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/Deconvolution/2D%2B | Deconvolution/2D+ | This task is a straightforward generalization of Deconvolution/1D to higher dimensions. For example, the one dimensional case would be applicable to audio signals, whereas two dimensions would pertain to images. Define the discrete convolution in
d
{\displaystyle {\mathit {d}}}
dimensions of two functions
... | #Tcl | Tcl | package require Tcl 8.5
namespace path {::tcl::mathfunc ::tcl::mathop}
# Utility to extract the number of dimensions of a matrix
proc rank m {
for {set rank 0} {[llength $m] > 1} {incr rank} {
set m [lindex $m 0]
}
return $rank
}
# Utility to get the size of a matrix, as a list of lengths
proc size m {... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #F.C5.8Drmul.C3.A6 | Fōrmulæ | package main
import (
"fmt"
"math"
"math/rand"
"os"
"strconv"
"time"
)
const sSuits = "CDHS"
const sNums = "A23456789TJQK"
const rMax32 = math.MaxInt32
var seed = 1
func rnd() int {
seed = (seed*214013 + 2531011) & rMax32
return seed >> 16
}
func deal(s int) []int {
seed = ... |
http://rosettacode.org/wiki/De_Bruijn_sequences | de Bruijn sequences | The sequences are named after the Dutch mathematician Nicolaas Govert de Bruijn.
A note on Dutch capitalization: Nicolaas' last name is de Bruijn, the de isn't normally capitalized
unless it's the first word in a sentence. Rosetta Code (more or less by default or by fiat) requires the first word in the... | #Python | Python |
# from https://en.wikipedia.org/wiki/De_Bruijn_sequence
def de_bruijn(k, n):
"""
de Bruijn sequence for alphabet k
and subsequences of length n.
"""
try:
# let's see if k can be cast to an integer;
# if so, make our alphabet a list
_ = int(k)
alphabet = list(map(s... |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #Modula-3 | Modula-3 | TYPE MyInt = [1..10]; |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #Nim | Nim | type
MyInt = range[1..10]
var x: MyInt = 5
x = x + 6 # Runtime error: unhandled exception: value out of range: 11 notin 1 .. 10 [RangeDefect]
x = 12 # Compile-time error: conversion from int literal(12) to MyInt is invalid |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #POV-Ray | POV-Ray | camera { perspective location <0.0 , .8 ,-3.0> look_at 0
aperture .1 blur_samples 20 variance 1/100000 focal_point 0}
light_source{< 3,3,-3> color rgb 1}
sky_sphere { pigment{ color rgb <0,.2,.5>}}
plane {y,-5 pigment {color rgb .54} normal {hexagon} }
difference {
sphere { 0,1 }
sphere { <-1,1,-1>,... |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #Python | Python | import sys, math, collections
Sphere = collections.namedtuple("Sphere", "cx cy cz r")
V3 = collections.namedtuple("V3", "x y z")
def normalize((x, y, z)):
len = math.sqrt(x**2 + y**2 + z**2)
return V3(x / len, y / len, z / len)
def dot(v1, v2):
d = v1.x*v2.x + v1.y*v2.y + v1.z*v2.z
return -d if d ... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #ALGOL_68 | ALGOL 68 | # example from: http://www.xs4all.nl/~jmvdveer/algol.html - GPL #
INT sun=0 # , mon=1, tue=2, wed=3, thu=4, fri=5, sat=6 #;
PROC day of week = (INT year, month, day) INT: (
# Day of the week by Zeller’s Congruence algorithm from 1887 #
INT y := year, m := month, d := day, c;
IF m <= 2 THEN
m +:= 12; y -:= 1... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #ALGOL_68 | ALGOL 68 | BEGIN # show cyclops numbers - numbers with a 0 in the middle and no other 0 digits #
INT max prime = 100 000;
# sieve the primes to max prime #
PR read "primes.incl.a68" PR
[]BOOL prime = PRIMESIEVE max prime;
# returns TRUE if c is prime, FALSE otherwise #
PROC have a prime = ( INT c )BOOL:
... |
http://rosettacode.org/wiki/Deconvolution/2D%2B | Deconvolution/2D+ | This task is a straightforward generalization of Deconvolution/1D to higher dimensions. For example, the one dimensional case would be applicable to audio signals, whereas two dimensions would pertain to images. Define the discrete convolution in
d
{\displaystyle {\mathit {d}}}
dimensions of two functions
... | #Ursala | Ursala | #import std
#import nat
break = ~&r**+ zipt*+ ~&lh*~+ ~&lzyCPrX|\+ -*^|\~&tK33 :^/~& 0!*t
band = pad0+ ~&rSS+ zipt^*D(~&r,^lrrSPT/~<K33tx zipt^/~&r ~&lSNyCK33+ zipp0)^/~&rx ~&B->NlNSPC ~&bt
deconv = # takes a natural number n to the n-dimensional deconvolution function
~&?\math..div! iota; ~&!*; @h|\; (~&al^?... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #Go | Go | package main
import (
"fmt"
"math"
"math/rand"
"os"
"strconv"
"time"
)
const sSuits = "CDHS"
const sNums = "A23456789TJQK"
const rMax32 = math.MaxInt32
var seed = 1
func rnd() int {
seed = (seed*214013 + 2531011) & rMax32
return seed >> 16
}
func deal(s int) []int {
seed = ... |
http://rosettacode.org/wiki/De_Bruijn_sequences | de Bruijn sequences | The sequences are named after the Dutch mathematician Nicolaas Govert de Bruijn.
