code
stringlengths
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1.18k classes
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package main import ( "fmt" "math/big" "rcu" "sort" ) func main() { primes := rcu.Primes(379) primorial := big.NewInt(1) var fortunates []int bPrime := new(big.Int) for _, prime := range primes { bPrime.SetUint64(uint64(prime)) primorial.Mul(primorial, bPrime) ...
809Fortunate numbers
0go
q3bxz
import Data.Numbers.Primes (primes) import Math.NumberTheory.Primes.Testing (isPrime) import Data.List (nub) primorials :: [Integer] primorials = 1: scanl1 (*) primes nextPrime :: Integer -> Integer nextPrime n | even n = head $ dropWhile (not . isPrime) [n+1, n+3..] | even n = nextPrime (n+1) fortunateNumbers :...
809Fortunate numbers
8haskell
m7dyf
use strict; use warnings; use List::Util <first uniq>; use ntheory qw<pn_primorial is_prime>; my $upto = 50; my @candidates; for my $p ( map { pn_primorial($_) } 1..2*$upto ) { push @candidates, first { is_prime($_ + $p) } 2..100*$upto; } my @fortunate = sort { $a <=> $b } uniq grep { is_prime $_ } @candidates; ...
809Fortunate numbers
2perl
4e95d
from sympy.ntheory.generate import primorial from sympy.ntheory import isprime def fortunate_number(n): '''Return the fortunate number for positive integer n.''' i = 3 primorial_ = primorial(n) while True: if isprime(primorial_ + i): return i i += 2 fortunate_numb...
809Fortunate numbers
3python
gwc4h
require primorials = Enumerator.new do |y| cur = prod = 1 loop {y << prod *= (cur = GMP::Z(cur).nextprime)} end limit = 50 fortunates = [] while fortunates.size < limit*2 do prim = primorials.next fortunates << (GMP::Z(prim+2).nextprime - prim) fortunates = fortunates.uniq.sort end p fortunates[0, limit]
809Fortunate numbers
14ruby
7q2ri
puts
755Hello world/Text
14ruby
700ri
fn main() { print!("Hello world!"); }
755Hello world/Text
15rust
j8872
println("Hello world!")
755Hello world/Text
16scala
bnnk6
func multiply(a, b float64) float64 { return a * b }
808Function definition
0go
icxog
def multiply = { x, y -> x * y }
808Function definition
7groovy
q3pxp
multiply x y = x * y
808Function definition
8haskell
vpy2k
SELECT 'Hello world!' text FROM dual;
755Hello world/Text
19sql
att1t
public class Math { public static int multiply( int a, int b) { return a*b; } public static double multiply(double a, double b) { return a*b; } }
808Function definition
9java
yrd6g
int main() { pid_t pid; if (!(pid = fork())) { usleep(10000); printf(); } else if (pid < 0) { err(1, ); } else { printf(, (int)pid); printf(, (int)wait(0)); } return 0; }
810Fork
5c
nlwi6
function multiply(a, b) { return a*b; }
808Function definition
10javascript
2b6lr
print("Hello world!")
755Hello world/Text
17swift
rssgg
(require '[clojure.java.shell:as shell]) (shell/sh "echo" "foo")
810Fork
6clojure
348zr
null
808Function definition
11kotlin
fv0do
package main import ( "fmt" "os" ) func main() { fmt.Printf("PID:%v\n", os.Getpid()) if len(os.Args) < 2 { fmt.Println("Done.") return } cp, err := os.StartProcess(os.Args[0], nil, &os.ProcAttr{Files: []*os.File{nil, os.Stdout}}, ) if err != nil { fmt.Pr...
810Fork
0go
rxcgm
println "BEFORE PROCESS" Process p = Runtime.runtime.exec(''' C:/cygwin/bin/sh -c " /usr/bin/date +'BEFORE LOOP:%T'; for i in 1 2 3 4; do /usr/bin/sleep 1; /usr/bin/echo \$i; done; /usr/bin/date +'AFTER LOOP:%T'" ''') p.consumeProcessOutput(System.out, System.err) (0..<8).each { Thread.sleep(500) print ...
