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/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Comal | Comal | PROC Recursive(n) CLOSED
r:=1
IF n>1 THEN
r:=n*Recursive(n-1)
ENDIF
RETURN r
ENDPROC Recursive |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Vim_Script | Vim Script | for i in range(1, 100)
if i % 15 == 0
echo "FizzBuzz"
elseif i % 5 == 0
echo "Buzz"
elseif i % 3 == 0
echo "Fizz"
else
echo i
endif
endfor |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Modula-3 | Modula-3 | // nanoquery has no function to get just a character
// so we have to implement our own
def get_char()
c = ""
while len(c)=0
c = input()
end
return c[0]
end
// a function to handle fatal errors
def fatal_error(errtext)
println "%" + errtext
println "usage: " + args[1] + " [filename.bf]... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Octave | Octave | global target;
target = split("METHINKS IT IS LIKE A WEASEL", "");
charset = ["A":"Z", " "];
p = ones(length(charset), 1) ./ length(charset);
parent = discrete_rnd(charset, p, length(target), 1);
mutaterate = 0.1;
C = 1000;
function r = fitness(parent, target)
r = sum(parent == target) ./ length(target);
endfunct... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #NESL | NESL | function fib(n) = if n < 2 then n else fib(n - 2) + fib(n - 1); |
http://rosettacode.org/wiki/Execute_a_system_command | Execute a system command | Task
Run either the ls system command (dir on Windows), or the pause system command.
Related task
Get system command output
| #Visual_Basic_.NET | Visual Basic .NET | Module System_Command
Sub Main()
Dim cmd As New Process
cmd.StartInfo.FileName = "cmd.exe"
cmd.StartInfo.RedirectStandardInput = True
cmd.StartInfo.RedirectStandardOutput = True
cmd.StartInfo.CreateNoWindow = True
cmd.StartInfo.UseShellExecute = False
cmd.... |
http://rosettacode.org/wiki/Execute_a_system_command | Execute a system command | Task
Run either the ls system command (dir on Windows), or the pause system command.
Related task
Get system command output
| #Wart | Wart | system "ls" |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Comefrom0x10 | Comefrom0x10 | n = 5 # calculates n!
acc = 1
factorial
comefrom
comefrom accumulate if n < 1
accumulate
comefrom factorial
acc = acc * n
comefrom factorial if n is 0
n = n - 1
acc # prints the result |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Visual_Basic_.NET | Visual Basic .NET |
implement main
open core, console
class predicates
fizzbuzz : (integer) -> string procedure (i).
clauses
fizzbuzz(X) = S :- X mod 15 = 0, S = "FizzBuzz", !.
fizzbuzz(X) = S :- X mod 5 = 0, S = "Buzz", !.
fizzbuzz(X) = S :- X mod 3 = 0, S = "Fizz", !.
fizzbuzz(X) = S :- S = toString(X).
... |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Nanoquery | Nanoquery | // nanoquery has no function to get just a character
// so we have to implement our own
def get_char()
c = ""
while len(c)=0
c = input()
end
return c[0]
end
// a function to handle fatal errors
def fatal_error(errtext)
println "%" + errtext
println "usage: " + args[1] + " [filename.bf]... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Oforth | Oforth | 200 Constant new: C
5 Constant new: RATE
: randChar // -- c
27 rand dup 27 == ifTrue: [ drop ' ' ] else: [ 'A' + 1- ] ;
: fitness(a b -- n)
a b zipWith(#==) sum ;
: mutate(s -- s')
s map(#[ 100 rand RATE <= ifTrue: [ drop randChar ] ]) charsAsString ;
: evolve(target)
| parent |
ListBuffer in... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #NetRexx | NetRexx | /* NetRexx */
options replace format comments java crossref savelog symbols
numeric digits 210000 /*prepare for some big 'uns. */
parse arg x y . /*allow a single number or range.*/
if x == '' then do /*no input? Then assume -30-->+30*/
x = -30
y =... |
http://rosettacode.org/wiki/Execute_a_system_command | Execute a system command | Task
Run either the ls system command (dir on Windows), or the pause system command.