A note on Dutch capitalization: Nicolaas' last name is de Bruijn, the de isn't normally capitalized
unless it's the first word in a sentence. Rosetta Code (more or less by default or by fiat) requires the first word in the... | #Racket | Racket | #lang racket
(define (de-bruijn k n)
(define a (make-vector (* k n) 0))
(define seq '())
(define (db t p)
(cond
[(> t n) (when (= (modulo n p) 0)
(set! seq (cons (call-with-values
(thunk (vector->values a 1 (add1 p)))
... |
http://rosettacode.org/wiki/De_Bruijn_sequences | de Bruijn sequences | The sequences are named after the Dutch mathematician Nicolaas Govert de Bruijn.
A note on Dutch capitalization: Nicolaas' last name is de Bruijn, the de isn't normally capitalized
unless it's the first word in a sentence. Rosetta Code (more or less by default or by fiat) requires the first word in the... | #Raku | Raku | # Generate the sequence
my $seq;
for ^100 {
my $a = .fmt: '%02d';
next if $a.substr(1,1) < $a.substr(0,1);
$seq ~= ($a.substr(0,1) == $a.substr(1,1)) ?? $a.substr(0,1) !! $a;
for +$a ^..^ 100 {
next if .fmt('%02d').substr(1,1) <= $a.substr(0,1);
$seq ~= sprintf "%s%02d", $a, $_ ;
}... |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #OCaml | OCaml | exception Out_of_bounds
type 'a bounds = { min: 'a; max: 'a }
type 'a bounded = { value: 'a; bounds: 'a bounds }
let mk_bounds ~min ~max = { min=min; max=max } ;;
(** val mk_bounds : min:'a -> max:'a -> 'a bounds *)
let check_bounds ~value ~bounds =
if value < bounds.min || value > bounds.max then
raise O... |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #Q | Q |
/ https://en.wikipedia.org/wiki/BMP_file_format
/ BITMAPINFOHEADER / RGB24
/ generate a header
genheader:{[w;h]
0x424d, "x"$(f2i4[54+4*h*w],0,0,0,0,54,0,0,0,40,0,0,0,
f2i4[h],f2i4[w],1,0,24,0,0,0,0,0,
f2i4[h*((w*3)+((w*3)mod 4))],
19,11,0,0,19,11,0,0,0,0,0,0,0,0,... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #ALGOL_W | ALGOL W | begin % find years where Christmas day falls on a Sunday %
integer procedure Day_of_week ( integer value d, m, y );
begin
integer j, k, mm, yy;
mm := m;
yy := y;
if mm <= 2 then begin
mm := mm + 12;
yy := yy - 1;
end... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #ALGOL-M | ALGOL-M |
BEGIN
% CALCULATE P MOD Q %
INTEGER FUNCTION MOD(P, Q);
INTEGER P, Q;
BEGIN
MOD := P - Q * (P / Q);
END;
COMMENT
RETURN DAY OF WEEK (SUN=0, MON=1, ETC.) FOR A GIVEN
GREGORIAN CALENDAR DATE USING ZELLER'S CONGRUENCE;
INTEGER FUNCTION DAYOFWEEK(MO, DA, YR);
INTEGER MO, DA, YR;
BEGIN
INTEGER Y, C, Z;
IF M... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #Arturo | Arturo | cyclops?: function [n][
digs: digits n
all? @[
-> odd? size digs
-> zero? digs\[(size digs)/2]
-> 1 = size match to :string n "0"
]
]
blind: function [x][
s: to :string x
half: (size s)/2
to :integer (slice s 0 dec half)++(slice s inc half dec size s)
]
findFirst50:... |
http://rosettacode.org/wiki/Deconvolution/2D%2B | Deconvolution/2D+ | This task is a straightforward generalization of Deconvolution/1D to higher dimensions. For example, the one dimensional case would be applicable to audio signals, whereas two dimensions would pertain to images. Define the discrete convolution in
d
{\displaystyle {\mathit {d}}}
dimensions of two functions
... | #Wren | Wren | import "/complex" for Complex
import "/fmt" for Fmt
var fft2 // recursive
fft2 = Fn.new { |buf, out, n, step, start|
if (step < n) {
fft2.call(out, buf, n, step*2, start)