810Fork
7groovy
vp328
import System.Posix.Process main = do forkProcess (putStrLn "This is the new process") putStrLn "This is the original process"
810Fork
8haskell
0yps7
typedef uint64_t integer; typedef struct number_names_tag { const char* cardinal; const char* ordinal; } number_names; const number_names small[] = { { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , }, { , ...
811Four is the number of letters in the ...
5c
jsl70
import java.io.IOException; import java.io.InputStreamReader; import java.io.BufferedReader; import java.util.Arrays; import java.util.List; import java.util.Map; public class RFork { public static void main(String[] args) { ProcessBuilder pb; Process pp; List<String> command; Map<String, String> en...
810Fork
9java
adr1y
package main import ( "fmt" "strings" "unicode" ) func main() { f := NewFourIsSeq() fmt.Print("The lengths of the first 201 words are:") for i := 1; i <= 201; i++ { if i%25 == 1 { fmt.Printf("\n%3d: ", i) } _, n := f.WordLen(i) fmt.Printf("%2d", n) } fmt.Println() fmt.Println("Length of sentence s...
811Four is the number of letters in the ...
0go
fvxd0
null
810Fork
11kotlin
h0vj3
import Data.Char sentence = start ++ foldMap add (zip [2..] $ tail $ words sentence) where start = "Four is the number of letters in the first word of this sentence, " add (i, w) = unwords [spellInteger (alphaLength w), "in the", spellOrdinal i ++ ", "] alphaLength w = fromIntegral $ length $ filter isAlpha...
811Four is the number of letters in the ...
8haskell
4ey5s
function multiply( a, b ) return a * b end
808Function definition
1lua
tu8fn
import java.util.HashMap; import java.util.Map; public class FourIsTheNumberOfLetters { public static void main(String[] args) { String [] words = neverEndingSentence(201); System.out.printf("Display the first 201 numbers in the sequence:%n%3d: ", 1); for ( int i = 0 ; i < words.length ; i...
811Four is the number of letters in the ...
9java
chd9h
local posix = require 'posix' local pid = posix.fork() if pid == 0 then print("child process") elseif pid > 0 then print("parent process") else error("unable to fork") end
810Fork
1lua
k8uh2
null
811Four is the number of letters in the ...
11kotlin
340z5
enum fps_type { FPS_CONST = 0, FPS_ADD, FPS_SUB, FPS_MUL, FPS_DIV, FPS_DERIV, FPS_INT, }; typedef struct fps_t *fps; typedef struct fps_t { int type; fps s1, s2; double a0; } fps_t; fps fps_new() { fps x = malloc(sizeof(fps_t)); ...
812Formal power series
5c
ad411
(defn ps+ [ps0 ps1] (letfn [(+zs [ps] (concat ps (repeat:z))) (notz? [a] (not=:z a)) (nval [a] (if (notz? a) a 0)) (z+ [a0 a1] (if (=:z a0 a1):z (+ (nval a0) (nval a1))))] (take-while notz? (map z+ (+zs ps0) (+zs ps1))))) (defn ps- [ps0 ps1] (ps+ ps0 (map - ps1)))
812Formal power series
6clojure
s6hqr
use feature 'state'; use Lingua::EN::Numbers qw(num2en num2en_ordinal); my @sentence = split / /, 'Four is the number of letters in the first word of this sentence, '; sub extend_to { my($last) = @_; state $index = 1; until ($ push @sentence, split ' ', num2en(alpha($sentence[$index])) . ' in the ...
811Four is the number of letters in the ...
2perl
pi5b0
FORK: if ($pid = fork()) { } elsif (defined($pid)) { setsid; close(STDOUT); close(STDIN); close(STDERR); open(STDOUT, '>/dev/null'); open(STDIN, '>/dev/null'); open(STDERR, '>>/home/virtual/logs/err.log'); exit; } elsif($! =~ /emporar/){ warn '[' . localti...
810Fork
2perl
z50tb
import inflect def count_letters(word): count = 0 for letter in word: if letter != ',' and letter !='-' and letter !=' ': count += 1 return count def split_with_spaces(sentence): sentence_list = [] curr_word = for c in sentence: if c == and curr_word !=...
