
Two ... | #C | C |
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
#define D_INVALID -1
#define D_UP 1
#define D_DOWN 2
#define D_RIGHT 3
#define D_LEFT 4
const long values[] = {
0, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048
};
const ch... |
http://rosettacode.org/wiki/4-rings_or_4-squares_puzzle | 4-rings or 4-squares puzzle | 4-rings or 4-squares puzzle
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Replace a, b, c, d, e, f, and
g with the decimal
digits LOW ───► HIGH
such that the sum of the letters inside of each of the four large squares add up to
t... | #REXX | REXX | /*REXX pgm solves the 4-rings puzzle, where letters represent unique (or not) digits). */
arg LO HI unique show . /*the ARG statement capitalizes args.*/
if LO=='' | LO=="," then LO=1 /*Not specified? Then use the default.*/
if HI=='' | HI=="," then HI=7 ... |
http://rosettacode.org/wiki/15_puzzle_solver | 15 puzzle solver | Your task is to write a program that finds a solution in the fewest moves possible single moves to a random Fifteen Puzzle Game.
For this task you will be using the following puzzle:
15 14 1 6
9 11 4 12
0 10 7 3
13 8 5 2
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 0
The output must show the moves' dir... | #Julia | Julia | const Nr = [3, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3]
const Nc = [3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2]
const N0 = zeros(Int, 85)
const N2 = zeros(UInt64, 85)
const N3 = zeros(UInt8, 85)
const N4 = zeros(Int, 85)
const i = 1
const g = 8
const ee = 2
const l = 4
const _n = Vector{Int32}([0])
function... |
http://rosettacode.org/wiki/99_bottles_of_beer | 99 bottles of beer | Task
Display the complete lyrics for the song: 99 Bottles of Beer on the Wall.
The beer song
The lyrics follow this form:
99 bottles of beer on the wall
99 bottles of beer
Take one down, pass it around
98 bottles of beer on the wall
98 bottles of beer on the wall
98 bottles of beer
Take one dow... | #AppleScript | AppleScript | repeat with beerCount from 99 to 1 by -1
set bottles to "bottles"
if beerCount < 99 then
if beerCount = 1 then
set bottles to "bottle"
end
log "" & beerCount & " " & bottles & " of beer on the wall"
log ""
end
log "" & beerCount & " " & bottles & " of beer on the wall"
log "" & beerCount... |
http://rosettacode.org/wiki/24_game | 24 game | The 24 Game tests one's mental arithmetic.
Task
Write a program that randomly chooses and displays four digits, each from 1 ──► 9 (inclusive) with repetitions allowed.
The program should prompt for the player to enter an arithmetic expression using just those, and all of those four digits, used exactly once each. T... | #F.23 | F# | open System
open System.Text.RegularExpressions
// Some utilities
let (|Parse|_|) regex str =
let m = Regex(regex).Match(str)
if m.Success then Some ([for g in m.Groups -> g.Value]) else None
let rec gcd x y = if x = y || x = 0 then y else if x < y then gcd y x else gcd y (x-y)
let abs (x : int) = Math.Abs x
le... |
http://rosettacode.org/wiki/A%2BB | A+B | A+B ─── a classic problem in programming contests, it's given so contestants can gain familiarity with the online judging system being used.
Task
Given two integers, A and B.
Their sum needs to be calculated.
Input data
Two integers are written in the input stream, separated by space(s):
(
−
1000
≤... | #Common_Lisp | Common Lisp | (write (+ (read) (read))) |
http://rosettacode.org/wiki/Ackermann_function | Ackermann function | The Ackermann function is a classic example of a recursive function, notable especially because it is not a primitive recursive function. It grows very quickly in value, as does the size of its call tree.
The Ackermann function is usually defined as follows:
A
(
m
,
n
)
=
{
n
+
1
if
m
=
0
A
(
m
... | #Vala | Vala | uint64 ackermann(uint64 m, uint64 n) {
if (m == 0) return n + 1;
if (n == 0) return ackermann(m - 1, 1);
return ackermann(m - 1, ackermann(m, n - 1));
}
void main () {
for (uint64 m = 0; m < 4; ++m) {
for (uint64 n = 0; n < 10; ++n) {
print(@"A($m,$n) = $(ackermann(m,n))\n");
}
}
} |
http://rosettacode.org/wiki/ABC_problem | ABC problem | ABC problem
You are encouraged to solve this task according to the task description, using any language you may know.
You are given a collection of ABC blocks (maybe like the ones you had when you were a kid).
There are twenty blocks with two letters on each block.