fft2.call(out, buf, n, step*2, start + step)
var j = 0
while (j < n) {
var t = (Complex.imagMinusOn... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #Groovy | Groovy |
class FreeCell{
int seed
List<String> createDeck(){
List<String> suits = ['♣','♦','♥','♠']
List<String> values = ['A','2','3','4','5','6','7','8','9','10','J','Q','K']
return [suits,values].combinations{suit,value -> "$suit$value"}
}
int random() {
seed = (214013 * ... |
http://rosettacode.org/wiki/De_Bruijn_sequences | de Bruijn sequences | The sequences are named after the Dutch mathematician Nicolaas Govert de Bruijn.
A note on Dutch capitalization: Nicolaas' last name is de Bruijn, the de isn't normally capitalized
unless it's the first word in a sentence. Rosetta Code (more or less by default or by fiat) requires the first word in the... | #REXX | REXX | /*REXX pgm calculates the de Bruijn sequence for all pin numbers (4 digit decimals). */
$= /*initialize the de Bruijn sequence. */
#=10; lastNode= (#-2)(#-2)(#-1)(#-2) /*this number is formed when this # ···*/
... |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #ooRexx | ooRexx | /* REXX ----------------------------------------------------------------
* 21.06.2014 Walter Pachl
* implements a data type tinyint that can have an integer value 1..10
* 22.06.2014 WP corrected by Rony Flatscher to handle arithmetic
*---------------------------------------------------------------------*/
a=.tinyint~ne... |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #Racket | Racket |
#lang racket
(require plot)
(plot3d (polar3d (λ (φ θ) (real-part (- (sin θ) (sqrt (- (sqr 1/3) (sqr (cos θ)))))))
#:samples 100 #:line-style 'transparent #:color 9)
#:altitude 60 #:angle 80
#:height 500 #:width 400
#:x-min -1/2 #:x-max 1/2
#:y-min -1/2 #:y-max 1/2
... |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #Raku | Raku | class sphere {
has $.cx; # center x coordinate
has $.cy; # center y coordinate
has $.cz; # center z coordinate
has $.r; # radius
}
my $depth = 255; # image color depth
my $width = my $height = 255; # dimensions of generated .pgm; must be odd
my $s = ($width - 1)/2; # scaled dimension to build ge... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #APL | APL | ⍝ Based on the simplified calculation of Zeller's congruence, since Christmas is after March 1st, no adjustment is required.
⎕IO ← 0 ⍝ Indices are 0-based
y ← 2008 + ⍳114 ⍝ Years from 2008 to 2121
⍝ Simplified Zeller function operating on table of dates formatted as 114 rows and 3 columns of (day, mon... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #AWK | AWK |
# syntax: GAWK -f CYCLOPS_NUMBERS.AWK
BEGIN {
n = 0
limit = 50
while (A134808_cnt < limit || A134809_cnt < limit || A329737_cnt < limit || A136098_cnt < limit) {
leng = length(n)
if (leng ~ /[13579]$/) {
middle_col = int(leng/2)+1
if (substr(n,middle_col,1) == 0 && gsub(/0/,"&"... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #Haskell | Haskell | import Data.Int
import Data.Bits
import Data.List
import Data.Array.ST
import Control.Monad
import Control.Monad.ST
import System.Environment
srnd :: Int32 -> [Int]
srnd = map (fromIntegral . flip shiftR 16) .
tail . iterate (\x -> (x * 214013 + 2531011) .&. maxBound)
deal :: Int32 -> [String]
deal s = runST... |
http://rosettacode.org/wiki/De_Bruijn_sequences | de Bruijn sequences | The sequences are named after the Dutch mathematician Nicolaas Govert de Bruijn.