811Four is the number of letters in the ...
3python
1n4pc
<?php $pid = pcntl_fork(); if ($pid == 0) echo ; else if ($pid > 0) echo ; else echo ; ?>
810Fork
12php
bo5k9
import os pid = os.fork() if pid > 0: else:
810Fork
3python
348zc
package main import ( "fmt" "math" )
812Formal power series
0go
m7oyi
struct NumberNames { cardinal: &'static str, ordinal: &'static str, } impl NumberNames { fn get_name(&self, ordinal: bool) -> &'static str { if ordinal { return self.ordinal; } self.cardinal } } const SMALL_NAMES: [NumberNames; 20] = [ NumberNames { card...
811Four is the number of letters in the ...
15rust
wt7e4
p <- parallel::mcparallel({ Sys.sleep(1) cat("\tChild pid: ", Sys.getpid(), "\n") TRUE }) cat("Main pid: ", Sys.getpid(), "\n") parallel::mccollect(p) p <- parallel:::mcfork() if (inherits(p, "masterProcess")) { Sys.sleep(1) cat("\tChild pid: ", Sys.getpid(), "\n") paral...
810Fork
13r
d2xnt
newtype Series a = S { coeffs :: [a] } deriving (Eq, Show) instance Num a => Num (Series a) where fromInteger n = S $ fromInteger n: repeat 0 negate (S fs) = S $ map negate fs S fs + S gs = S $ zipWith (+) fs gs S (f:ft) * S gs@(g:gt) = S $ f*g: coeffs (S ft * S gs + S (map (f*) gt)) instance Fractional a ...
812Formal power series
8haskell
k82h0
main(){ float r=7.125; printf(,-r); printf(,r); printf(,r); printf(,-r); printf(,r); printf(,r); return 0; }
813Formatted numeric output
5c
icpo2
pid = fork if pid else end
810Fork
14ruby
yri6n
1/(1+.)
812Formal power series
9java
4e658
(cl-format true "~9,3,,,'0F" 7.125)
813Formatted numeric output
6clojure
z5xtj
use nix::unistd::{fork, ForkResult}; use std::process::id; fn main() { match fork() { Ok(ForkResult::Parent { child, .. }) => { println!( "This is the original process(pid: {}). New child has pid: {}", id(), child ); } ...
810Fork
15rust
m7nya
import java.io.IOException object Fork extends App { val builder: ProcessBuilder = new ProcessBuilder() val currentUser: String = builder.environment.get("USER") val command: java.util.List[String] = java.util.Arrays.asList("ps", "-f", "-U", currentUser) builder.command(command) try { val lines = scala.i...
810Fork
16scala
lktcq
typedef char pin_t; void halfadder(IN a, IN b, OUT s, OUT c) { V(s) = XOR(V(a), V(b)); V(c) = V(a) & V(b); } void fulladder(IN a, IN b, IN ic, OUT s, OUT oc) { PIN(ps); PIN(pc); PIN(tc); halfadder(a, b, ps, pc); halfadder(ps, ic, s, tc); V(oc) = V(tc) | V(pc); } void fourbitsadder(IN a0, IN a1...
814Four bit adder
5c
vpd2o
null
812Formal power series
11kotlin
lkdcp
powerseries = setmetatable({ __add = function(z1, z2) return powerseries(function(n) return z1.coeff(n) + z2.coeff(n) end) end, __sub = function(z1, z2) return powerseries(function(n) return z1.coeff(n) - z2.coeff(n) end) end, __mul = function(z1, z2) return powerseries(function(n) local ret = 0 for i = 0, n do ...
812Formal power series
1lua
2bfl3
(ns rosettacode.adder (:use clojure.test)) (defn xor-gate [a b] (or (and a (not b)) (and b (not a)))) (defn half-adder [a b] "output: (S C)" (cons (xor-gate a b) (list (and a b)))) (defn full-adder [a b c] "output: (C S)" (let [HA-ca (half-adder c a) HA-ca->sb (half-adder (first HA-ca) b)] (c...