A complete alphabet is guaranteed amongst all sid... | #Gambas | Gambas | Public Sub Main()
Dim sCheck As String[] = ["A", "BARK", "BOOK", "TREAT", "COMMON", "SQUAD", "CONFUSE"]
Dim sBlock As String[] = ["BO", "XK", "DQ", "CP", "NA", "GT", "RE", "TG", "QD", "FS", "JW", "HU", "VI", "AN", "OB", "ER", "FS", "LY", "PC", "ZM"]
Dim sList As New String[]
Dim siCount, siLoop As Short
Dim sTemp, sAns... |
http://rosettacode.org/wiki/100_prisoners | 100 prisoners |
The Problem
100 prisoners are individually numbered 1 to 100
A room having a cupboard of 100 opaque drawers numbered 1 to 100, that cannot be seen from outside.
Cards numbered 1 to 100 are placed randomly, one to a drawer, and the drawers all closed; at the start.
Prisoners start outside the room
They can decid... | #Elixir | Elixir | defmodule HundredPrisoners do
def optimal_room(_, _, _, []), do: []
def optimal_room(prisoner, current_room, rooms, [_ | tail]) do
found = Enum.at(rooms, current_room - 1) == prisoner
next_room = Enum.at(rooms, current_room - 1)
[found] ++ optimal_room(prisoner, next_room, rooms, tail)
end
def opt... |
http://rosettacode.org/wiki/Abundant_odd_numbers | Abundant odd numbers | An Abundant number is a number n for which the sum of divisors σ(n) > 2n,
or, equivalently, the sum of proper divisors (or aliquot sum) s(n) > n.
E.G.
12 is abundant, it has the proper divisors 1,2,3,4 & 6 which sum to 16 ( > 12 or n);
or alternately, has the sigma sum of ... | #XPL0 | XPL0 | int Cnt, Num, Div, Sum, Quot;
[Cnt:= 0;
Num:= 3; \find odd abundant numbers
loop [Div:= 1;
Sum:= 0;
loop [Quot:= Num/Div;
if Div > Quot then quit;
if rem(0) = 0 then
[Sum:= Sum + Div;
if Div # Quot then Sum:= Sum + Quot... |
http://rosettacode.org/wiki/21_game | 21 game | 21 game
You are encouraged to solve this task according to the task description, using any language you may know.
21 is a two player game, the game is played by choosing
a number (1, 2, or 3) to be added to the running total.
The game is won by the player whose chosen number causes the running total
to reach exactly ... | #Raku | Raku | say qq :to 'HERE';
The 21 game. Each player chooses to add 1, 2, or 3 to a running total.
The player whose turn it is when the total reaches 21 wins. Enter q to quit.
HERE
my $total = 0;
loop {
say "Running total is: $total";
my ($me,$comp);
loop {
$me = prompt 'What number do you play... |
http://rosettacode.org/wiki/24_game/Solve | 24 game/Solve | task
Write a program that takes four digits, either from user input or by random generation, and computes arithmetic expressions following the rules of the 24 game.
Show examples of solutions generated by the program.
Related task
Arithmetic Evaluator
| #Icon_and_Unicon | Icon and Unicon | invocable all
link strings # for csort, deletec, permutes
procedure main()
static eL
initial {
eoP := [] # set-up expression and operator permutation patterns
every ( e := !["a@b#c$d", "a@(b#c)$d", "a@b#(c$d)", "a@(b#c$d)", "a@(b#(c$d))"] ) &
( o := !(opers := "+-*/") || !opers || !opers ) do
... |
http://rosettacode.org/wiki/15_puzzle_game | 15 puzzle game |
Task
Implement the Fifteen Puzzle Game.
The 15-puzzle is also known as:
Fifteen Puzzle
Gem Puzzle
Boss Puzzle
Game of Fifteen
Mystic Square
14-15 Puzzle
and some others.
Related Tasks
15 Puzzle Solver
16 Puzzle Game
| #ARM_Assembly | ARM Assembly |
/* ARM assembly Raspberry PI */
/* program puzzle15.s */
/************************************/
/* Constantes */
/************************************/
.equ STDIN, 0 @ Linux input console
.equ STDOUT, 1 @ Linux output console
.equ EXIT, 1 @ Linux syscall
.equ READ, 3 ... |
http://rosettacode.org/wiki/2048 | 2048 | Task
Implement a 2D sliding block puzzle game where blocks with numbers are combined to add their values.
Rules of the game
The rules are that on each turn the player must choose a direction (up, down, left or right).
All tiles move as far as possible in that direction, some move more than others.