Related task
Get system command output
| #Wren | Wren | /* run_system_command.wren */
class Command {
foreign static exec(name, param) // the code for this is provided by Go
}
Command.exec("ls", "-lt")
System.print()
Command.exec("dir", "") |
http://rosettacode.org/wiki/Execute_a_system_command | Execute a system command | Task
Run either the ls system command (dir on Windows), or the pause system command.
Related task
Get system command output
| #x86_Assembly | x86 Assembly |
; Executes '/bin/ls'
; Build with:
; nasm -felf32 execls.asm
; ld -m elf_i386 execls.o -o execls
global _start
section .text
_start:
mov eax, 0x0B ; sys_execve(char *str, char **args, char **envp)
mov ebx, .path ; pathname
push DWORD 0
push DWORD .path
lea ecx, [esp] ; arg... |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Common_Lisp | Common Lisp | (defun factorial (n)
(if (zerop n) 1 (* n (factorial (1- n))))) |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Visual_Prolog | Visual Prolog |
implement main
open core, console
class predicates
fizzbuzz : (integer) -> string procedure (i).
clauses
fizzbuzz(X) = S :- X mod 15 = 0, S = "FizzBuzz", !.
fizzbuzz(X) = S :- X mod 5 = 0, S = "Buzz", !.
fizzbuzz(X) = S :- X mod 3 = 0, S = "Fizz", !.
fizzbuzz(X) = S :- S = toString(X).
... |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Never | Never |
record BFI
{
cmd : char;
next : BFI;
jmp : BFI;
}
record MEM
{
val : int;
next : MEM;
prev : MEM;
}
func compile(prog : string) -> BFI
{
var i = 0;
var n = BFI;
var p = BFI;
var j = BFI;
var pgm = BFI;
for (i = 0; i < length(prog); i = i + 1) {
n = BFI('0'... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #OoRexx | OoRexx |
/* Weasel.rex - Me thinks thou art a weasel. - G,M.D. - 2/25/2011 */
arg C M
/* C is the number of children parent produces each generation. */
/* M is the mutation rate of each gene (character) */
call initialize
generation = 0
do until parent = target
most_fitness = fitness(parent)
most_fit = parent
... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #NewLISP | NewLISP | (define (fibonacci n)
(let (L '(0 1))
(dotimes (i n)
(setq L (list (L 1) (apply + L))))
(L 1)) )
|
http://rosettacode.org/wiki/Execute_a_system_command | Execute a system command | Task
Run either the ls system command (dir on Windows), or the pause system command.
Related task
Get system command output
| #Yabasic | Yabasic | system("dir")
//It will return the exit code of the command; its output (if any) will be lost.
print system$("dir")
//Returns the output as a large string. |
http://rosettacode.org/wiki/Execute_a_system_command | Execute a system command | Task
Run either the ls system command (dir on Windows), or the pause system command.
Related task
Get system command output
| #zkl | zkl | System.cmd(System.isWindows and "dir" or "ls") |
http://rosettacode.org/wiki/Execute_a_system_command | Execute a system command | Task
Run either the ls system command (dir on Windows), or the pause system command.
Related task
Get system command output
| #ZX_Spectrum_Basic | ZX Spectrum Basic | PAUSE 100 |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Computer.2Fzero_Assembly | Computer/zero Assembly | LDA x
BRZ done_i ; 0! = 1
STA i
loop_i: LDA fact
STA n
LDA i
SUB one
BRZ done_i
STA j
loop_j: LDA fact
ADD n
STA fact
LDA j
SUB one
BRZ done_j
STA j
JMP loop_j
done_... |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Vlang | Vlang | const (
fizz = Tuple{true, false}
buzz = Tuple{false, true}
fizzbuzz = Tuple{true, true}
)
struct Tuple{
val1 bool
val2 bool
}
fn fizz_or_buzz( val int ) Tuple {
return Tuple{ val % 3 == 0, val % 5 == 0 }
}
fn fizzbuzz( n int ) {
for i in 1..(n + 1) {
match fizz_or_buzz(i) {
... |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #NewLISP | NewLISP |
; This module translates a string containing a
; Brainf*** program into a list of NewLISP expressions.
; Attempts to optimize consecutive +, -, > and < operations
; as well as bracket loops.