A note on Dutch capitalization: Nicolaas' last name is de Bruijn, the de isn't normally capitalized
unless it's the first word in a sentence. Rosetta Code (more or less by default or by fiat) requires the first word in the... | #Ruby | Ruby | def deBruijn(k, n)
alphabet = "0123456789"
@a = Array.new(k * n, 0)
@seq = []
def db(k, n, t, p)
if t > n then
if n % p == 0 then
temp = @a[1 .. p]
@seq.concat temp
end
else
@a[t] = @a[t - p]
db(k, n, t + 1... |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #Oz | Oz | declare
I
in
I::1#10
I = {Pow 2 4} |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #REXX | REXX | /*REXX program displays a sphere with another sphere subtracted where it's superimposed.*/
call deathStar 2, .5, v3('-50 30 50')
exit /*stick a fork in it, we're all done. */
/*──────────────────────────────────────────────────────────────────────────────────────*/
d... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #AppleScript | AppleScript | set ChristmasSundays to {}
set Christmas to (current date)
set month of Christmas to December
set day of Christmas to 25
repeat with |year| from 2008 to 2121
set year of Christmas to |year|
if weekday of Christmas is Sunday then set end of ChristmasSundays to |year|
end repeat
ChristmasSundays |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #F.23 | F# |
// Cyclop numbers. Nigel Galloway: June 25th., 2021
let rec fG n g=seq{yield! g|>Seq.collect(fun i->g|>Seq.map(fun g->n*i+g)); yield! fG(n*10)(fN g)}
let cyclops=seq{yield 0; yield! fG 100 [1..9]}
let primeCyclops,blindCyclops=cyclops|>Seq.filter isPrime,Seq.zip(fG 100 [1..9])(fG 10 [1..9])|>Seq.filter(fun(n,g)->isPr... |
http://rosettacode.org/wiki/Date_manipulation | Date manipulation | Task
Given the date string "March 7 2009 7:30pm EST",
output the time 12 hours later in any human-readable format.
As extra credit, display the resulting time in a time zone different from your own.
| #11l | 11l | V format_str = ‘%B %d %Y %I:%M%p’
print((time:strptime(‘March 7 2009 7:30pm’, format_str)
+ TimeDelta(hours' 12)).strftime(format_str)) |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #Icon_and_Unicon | Icon and Unicon | procedure main(A) # freecelldealer
freecelldealer(\A[1] | &null) # seed from command line
end
procedure newDeck() #: return a new unshuffled deck
every D := list(52) & i := 0 & r := !"A23456789TJQK" & s := !"CDHS" do
D[i +:= 1] := r || s # initial deck AC AD ... KS
re... |
http://rosettacode.org/wiki/De_Bruijn_sequences | de Bruijn sequences | The sequences are named after the Dutch mathematician Nicolaas Govert de Bruijn.