814Four bit adder
6clojure
rx6g2
double* fwd_diff(double* x, unsigned int len, unsigned int order) { unsigned int i, j; double* y; if (order >= len) return 0; y = malloc(sizeof(double) * len); if (!order) { memcpy(y, x, sizeof(double) * len); return y; } for (j = 0; j < order; j++, x = y) for (i = 0, len--; i < len; i++) y[i] = ...
815Forward difference
5c
9j0m1
typedef struct named_number_tag { const char* name; uint64_t number; } named_number; const named_number named_numbers[] = { { , 100 }, { , 1000 }, { , 1000000 }, { , 1000000000 }, { , 1000000000000 }, { , 1000000000000000ULL }, { , 1000000000000000000ULL } }; const named_number* ge...
816Four is magic
5c
m7qys
package FPS; use strict; use warnings; use Math::BigRat; sub new { my $class = shift; return bless {@_}, $class unless @_ == 1; my $arg = shift; return bless { more => $arg }, $class if 'CODE' eq ref $arg; return bless { coeff => $arg }, $class if 'ARRAY' eq ref $arg; bless { coeff => [$arg] }, $clas...
812Formal power series
2perl
q3jx6
(require '[clojure.edn:as edn]) (def names { 0 "zero" 1 "one" 2 "two" 3 "three" 4 "four" 5 "five" 6 "six" 7 "seven" 8 "eight" 9 "nine" 10 "ten" 11 "eleven" 12 "twelve" 13 "thirteen" 14 "fourteen" 15 "fifteen" 16 "sixteen" ...
816Four is magic
6clojure
vpi2f
(defn fwd-diff [nums order] (nth (iterate #(map - (next %) %) nums) order))
815Forward difference
6clojure
u1dvi
''' \ For a discussion on pipe() and head() see http: ''' from itertools import islice from fractions import Fraction from functools import reduce try: from itertools import izip as zip except: pass def head(n): ''' return a generator that passes through at most n items ''' return lambda seq: i...
812Formal power series
3python
s6hq9
fmt.Printf("%09.3f", 7.125)
813Formatted numeric output
0go
gw64n
printf ("%09.3f", 7.125)
813Formatted numeric output
7groovy
2bdlv
import Text.Printf main = printf "%09.3f" 7.125
813Formatted numeric output
8haskell
s6jqk
List forwardDifference(List _list) { for (int i = _list.length - 1; i > 0; i--) { _list[i] = _list[i] - _list[i - 1]; } _list.removeRange(0, 1); return _list; } void mainAlgorithms() { List _intList = [90, 47, 58, 29, 22, 32, 55, 5, 55, 73]; for (int i = _intList.length - 1; i >= 0; i--) { List _...
815Forward difference
18dart
tuafa
class Fps def initialize(const: nil, delta: nil, iota: nil, init: nil, enum: nil) case when const @coeffenum = make_const(const) when delta @coeffenum = make_delta(delta) when iota @coeffenum = make_iota(iota) when init @coeffenum ...
812Formal power series
14ruby
8mb01
package main import ( "fmt" "math" "strings" ) func main() { for _, n := range [...]int64{ 0, 4, 6, 11, 13, 75, 100, 337, -164, math.MaxInt64, } { fmt.Println(fourIsMagic(n)) } } func fourIsMagic(n int64) string { s := say(n) s = strings.ToUpper(s[:1]) + s[1:] t := s for n != 4 { n = int64(len(s)) ...
816Four is magic
0go
ad21f
module Main where import Data.List (find) import Data.Char (toUpper) firstNums :: [String] firstNums = [ "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen" ] tens :: [Stri...
816Four is magic
8haskell
z5at0
sub multiply { return $_[0] * $_[1] }
808Function definition
2perl
h05jl
public class Printing{ public static void main(String[] args){ double value = 7.125; System.out.printf("%09.3f",value);
813Formatted numeric output
9java
1nup2
var n = 123; var str = ("00000" + n).slice(-5); alert(str);
813Formatted numeric output
10javascript
q37x8
package main import "fmt" func xor(a, b byte) byte { return a&(^b) | b&(^a) } func ha(a, b byte) (s, c byte) { return xor(a, b), a & b } func fa(a, b, c0 byte) (s, c1 byte) { sa, ca := ha(a, c0) s, cb := ha(sa, b) c1 = ca | cb return } func add4(a3, a2, a1, a0, b3, b2, b1, b0 byte) (v, s3, ...