; Create a namespace and put the following definitions in it
(context 'BF)
; If BF:quiet is true, BF:run will return the ... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #OxygenBasic | OxygenBasic |
'EVOLUTION
target="METHINKS IT IS LIKE A WEASEL"
le=len target
progeny=string le,"X"
quad seed
declare QueryPerformanceCounter lib "kernel32.dll" (quad*q)
QueryPerformanceCounter seed
Function Rand(sys max) as sys
mov eax,max
inc eax
imul edx,seed,0x8088405
inc edx
mov seed,edx
mul ... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #NGS | NGS | F fib(n:Int) {
n < 2 returns n
local a = 1, b = 1
# i is automatically local because of for()
for(i=2; i<n; i=i+1) {
local next = a + b
a = b
b = next
}
b
} |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Crystal | Crystal | def factorial(x : Int)
ans = 1
(1..x).each do |i|
ans *= i
end
return ans
end |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #VTL-2 | VTL-2 | 10 N=1
20 #=30
30 #=N/3*0+%=0*110
40 #=N/5*0+%=0*130
50 #=!+30
60 ?=N
70 ?=""
80 N=N+1
90 #=100>N*20
100 #=999
110 ?="Fizz";
120 #=!
130 ?="Buzz";
140 #=!
180 #=70 |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Nim | Nim | import os
var
code = if paramCount() > 0: readFile paramStr 1
else: readAll stdin
tape = newSeq[char]()
d = 0
i = 0
proc run(skip = false): bool =
while d >= 0 and i < code.len:
if d >= tape.len: tape.add '\0'
if code[i] == '[':
inc i
let p = i
while run(tape[d] ... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Oz | Oz | declare
Target = "METHINKS IT IS LIKE A WEASEL"
C = 100
MutateRate = 5 %% percent
proc {Main}
X0 = {MakeN {Length Target} RandomChar}
in
for Xi in {Iterate Evolve X0} break:Break do
{System.showInfo Xi}
if Xi == Target then {Break} end
end
end
fun {Evolve Xi}
Copies... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Nial | Nial | fibi is op n {
if n<2 then
n
else
x1:=0; x2:=1;
for i with tell (n - 1) do
x:=x1+x2;
x1:=x2;
x2:=x;
endfor;
x2
endif}; |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #D | D | uint factorial(in uint n) pure nothrow @nogc
in {
assert(n <= 12);
} body {
uint result = 1;
foreach (immutable i; 1 .. n + 1)
result *= i;
return result;
}
// Computed and printed at compile-time.
pragma(msg, 12.factorial);
void main() {
import std.stdio;
// Computed and printed a... |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Wart | Wart | for i 1 (i <= 100) ++i
prn (if (divides i 15)
"FizzBuzz"
(divides i 3)
"Fizz"
(divides i 5)
"Buzz"
:else
i) |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Objeck | Objeck | class Brainfu_k {
@program : String; @mem : Int[];
@ip : Int; @dp : Int;
New(program : String, size : Int) {
@program := program;
@mem := Int → New[size];
}
function : Main(args : String[]) ~ Nil {
if(args → Size() = 2) {
Brainfu_k → New(args[0], args[1] → ToInt()) → Execute();
};... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #PARI.2FGP | PARI/GP | target="METHINKS IT IS LIKE A WEASEL";
fitness(s)=-dist(Vec(s),Vec(target));
dist(u,v)=sum(i=1,min(#u,#v),u[i]!=v[i])+abs(#u-#v);
letter()=my(r=random(27)); if(r==26, " ", Strchr(r+65));
insert(v,x=letter())=
{
my(r=random(#v+1));
if(r==0, return(concat([x],v)));
if(r==#v, return(concat(v,[x])));
concat(concat(v[1.... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Nim | Nim | proc Fibonacci(n: int): int64 =
var fn = float64(n)
var p: float64 = (1.0 + sqrt(5.0)) / 2.0
var q: float64 = 1.0 / p
return int64((pow(p, fn) + pow(q, fn)) / sqrt(5.0)) |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Dart | Dart | int fact(int n) {