A note on Dutch capitalization: Nicolaas' last name is de Bruijn, the de isn't normally capitalized
unless it's the first word in a sentence. Rosetta Code (more or less by default or by fiat) requires the first word in the... | #Visual_Basic_.NET | Visual Basic .NET | Imports System.Text
Module Module1
ReadOnly DIGITS As String = "0123456789"
Function DeBruijn(k As Integer, n As Integer) As String
Dim alphabet = DIGITS.Substring(0, k)
Dim a(k * n) As Byte
Dim seq As New List(Of Byte)
Dim db As Action(Of Integer, Integer) = Sub(t As Integ... |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #Pascal | Pascal | type
naturalTen = 1..10; |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #Perl | Perl | package One_To_Ten;
use Carp qw(croak);
use Tie::Scalar qw();
use base qw(Tie::StdScalar);
sub STORE {
my $self = shift;
my $val = int shift;
croak 'out of bounds' if $val < 1 or $val > 10;
$$self = $val;
};
package main;
tie my $t, 'One_To_Ten';
$t = 3; # ok
$t = 5.2; # ok, silently coerced to in... |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #Set_lang | Set lang | set ! 32
set ! 32
set ! 46
set ! 45
set ! 126
set ! 34
set ! 34
set ! 126
set ! 45
set ! 46
set ! 10
set ! 46
set ! 39
set ! 40
set ! 95
set ! 41
set ! 32
set ! 32
set ! 32
set ! 32
set ! 32
set ! 39
set ! 46
set ! 10
set ! 124
set ! 61
set ! 61
set ! 61
set ! 61
set ! 61
set ! 61
set ! 61
set ! 61
set ! 61
set ! 61
se... |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #Sidef | Sidef | func hitf(sph, x, y) {
x -= sph[0]
y -= sph[1]
var z = (sph[3]**2 - (x**2 + y**2))
z < 0 && return nil
z.sqrt!
[sph[2] - z, sph[2] + z]
}
func normalize(v) {
v / v.abs
}
func dot(x, y) {
max(0, x*y)
}
var pos = [120, 120, 0, 120]
var neg = [-77, -33, -100, 190]
var light = no... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #Arc | Arc |
(= day-names '(Sunday Monday Tuesday Wednesday Thursday Friday Saturday))
(= get-weekday-num (fn (year month day)
(= helper '(0 3 2 5 0 3 5 1 4 6 2 4))
(if (< month 3) (= year (- year 1)))
(mod (+ year (helper (- month 1)) day
(apply + (map [trunc (/ year _)] '(4 -100 400))))
7)))
(= get-weekday-n... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #Arturo | Arturo | print select 2008..2121 'year [
"Sunday" = get to :date.format:"dd-MM-YYYY" ~"25-12-|year|" 'Day
] |
http://rosettacode.org/wiki/Cut_a_rectangle | Cut a rectangle | A given rectangle is made from m × n squares. If m and n are not both odd, then it is possible to cut a path through the rectangle along the square edges such that the rectangle splits into two connected pieces with the same shape (after rotating one of the pieces by 180°). All such paths for 2 × 2 and 4 × 3 rectangles... | #11l | 11l | F cut_it(=h, =w)
V dirs = [(1, 0), (-1, 0), (0, -1), (0, 1)]
I h % 2 != 0
swap(&h, &w)
I h % 2 != 0
R 0
I w == 1
R 1
V count = 0
V next = [w + 1, -w - 1, -1, 1]
V blen = (h + 1) * (w + 1) - 1
V grid = [0B] * (blen + 1)
F walk(Int y, x, =count) -> Int
I y == 0 | y =... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #Factor | Factor | USING: accessors formatting grouping io kernel lists lists.lazy
math math.functions math.primes prettyprint sequences
tools.memory.private tools.time ;
! ==========={[ Cyclops data type and operations ]}=============
TUPLE: cyclops left right n max ;
: <cyclops> ( -- cyclops ) 1 1 1 9 cyclops boa ;
: >cyclo... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #Go | Go | package main
import (
"fmt"
"rcu"
"strconv"
"strings"
)
func findFirst(list []int) (int, int) {
for i, n := range list {
if n > 1e7 {
return n, i
}
}
return -1, -1
}
func reverse(s string) string {
chars := []rune(s)
for i, j := 0, len(chars)-1; i < ... |
http://rosettacode.org/wiki/Date_manipulation | Date manipulation | Task
Given the date string "March 7 2009 7:30pm EST",
output the time 12 hours later in any human-readable format.