814Four bit adder
0go
s67qa
class Main { static void main(args) { def bit1, bit2, bit3, bit4, carry def fourBitAdder = new FourBitAdder( { value -> bit1 = value }, { value -> bit2 = value }, { value -> bit3 = value }, { value -> bit4 = value }, {...
814Four bit adder
7groovy
adu1p
public class FourIsMagic { public static void main(String[] args) { for ( long n : new long[] {6, 60, 89, 300, 670, 2000, 2467, 20000, 24500,200000, 230000, 246571, 2300000, 2465712, 20000000, 24657123, 230000000, 245000000, -246570000, 123456789712345l, 8777777777777777777L, Long.MAX_VALUE}) { ...
816Four is magic
9java
o9j8d
null
813Formatted numeric output
11kotlin
js97r
import Control.Arrow import Data.List (mapAccumR) bor, band :: Int -> Int -> Int bor = max band = min bnot :: Int -> Int bnot = (1-)
814Four bit adder
8haskell
9j8mo
Object.getOwnPropertyNames(this).includes('BigInt')
816Four is magic
10javascript
tu1fm
typedef struct{ int sourceVertex, destVertex; int edgeWeight; }edge; typedef struct{ int vertices, edges; edge* edgeMatrix; }graph; graph loadGraph(char* fileName){ FILE* fp = fopen(fileName,); graph G; int i; fscanf(fp,,&G.vertices,&G.edges); G.edgeMatrix = (edge*)malloc(G.edge...
817Floyd-Warshall algorithm
5c
4ed5t
function multiply( $a, $b ) { return $a * $b; }
808Function definition
12php
z5ot1
null
816Four is magic
11kotlin
xz5ws
function digits(n) return math.floor(math.log(n) / math.log(10))+1 end function fixedprint(num, digs)
813Formatted numeric output
1lua
h0cj8
null
816Four is magic
1lua
q34x0
package main import ( "fmt" "log" "os" "os/exec" ) func reverseBytes(bytes []byte) { for i, j := 0, len(bytes)-1; i < j; i, j = i+1, j-1 { bytes[i], bytes[j] = bytes[j], bytes[i] } } func check(err error) { if err != nil { log.Fatal(err) } } func main() { in, err ...
818Fixed length records
0go
8mg0g
package main import "fmt" func main() { a := []int{90, 47, 58, 29, 22, 32, 55, 5, 55, 73} fmt.Println(a) fmt.Println(fd(a, 9)) } func fd(a []int, ord int) []int { for i := 0; i < ord; i++ { for j := 0; j < len(a)-i-1; j++ { a[j] = a[j+1] - a[j] } } return a[:len(a)...
815Forward difference
0go
efua6
public class GateLogic {
814Four bit adder
9java
tuef9
null
818Fixed length records
1lua
d2hnq
forwardDifference :: Num a => [a] -> [a] forwardDifference = tail >>= zipWith (-) nthForwardDifference :: Num a => [a] -> Int -> [a] nthForwardDifference = (!!) . iterate forwardDifference main :: IO () main = mapM_ print $ take 10 (iterate forwardDifference [90, 47, 58, 29, 22, 32, 55, 5, 55, 73])
815Forward difference
8haskell
34wzj
function acceptedBinFormat(bin) { if (bin == 1 || bin === 0 || bin === '0') return true; else return bin; } function arePseudoBin() { var args = [].slice.call(arguments), len = args.length; while(len--) if (acceptedBinFormat(args[len]) !== true) throw new Error('argu...
814Four bit adder
10javascript
m70yv
int main() { int i,j; for (j=1; j<1000; j++) { for (i=0; i<j, i++) { if (exit_early()) goto out; } } out: return 0; }
819Flow-control structures
5c
q3vxc
use Lingua::EN::Numbers qw(num2en); sub cardinal { my($n) = @_; (my $en = num2en($n)) =~ s/\ and|,//g; $en; } sub magic { my($int) = @_; my $str; while () { $str .= cardinal($int) . " is "; if ($int == 4) { $str .= "magic.\n"; last } else { ...