Two ... | #C.23 | C# | using System;
namespace g2048_csharp
{
internal class Tile
{
public Tile()
{
Value = 0;
IsBlocked = false;
}
public int Value { get; set; }
public bool IsBlocked { get; set; }
}
internal enum MoveDirection
{
Up,
Do... |
http://rosettacode.org/wiki/4-rings_or_4-squares_puzzle | 4-rings or 4-squares puzzle | 4-rings or 4-squares puzzle
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Replace a, b, c, d, e, f, and
g with the decimal
digits LOW ───► HIGH
such that the sum of the letters inside of each of the four large squares add up to
t... | #Ruby | Ruby | def four_squares(low, high, unique=true, show=unique)
f = -> (a,b,c,d,e,f,g) {[a+b, b+c+d, d+e+f, f+g].uniq.size == 1}
if unique
uniq = "unique"
solutions = [*low..high].permutation(7).select{|ary| f.call(*ary)}
else
uniq = "non-unique"
solutions = [*low..high].repeated_permutation(7).select{|ary|... |
http://rosettacode.org/wiki/15_puzzle_solver | 15 puzzle solver | Your task is to write a program that finds a solution in the fewest moves possible single moves to a random Fifteen Puzzle Game.
For this task you will be using the following puzzle:
15 14 1 6
9 11 4 12
0 10 7 3
13 8 5 2
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 0
The output must show the moves' dir... | #Lua | Lua |
#!/usr/bin/lua
--[[
Solve 3X3 sliding tile puzzle using Astar on Lua. Requires 3mb and
millions of recursions.
by RMM 2020-may-1
]]--
local SOLUTION_LIMIT, MAX_F_VALUE = 100,100
local NR, NC, RCSIZE = 4,4,4*4
local Up, Down, Right, Left = 'u','d','r','l'
local G_cols = {} -- goal columns
local G_rows = {} -- goa... |
http://rosettacode.org/wiki/99_bottles_of_beer | 99 bottles of beer | Task
Display the complete lyrics for the song: 99 Bottles of Beer on the Wall.
The beer song
The lyrics follow this form:
99 bottles of beer on the wall
99 bottles of beer
Take one down, pass it around
98 bottles of beer on the wall
98 bottles of beer on the wall
98 bottles of beer
Take one dow... | #Arbre | Arbre |
bottle(x):
template: '
$x bottles of beer on the wall.
$x bottles of beer.
Take one down and pass it around,
$y bottles of beer on the wall.
'
if x==0
template~{x: 'No more', y: 'No more'}
else
if x==1
template~{x: x, y: 'No more'}
else
template~{x: x, y: x-1}
bottles(n):
... |
http://rosettacode.org/wiki/24_game | 24 game | The 24 Game tests one's mental arithmetic.
Task
Write a program that randomly chooses and displays four digits, each from 1 ──► 9 (inclusive) with repetitions allowed.
The program should prompt for the player to enter an arithmetic expression using just those, and all of those four digits, used exactly once each. T... | #Factor | Factor | USING:
combinators.short-circuit
continuations
eval
formatting
fry
kernel
io
math math.ranges
prettyprint
random
sequences
sets ;
IN: 24game
: choose4 ( -- seq )
4 [ 9 [1,b] random ] replicate ;
: step ( numbers -- ? )
readln
[
parse-string
... |
http://rosettacode.org/wiki/A%2BB | A+B | A+B ─── a classic problem in programming contests, it's given so contestants can gain familiarity with the online judging system being used.
Task
Given two integers, A and B.
Their sum needs to be calculated.
Input data
Two integers are written in the input stream, separated by space(s):
(
−
1000
≤... | #Component_Pascal | Component Pascal |
MODULE AB;
IMPORT StdLog, DevCommanders,TextMappers;
PROCEDURE DoAB(x,y: INTEGER);
BEGIN
StdLog.Int(x);StdLog.Int(y);StdLog.Int(x + y);StdLog.Ln;
END DoAB;
PROCEDURE Go*;
VAR
params: DevCommanders.Par;
s: TextMappers.Scanner;
p : ARRAY 2 OF INTEGER;
... |
Subsets and Splits
Rosetta Code COBOL Python Hard Tasks
Identifies and retrieves challenging tasks that exist in both COBOL and Python, revealing cross-language programming patterns and difficulty levels for comparative analysis.
Rosetta Code Task Comparisons
Identifies tasks common to both COBOL and Python languages that are described as having difficulty levels, revealing cross-language task similarities and providing useful comparative programming examples.
Select Specific Languages Codes
Retrieves specific programming language names and codes from training data, providing basic filtering but limited analytical value beyond identifying these particular languages.