As extra credit, display the resulting time in a time zone different from your own.
| #Ada | Ada | with Ada.Calendar;
with Ada.Calendar.Formatting;
with Ada.Calendar.Time_Zones;
with Ada.Integer_Text_IO;
with Ada.Text_IO;
procedure Date_Manipulation is
type Month_Name_T is
(January, February, March, April, May, June,
July, August, September, October, November, December);
type Time_Zone_Name_T ... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #J | J | deck=: ,/ 'A23456789TJQK' ,"0/ 7 u: '♣♦♥♠'
srnd=: 3 :'SEED=:{.y,11982'
srnd ''
seed=: do bind 'SEED'
rnd=: (2^16) <.@%~ (2^31) srnd@| 2531011 + 214013 * seed
pairs=: <@<@~.@(<: , (| rnd))@>:@i.@-@# NB. indices to swap, for shuffle
swaps=: [: > C.&.>/@|.@; NB. implement the specified shuffle
deal=: ... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #Java | Java |
import java.util.Arrays;
public class Shuffler {
private int seed;
private String[] deck = {
"AC", "AD", "AH", "AS",
"2C", "2D", "2H", "2S",
"3C", "3D", "3H", "3S",
"4C", "4D", "4H", "4S",
"5C", "5D", "5H", "5S",
"6C", "6D", "6H", "6S",
"7C", "7D", "7H", "7S",
"8C", "8D", "8H", "8S",
... |
http://rosettacode.org/wiki/De_Bruijn_sequences | de Bruijn sequences | The sequences are named after the Dutch mathematician Nicolaas Govert de Bruijn.
A note on Dutch capitalization: Nicolaas' last name is de Bruijn, the de isn't normally capitalized
unless it's the first word in a sentence. Rosetta Code (more or less by default or by fiat) requires the first word in the... | #Wren | Wren | import "/fmt" for Fmt
import "/str" for Str
var deBruijn = ""
for (n in 0..99) {
var a = Fmt.rjust(2, n, "0")
var a1 = a[0].bytes[0]
var a2 = a[1].bytes[0]
if (a2 >= a1) {
deBruijn = deBruijn + ((a1 == a2) ? String.fromByte(a1): a)
var m = n + 1
while (m <= 99) {
va... |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #Phix | Phix | type iten(integer i)
return i>=1 and i<=10
end type
|
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #PicoLisp | PicoLisp | (class +BoundedInt)
# value lower upper
(dm T (Low Up)
(=: lower (min Low Up))
(=: upper (max Low Up)) )
(de "checkBounds" (Val)
(if (>= (: upper) Val (: lower))
Val
(throw 'boundedIntOutOfBounds
(pack
"value " Val
" is out of bounds [" (: lower) "," (: upper) "... |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #Tcl | Tcl | package require Tcl 8.5
proc normalize vec {
upvar 1 $vec v
lassign $v x y z
set len [expr {sqrt($x**2 + $y**2 + $z**2)}]
set v [list [expr {$x/$len}] [expr {$y/$len}] [expr {$z/$len}]]
return
}
proc dot {a b} {
lassign $a ax ay az
lassign $b bx by bz
return [expr {-($ax*$bx + $ay*$b... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #AutoHotkey | AutoHotkey | year = 2008
stop = 2121
While year <= stop {
FormatTime, day,% year 1225, dddd
If day = Sunday
out .= year "`n"
year++
}
MsgBox,% out |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #AutoIt | AutoIt | #include <date.au3>
Const $iSunday = 1
For $iYear = 2008 To 2121 Step 1
If $iSunday = _DateToDayOfWeek($iYear, 12, 25) Then
ConsoleWrite(StringFormat($iYear & "\n"))
EndIf
Next |
http://rosettacode.org/wiki/Cut_a_rectangle | Cut a rectangle | A given rectangle is made from m × n squares. If m and n are not both odd, then it is possible to cut a path through the rectangle along the square edges such that the rectangle splits into two connected pieces with the same shape (after rotating one of the pieces by 180°). All such paths for 2 × 2 and 4 × 3 rectangles... | #C | C | #include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef unsigned char byte;
byte *grid = 0;
int w, h, len;
unsigned long long cnt;
static int next[4], dir[4][2] = {{0, -1}, {-1, 0}, {0, 1}, {1, 0}};
void walk(int y, int x)
{
int i, t;
if (!y || y == h || !x || x == w) {
cnt += 2;
return;
}
... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #Haskell | Haskell | import Control.Monad (replicateM)
import Data.Numbers.Primes (isPrime)
--------------------- CYCLOPS NUMBERS --------------------
cyclops :: [Integer]
cyclops = [0 ..] >>= flankingDigits
where
flankingDigits 0 = [0]
flankingDigits n =
fmap
(\s -> read s :: Integer)
( (fmap ((<>) . (<... |
http://rosettacode.org/wiki/Date_manipulation | Date manipulation | Task
Given the date string "March 7 2009 7:30pm EST",
output the time 12 hours later in any human-readable format.