816Four is magic
2perl
2bolf
int i, j; void fliprow(int **b, int sz, int n) { for(i = 0; i < sz; i++) b[n+1][i] = !b[n+1][i]; } void flipcol(int **b, int sz, int n) { for(i = 1; i <= sz; i++) b[i][n] = !b[i][n]; } void initt(int **t, int sz) { for(i = 1; i <= sz; i++) for(j = 0; j < sz; j++) t[i][j] = rand()%2; } void initb(int **t...
820Flipping bits game
5c
34bza
import random from collections import OrderedDict numbers = { 1: 'one', 2: 'two', 3: 'three', 4: 'four', 5: 'five', 6: 'six', 7: 'seven', 8: 'eight', 9: 'nine', 10: 'ten', 11: 'eleven', 12: 'twelve', 13: 'thirteen', 14: 'fourteen', 15: 'fifteen', 16: 's...
816Four is magic
3python
vpi29
open $in, '<', 'flr-infile.dat'; open $out, '>', 'flr-outfile.dat'; while ($n=sysread($in, $record, 80)) { syswrite $out, reverse $record; print reverse($record)."\n" } close $out;
818Fixed length records
2perl
7qtrh
infile = open('infile.dat', 'rb') outfile = open('outfile.dat', 'wb') while True: onerecord = infile.read(80) if len(onerecord) < 80: break onerecordreversed = bytes(reversed(onerecord)) outfile.write(onerecordreversed) infile.close() outfile.close()
818Fixed length records
3python
jsz7p
import java.util.Arrays; public class FD { public static void main(String args[]) { double[] a = {90, 47, 58, 29, 22, 32, 55, 5, 55, 73}; System.out.println(Arrays.toString(dif(a, 1))); System.out.println(Arrays.toString(dif(a, 2))); System.out.println(Arrays.toString(dif(a, 9))); ...
815Forward difference
9java
ickos
null
814Four bit adder
11kotlin
o9k8z
uint8_t *field[2], swapu; double prob_f = PROB_F, prob_p = PROB_P, prob_tree = PROB_TREE; enum cell_state { VOID, TREE, BURNING }; double prand() { return (double)rand() / (RAND_MAX + 1.0); } void init_field(void) { int i, j; swapu = 0; for(i = 0; i < WIDTH; i++) { for(j = 0; j < HEIGHT; j++) ...
821Forest fire
5c
rxig7
(defn cols [board] (mapv vec (apply map list board))) (defn flipv [v] (mapv #(if (> % 0) 0 1) v)) (defn flip-row [board n] (assoc board n (flipv (get board n)))) (defn flip-col [board n] (cols (flip-row (cols board) n))) (defn play-rand [board n] (if (= n 0) board (let [f (if (= (rand-int 2) 0) fl...
820Flipping bits game
6clojure
chw9b
integerToText <- function(value_n_1) { english_words_for_numbers <- list( simples = c( 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten', 'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen' ), tens = c('twent...
816Four is magic
13r
9jsmg
open(, ) do |out_f| open() do |in_f| while record = in_f.read(80) out_f << record.reverse end end end
818Fixed length records
14ruby
k86hg
(() => { 'use strict';
815Forward difference
10javascript
z5et2
use std::fs::File; use std::io::prelude::*; use std::io::{BufReader, BufWriter}; fn reverse_file( input_filename: &str, output_filename: &str, record_len: usize, ) -> std::io::Result<()> { let mut input = BufReader::new(File::open(input_filename)?); let mut output = BufWriter::new(File::create(outp...
818Fixed length records
15rust
boykx
def multiply(a, b): return a * b
808Function definition
3python
k84hf
int p(int l, int n) { int test = 0; double logv = log(2.0) / log(10.0); int factor = 1; int loop = l; while (loop > 10) { factor *= 10; loop /= 10; } while (n > 0) { int val; test++; val = (int)(factor * pow(10.0, fmod(test * logv, 1))); if (v...
822First power of 2 that has leading decimal digits of 12
5c
8mv04