if(n<0) {
throw new IllegalArgumentException('Argument less than 0');
}
return n==0 ? 1 : n*fact(n-1);
}
main() {
print(fact(10));
print(fact(-1));
} |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #WDTE | WDTE | let io => import 'io';
let s => import 'stream';
let multiple of n => == (% n of) 0;
let fizzbuzz n => switch n {
multiple (* 3 5) => 'FizzBuzz';
multiple 3 => 'Fizz';
multiple 5 => 'Buzz';
default => n;
} -- io.writeln io.stdout;
s.range 1 101 -> s.map fizzbuzz -> s.drain; |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #OCaml | OCaml |
(define (bf program stack-length)
(let ((program (string-append program "]")); end
(program-counter 0)
(stack (make-bytevector stack-length 0))
(stack-pointer 0))
(letrec ((skip (lambda (PC sp in)
(let loop ((pc PC) (sp sp) (in in))
... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Pascal | Pascal | PROGRAM EVOLUTION (OUTPUT);
CONST
TARGET = 'METHINKS IT IS LIKE A WEASEL';
COPIES = 100; (* 100 children in each generation. *)
RATE = 1000; (* About one character in 1000 will be a mutation. *)
TYPE
STRLIST = ARRAY [1..COPIES] OF STRING;
FUNCTION RANDCHAR : CHAR;
(* Generate a random letter or space. *)
... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Nix | Nix | fibonacci = n:
if n <= 1 then n else (fibonacci (n - 1) + fibonacci (n - 2)); |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #dc | dc | [*
* (n) lfx -- (factorial of n)
*]sz
[
1 Sp [product = 1]sz
[ [Loop while 1 < n:]sz
d lp * sp [product = n * product]sz
1 - [n = n - 1]sz
d 1 <f
]Sf d 1 <f
Lfsz [Drop loop.]sz
sz [Drop n.]sz
Lp [Push product.]sz
]sf
[*
* For exam... |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Whitespace | Whitespace | @each &x!console.log x !*&x?{%%x 15 "FizzBuzz" %%x 5 "Buzz" %%x 3 "Fizz" x} @to 100 |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Ol | Ol |
(define (bf program stack-length)
(let ((program (string-append program "]")); end
(program-counter 0)
(stack (make-bytevector stack-length 0))
(stack-pointer 0))
(letrec ((skip (lambda (PC sp in)
(let loop ((pc PC) (sp sp) (in in))
... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Perl | Perl | use List::Util 'reduce';
use List::MoreUtils 'false';
### Generally useful declarations
sub randElm
{$_[int rand @_]}
sub minBy (&@)
{my $f = shift;
reduce {$f->($b) < $f->($a) ? $b : $a} @_;}
sub zip
{@_ or return ();
for (my ($n, @a) = 0 ;; ++$n)
{my @row;
foreach (@_)
{$n < @$_ or ret... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Oberon-2 | Oberon-2 |
MODULE Fibonacci;
IMPORT
Out := NPCT:Console;
PROCEDURE Fibs(VAR r: ARRAY OF LONGREAL);
VAR
i: LONGINT;
BEGIN
r[0] := 1.0; r[1] := 1.0;
FOR i := 2 TO LEN(r) - 1 DO
r[i] := r[i - 2] + r[i - 1];
END
END Fibs;
PROCEDURE FibsR(n: LONGREAL): LONGREAL;
BEGIN
IF n < 2. THEN
RETURN n
ELSE
RETURN... |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Delphi | Delphi | program Factorial1;
{$APPTYPE CONSOLE}
function FactorialIterative(aNumber: Integer): Int64;
var
i: Integer;
begin
Result := 1;
for i := 1 to aNumber do
Result := i * Result;
end;
begin
Writeln('5! = ', FactorialIterative(5));
end. |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Wortel | Wortel | @each &x!console.log x !*&x?{%%x 15 "FizzBuzz" %%x 5 "Buzz" %%x 3 "Fizz" x} @to 100 |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #PARI.2FGP | PARI/GP | BF(prog)={
prog=Vec(Str(prog));
my(codeptr,ptr=1,v=vector(1000),t);
while(codeptr++ <= #prog,
t=prog[codeptr];
if(t=="+",
v[ptr]++
,