As extra credit, display the resulting time in a time zone different from your own.
| #AppleScript | AppleScript | set x to "March 7 2009 7:30pm EST"
return (date x) + 12 * hours |
http://rosettacode.org/wiki/Date_manipulation | Date manipulation | Task
Given the date string "March 7 2009 7:30pm EST",
output the time 12 hours later in any human-readable format.
As extra credit, display the resulting time in a time zone different from your own.
| #Arturo | Arturo | ; a tiny helper, so that we aren't too repetitive
formatDate: function [dt][
to :string .format: "MMMM d yyyy h:mmtt" dt
]
initial: "March 7 2009 7:30pm EST"
; chop timezone off
initial: join.with:" " chop split.words initial
initial: to :date .format: "MMMM d yyyy h:mmtt" initial
print ["initial:" ... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #JavaScript | JavaScript | "use strict";
/*
* Microsoft C Run-time-Library-compatible Random Number Generator
* Copyright by Shlomi Fish, 2011.
* Released under the MIT/X11 License
* ( http://en.wikipedia.org/wiki/MIT_License ).
* */
/* This uses Joose 2.x-or-above, an object system for JavaScript - http://code.google.com/p/joose-js/ . */
... |
http://rosettacode.org/wiki/De_Bruijn_sequences | de Bruijn sequences | The sequences are named after the Dutch mathematician Nicolaas Govert de Bruijn.
A note on Dutch capitalization: Nicolaas' last name is de Bruijn, the de isn't normally capitalized
unless it's the first word in a sentence. Rosetta Code (more or less by default or by fiat) requires the first word in the... | #zkl | zkl | dbSeq:=Data(); // a byte/character buffer
foreach n in (100){
a,a01,a11 := "%02d".fmt(n), a[0,1], a[1,1];
if(a11<a01) continue;
dbSeq.append( if(a01==a11) a01 else a );
foreach m in ([n+1 .. 99]){
if("%02d".fmt(m)[1,1] <= a01) continue;
dbSeq.append("%s%02d".fmt(a,m));
}
}
dbSeq.append("000")... |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #PowerShell | PowerShell |
[Int][ValidateRange(1,10)]$n = 3 # $n can only accept integers between 1 and 10
|
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #PureBasic | PureBasic | If OpenConsole()
Structure Persona
nombre.s{15}
apellido.s{30}
edad.w
List amigos$()
EndStructure
Dim MyFriends.Persona(100)
; Aquí la posición '1' del array MyFriends()
; contendrá una persona y su propia información
MyFriends(1)\nombre = "Carlos"
MyFriends(1)\apellido = "Gzlez."
... |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #Wren | Wren | import "dome" for Window
import "graphics" for Canvas, Color, ImageData
import "math" for Vector
var Normalize = Fn.new{ |vec|
var invLen = 1 / vec.dot(vec).sqrt
vec.x = vec.x * invLen
vec.y = vec.y * invLen
vec.z = vec.z * invLen
}
class Sphere {
construct new(cx, cy, cz, r) {
_cx = cx
... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #AWK | AWK |
# syntax: GAWK -f DAY_OF_THE_WEEK.AWK
# runtime does not support years > 2037 on my 32-bit Windows XP O/S
BEGIN {
for (i=2008; i<=2121; i++) {
x = strftime("%Y/%m/%d %a",mktime(sprintf("%d 12 25 0 0 0",i)))
if (x ~ /Sun/) { print(x) }
}
}
|
http://rosettacode.org/wiki/Date_format | Date format | This task has been clarified. Its programming examples are in need of review to ensure that they still fit the requirements of the task.
Task
Display the current date in the formats of:
2007-11-23 and
Friday, November 23, 2007
| #11l | 11l | print(Time().format(‘YYYY-MM-DD’))
print(Time().strftime(‘%A, %B %e, %Y’)) |
http://rosettacode.org/wiki/Damm_algorithm | Damm algorithm | The Damm algorithm is a checksum algorithm which detects all single digit errors and adjacent transposition errors.
The algorithm is named after H. Michael Damm.