if(t=="-",
v[ptr]--
,
if(t==">",
ptr++
,
if(t=="<",
ptr--
,
if(t=="[" && !v[ptr],
t=1;
while(t,
if(prog[code... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Phix | Phix | with javascript_semantics
constant target = "METHINKS IT IS LIKE A WEASEL",
AZS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ ",
C = 5000, -- children in each generation
P = 15 -- probability of mutation (1 in 15)
function fitness(string sample, string target)
return sum(sq_eq(sample,target))
e... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Objeck | Objeck | bundle Default {
class Fib {
function : Main(args : String[]), Nil {
for(i := 0; i <= 10; i += 1;) {
Fib(i)->PrintLine();
};
}
function : native : Fib(n : Int), Int {
if(n < 2) {
return n;
};
return Fib(n-1) + Fib(n-2);
}
}
} |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Draco | Draco | /* Note that ulong is 32 bits, so fac(12) is the largest
* supported value. This is why the input parameter
* is a byte. The parameters are all unsigned. */
proc nonrec fac(byte n) ulong:
byte i;
ulong rslt;
rslt := 1;
for i from 2 upto n do
rslt := rslt * i
od;
rslt
corp
proc nonre... |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Wren | Wren | for (i in 1..100) {
if (i % 15 == 0) {
System.print("FizzBuzz")
} else if (i % 3 == 0) {
System.print("Fizz")
} else if (i % 5 == 0) {
System.print("Buzz")
} else {
System.print(i)
}
} |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Pascal | Pascal |
program rcExceuteBrainF;
uses
Crt;
Const
DataSize= 1024; // Size of Data segment
MaxNest= 1000; // Maximum nesting depth of []
procedure ExecuteBF(Source: string);
var
Dp: pByte; // Used as the Data Pointer
DataSeg:... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #PHP | PHP |
define('TARGET','METHINKS IT IS LIKE A WEASEL');
define('TBL','ABCDEFGHIJKLMNOPQRSTUVWXYZ ');
define('MUTATE',15);
define('COPIES',30);
define('TARGET_COUNT',strlen(TARGET));
define('TBL_COUNT',strlen(TBL));
// Determine number of different chars between a and b
function unfitness($a,$b)
{
$sum=0;
... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Objective-C | Objective-C | -(long)fibonacci:(int)position
{
long result = 0;
if (position < 2) {
result = position;
} else {
result = [self fibonacci:(position -1)] + [self fibonacci:(position -2)];
}
return result;
} |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Dragon | Dragon | select "std"
factorial = 1
n = readln()
for(i=1,i<=n,++i)
{
factorial = factorial * i
}
showln "factorial of " + n + " is " + factorial
|
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #X86_Assembly | X86 Assembly |
; x86_64 linux nasm
section .bss
number resb 4
section .data
fizz: db "Fizz"
buzz: db "Buzz"
newLine: db 10
section .text
global _start
_start:
mov rax, 1 ; initialize counter
loop:
push rax
call fizzBuzz
pop rax
inc rax
cmp rax, 100
jle loop
mov rax, 60
mov rdi, 0
... |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Perl | Perl | #!/usr/bin/perl
my %code = split ' ', <<'END';
> $ptr++
< $ptr--
+ $memory[$ptr]++
- $memory[$ptr]--
, $memory[$ptr]=ord(getc)
. print(chr($memory[$ptr]))
[ while($memory[$ptr]){
] }
END
my ($ptr, @memory) = 0;
eval join ';', map @code{ /./g }, <>; |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Picat | Picat | go =>
_ = random2(),
Target = "METHINKS IT IS LIKE A WEASEL",
Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ ",
C = 50, % Population size in each generation
M = 80, % Mutation rate per individual in a generation (0.8)
evo(Target,Chars,C,M),
nl.
evo(Target,Chars,C,M) =>
if member(T,Target), not member(T, ... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #OCaml | OCaml | let fib_iter n =
if n < 2 then
n
else let fib_prev = ref 1
and fib = ref 1 in
for num = 2 to n - 1 do
let temp = !fib in
fib := !fib + !fib_prev;
fib_prev := temp
done;
!fib |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #DWScript | DWScript | function IterativeFactorial(n : Integer) : Integer;
var
i : Integer;
begin
Result := 1;
for i := 2 to n do
Result *= i;
end; |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #XLISP | XLISP | (defun fizzbuzz ()
(defun fizzb (x y)
(display (cond
((= (mod x 3) (mod x 5) 0) "FizzBuzz")
((= (mod x 3) 0) "Fizz")
((= (mod x 5) 0) "Buzz")
(t x)))
(newline)
(if (< x y)
(fizzb (+ x 1) y)))
(fizzb 1 100))
(fizzbuzz) |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Phix | Phix | procedure bfi(string pgm)
sequence jumptable = repeat(0,length(pgm)),
loopstack = {},
data = repeat(0,10) -- size??
integer skip = 0, ch, loopstart, pc, dp
--
-- compile (pack/strip comments and link jumps)
--
for i=1 to length(pgm) do
ch = pgm[i]
switch ch do
... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #PicoLisp | PicoLisp | (load "@lib/simul.l")
(setq *Target (chop "METHINKS IT IS LIKE A WEASEL"))
# Generate random character
(de randChar ()
(if (=0 (rand 0 26))
" "
(char (rand `(char "A") `(char "Z"))) ) )
# Fitness function (Hamming distance)
(de fitness (A)
(cnt = A *Target) )
# Genetic algorithm
(gen
(make ... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Octave | Octave | % recursive
function fibo = recfibo(n)
if ( n < 2 )
fibo = n;
else
fibo = recfibo(n-1) + recfibo(n-2);
endif
endfunction |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Dyalect | Dyalect | func factorial(n) {
if n < 2 {
1
} else {
n * factorial(n - 1)
}
} |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #XMIDAS | XMIDAS | startmacro
loop 100 count
calc/quiet three ^count 3 modulo
calc/quiet five ^count 5 modulo
if ^three eq 0 and ^five eq 0
say "fizzbuzz"
elseif ^three eq 0
say "fizz"
elseif ^five eq 0
say "buzz"
else
say ^count
endif
endloop
endmacro |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #PHP | PHP | <?php
function brainfuck_interpret(&$s, &$_s, &$d, &$_d, &$i, &$_i, &$o) {
do {
switch($s[$_s]) {
case '+': $d[$_d] = chr(ord($d[$_d]) + 1); break;
case '-': $d[$_d] = chr(ord($d[$_d]) - 1); break;
case '>': $_d++; if(!isset($d[$_d])) $d[$_d] = chr(0); break;
case '<': $_d--; break;
... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Pike | Pike | string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ ";
string mutate(string data, int rate)
{
array(int) alphabet=(array(int))chars;
multiset index = (multiset)enumerate(sizeof(data));
while(rate)
{
int pos = random(index);
data[pos]=random(alphabet);
rate--;
}
return data;
}
... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Oforth | Oforth | : fib 0 1 rot #[ tuck + ] times drop ; |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #Dylan | Dylan |
define method factorial (n)
if (n < 1)
error("invalid argument");
else
reduce1(\*, range(from: 1, to: n))
end
end method;
|
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Xojo | Xojo | For i As Integer = 1 To 100
If i Mod 3 = 0 And i Mod 5 = 0 Then
Print("FizzBuzz")
ElseIf i Mod 3 = 0 Then
Print("Fizz")
ElseIf i Mod 5 = 0 Then
Print("Buzz")
Else
Print(Str(i))
End If
Next |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #PicoLisp | PicoLisp | (off "Program")
(de compile (File)
(let Stack NIL
(setq "Program"
(make
(in File
(while (char)
(case @
(">"
(link
'(setq Data
(or
... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Pony | Pony | use "random"
actor Main
let _env: Env
let _rand: MT = MT // Mersenne Twister
let _target: String = "METHINKS IT IS LIKE A WEASEL"
let _possibilities: String = "ABCDEFGHIJKLMNOPQRSTUVWXYZ "
let _c: U16 = 100 // number of spawn per generation
let _min_mutate_rate: F64 = 0.09
let _perfect_fitness: USize = ... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Ol | Ol | FIBON:
REM Fibonacci sequence is generated to the Organiser II floating point variable limit.
REM CLEAR/ON key quits.
REM Mikesan - http://forum.psion2.org/
LOCAL A,B,C
A=1 :B=1 :C=1
PRINT A,
DO
C=A+B
A=B
B=C
PRINT A,
UNTIL GET=1 |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #D.C3.A9j.C3.A0_Vu | Déjà Vu | factorial:
1
while over:
* over
swap -- swap
drop swap |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #XPath_2.0 | XPath 2.0 | for $n in 1 to 100 return
concat('fizz'[not($n mod 3)], 'buzz'[not($n mod 5)], $n[$n mod 15 = (1,2,4,7,8,11,13,14)]) |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #PL.2FM | PL/M | 100H:
/* CP/M BDOS CALLS */
BDOS: PROCEDURE (FN, ARG) BYTE;
DECLARE FN BYTE, ARG ADDRESS;
GO TO 5;
END BDOS;
READ$CHAR: PROCEDURE BYTE; RETURN BDOS(1, 0); END READ$CHAR;
WRITE$CHAR: PROCEDURE (CHAR); DECLARE CHAR BYTE;
CHAR = BDOS(2, CHAR); END WRITE$CHAR;
PRINT: PROCEDURE (STRING); DECLARE STRING ADDRE... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Prolog | Prolog | target("METHINKS IT IS LIKE A WEASEL").
rndAlpha(64, 32). % Generate a single random character
rndAlpha(P, P). % 32 is a space, and 65->90 are upper case
rndAlpha(Ch) :- random(N), P is truncate(64+(N*27)), !, rndAlpha(P, Ch).
rndTxt(0, []). % Generate some random text (fixed length)
rndTxt(Len, [H... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #OPL | OPL | FIBON:
REM Fibonacci sequence is generated to the Organiser II floating point variable limit.
REM CLEAR/ON key quits.
REM Mikesan - http://forum.psion2.org/
LOCAL A,B,C
A=1 :B=1 :C=1
PRINT A,
DO
C=A+B
A=B
B=C
PRINT A,
UNTIL GET=1 |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #E | E | pragma.enable("accumulator")
def factorial(n) {
return accum 1 for i in 2..n { _ * i }
} |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #XPL0 | XPL0 | code CrLf=9, IntOut=11, Text=12;
int N;
[for N:= 1 to 100 do
[if rem(N/3)=0 then Text(0,"Fizz");
if rem(N/5)=0 then Text(0,"Buzz")
else if rem(N/3)#0 then IntOut(0,N);
CrLf(0);
];
] |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Pointless | Pointless | -- Code based on
-- https://github.com/allisio/pointless/blob/master/lib/examples/brainfuck.ptls
output =
iterate(run, vm)
|> takeUntil(isFinished)
|> map(vm => vm.outVal)
|> filter(notEq(None))
|> map(char)
|> printElems
----------------------------------------------------------
vm = VM {
ip = 0
... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #PureBasic | PureBasic | Define population = 100, mutationRate = 6
Define.s target$ = "METHINKS IT IS LIKE A WEASEL"
Define.s charSet$ = "ABCDEFGHIJKLMNOPQRSTUVWXYZ "
Procedure.i fitness(Array aspirant.c(1), Array target.c(1))
Protected i, len, fit
len = ArraySize(aspirant())
For i = 0 To len
If aspirant(i) = target(i): fit +1: En... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Order | Order | #include <order/interpreter.h>
#define ORDER_PP_DEF_8fib_rec \
ORDER_PP_FN(8fn(8N, \
8if(8less(8N, 2), \
8N, \
8add(8fib_rec(8sub(8N, 1)), \
8f... |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #EasyLang | EasyLang | func factorial n . r .
r = 1
i = 2
while i <= n
r = r * i
i += 1
.
.
call factorial 7 r
print r |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #XSLT | XSLT | <?xml version="1.0" encoding="utf-8" ?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="text" encoding="utf-8"/>
<!-- Outputs a line for a single FizzBuzz iteration. -->
<xsl:template name="fizzbuzz-single">
<xsl:param name="n"/>
<!-- $s will be "", "Fizz",... |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Potion | Potion | # Where `code` is a string.
bf = (code) :
tape = (0)
tape_pos = 0
brackets = ()
i = -1
while (++i < code length) :
if (code(i) == ">"): if (++tape_pos == tape length): tape append(0)..
elsif (code(i) == "<"): tape_pos--.
elsif (code(i) == "+"): tape(tape_pos) = tape(tape_pos) + 1.
... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #Python | Python | from string import letters
from random import choice, random
target = list("METHINKS IT IS LIKE A WEASEL")
charset = letters + ' '
parent = [choice(charset) for _ in range(len(target))]
minmutaterate = .09
C = range(100)
perfectfitness = float(len(target))
def fitness(trial):
'Sum of matching chars by posi... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #Oz | Oz | fun{FibI N}
Temp = {NewCell 0}
A = {NewCell 0}
B = {NewCell 1}
in
for I in 1..N do
Temp := @A + @B
A := @B
B := @Temp
end
@A
end |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #EchoLisp | EchoLisp |
(define (fact n)
(for/product ((f (in-range 2 (1+ n)))) f))
(fact 10)
→ 3628800
|
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Yabasic | Yabasic | for(i = 1; i <= 100; i++) {
if(i % 3 == 0)
write, format="%s", "Fizz";
if(i % 5 == 0)
write, format="%s", "Buzz";
if(i % 3 && i % 5)
write, format="%d", i;
write, "";
} |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #Prolog | Prolog | /******************************************
Starting point, call with program in atom.
*******************************************/
brain(Program) :-
atom_chars(Program, Instructions),
process_bf_chars(Instructions).
brain_from_file(File) :- % or from file...
read_file_to_codes(File, Codes, []),
maplist(char_cod... |
http://rosettacode.org/wiki/Evolutionary_algorithm | Evolutionary algorithm | Starting with:
The target string: "METHINKS IT IS LIKE A WEASEL".
An array of random characters chosen from the set of upper-case letters together with the space, and of the same length as the target string. (Call it the parent).
A fitness function that computes the ‘closeness’ of its argument to the target string.... | #R | R | set.seed(1234, kind="Mersenne-Twister")
## Easier if the string is a character vector
target <- unlist(strsplit("METHINKS IT IS LIKE A WEASEL", ""))
charset <- c(LETTERS, " ")
parent <- sample(charset, length(target), replace=TRUE)
mutaterate <- 0.01
## Number of offspring in each generation
C <- 100
## Hammi... |
http://rosettacode.org/wiki/Fibonacci_sequence | Fibonacci sequence | The Fibonacci sequence is a sequence Fn of natural numbers defined recursively:
F0 = 0
F1 = 1
Fn = Fn-1 + Fn-2, if n>1
Task
Write a function to generate the nth Fibonacci number.
Solutions can be iterative or recursive (though recursive solutions are generally considered too slow ... | #PARI.2FGP | PARI/GP | fibonocci(n) |
http://rosettacode.org/wiki/Factorial | Factorial | Definitions
The factorial of 0 (zero) is defined as being 1 (unity).
The Factorial Function of a positive integer, n, is defined as the product of the sequence:
n, n-1, n-2, ... 1
Task
Write a function to return the factorial of a number.
Solutions can be iterat... | #EGL | EGL |
function fact(n int in) returns (bigint)
if (n < 0)
writestdout("No negative numbers");
return (0);
end
ans bigint = 1;
for (i int from 1 to n)
ans *= i;
end
return (ans);
end
|
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Yorick | Yorick | for(i = 1; i <= 100; i++) {
if(i % 3 == 0)
write, format="%s", "Fizz";
if(i % 5 == 0)
write, format="%s", "Buzz";
if(i % 3 && i % 5)
write, format="%d", i;
write, "";
} |
http://rosettacode.org/wiki/Execute_Brain**** | Execute Brain**** | Execute Brain**** is an implementation of Brainf***.
Other implementations of Brainf***.
RCBF is a set of Brainf*** compilers and interpreters written for Rosetta Code in a variety of languages.
Below are links to each of the versions of RCBF.
An implementation need only properly implement the following instructions:... | #PureBasic | PureBasic | [ stack ] is switch.arg ( --> [ )
[ switch.arg put ] is switch ( x --> )
[ switch.arg release ] is otherwise ( --> )
[ switch.arg share != iff ]else[ done
otherwise ]'... |
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