Task
Verify the checksum, stored as last digit of an input.
| #11l | 11l | V matrix = [
[0, 3, 1, 7, 5, 9, 8, 6, 4, 2],
[7, 0, 9, 2, 1, 5, 4, 8, 6, 3],
[4, 2, 0, 6, 8, 7, 1, 3, 5, 9],
[1, 7, 5, 0, 9, 8, 3, 4, 2, 6],
[6, 1, 2, 3, 0, 4, 5, 9, 7, 8],
[3, 6, 7, 4, 2, 0, 9, 5, 8, 1],
[5, 8, 6, 9, 7, 2, 0, 1, 3, 4],
[8, 9, 4, 5, 3, 6, 2, 0, 1, 7],
[9, 4, 3, 8, 6,... |
http://rosettacode.org/wiki/Cut_a_rectangle | Cut a rectangle | A given rectangle is made from m × n squares. If m and n are not both odd, then it is possible to cut a path through the rectangle along the square edges such that the rectangle splits into two connected pieces with the same shape (after rotating one of the pieces by 180°). All such paths for 2 × 2 and 4 × 3 rectangles... | #C.2B.2B | C++ | #include <array>
#include <iostream>
#include <stack>
#include <vector>
const std::array<std::pair<int, int>, 4> DIRS = {
std::make_pair(0, -1),
std::make_pair(-1, 0),
std::make_pair(0, 1),
std::make_pair(1, 0),
};
void printResult(const std::vector<std::vector<int>> &v) {
for (auto &row : v)... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #jq | jq |
## Generic helper functions
def count(s): reduce s as $x (0; .+1);
# counting from 0
def enumerate(s): foreach s as $x (-1; .+1; [., $x]);
def lpad($len): tostring | ($len - length) as $l | (" " * $l)[:$l] + .;
## Prime numbers
def is_prime:
if . == 2 then true
else
2 < . and . % 2 == 1 and
(... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #Julia | Julia |
print5x10(a, w = 8) = for i in 0:4, j in 1:10 print(lpad(a[10i + j], w), j == 10 ? "\n" : "") end
function iscyclops(n)
d = digits(n)
l = length(d)
return isodd(l) && d[l ÷ 2 + 1] == 0 && count(x -> x == 0, d) == 1
end
function isblindprimecyclops(n)
d = digits(n)
l = length(d)
m = l ÷ 2 +... |
http://rosettacode.org/wiki/Date_manipulation | Date manipulation | Task
Given the date string "March 7 2009 7:30pm EST",
output the time 12 hours later in any human-readable format.
As extra credit, display the resulting time in a time zone different from your own.
| #AutoHotkey | AutoHotkey | DateString := "March 7 2009 7:30pm EST"
; split the given string with RegExMatch
Needle := "^(?P<mm>\S*) (?P<d>\S*) (?P<y>\S*) (?P<t>\S*) (?P<tz>\S*)$"
RegExMatch(DateString, Needle, $)
; split the time with RegExMatch
Needle := "^(?P<h>\d+):(?P<min>\d+)(?P<xm>[amp]+)$"
RegExMatch($t, Needle, $)
; convert am/pm t... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #Julia | Julia | const rank = split("A23456789TJQK", "")
const suit = split("♣♦♥♠", "")
const deck = Vector{String}()
const mslcg = [0]
rng() = (mslcg[1] = ((mslcg[1] * 214013 + 2531011) & 0x7fffffff)) >> 16
initdeck() = for r in rank, s in suit push!(deck, "$r$s") end
function deal(num = rand(UInt,1)[1] % 32000 + 1)
initd... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #Kotlin | Kotlin | // version 1.1.3
class Lcg(val a: Long, val c: Long, val m: Long, val d: Long, val s: Long) {
private var state = s
fun nextInt(): Long {
state = (a * state + c) % m
return state / d
}
}
const val CARDS = "A23456789TJQK"
const val SUITS = "♣♦♥♠"
fun deal(): Array<String?> {
val... |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #Python | Python | >>> class num(int):
def __init__(self, b):
if 1 <= b <= 10:
return int.__init__(self+0)
else:
raise ValueError,"Value %s should be >=0 and <= 10" % b
>>> x = num(3)
>>> x = num(11)
Traceback (most recent call last):
File "<pyshell#394>", line 1, in <module>
x = nu... |
http://rosettacode.org/wiki/Death_Star | Death Star |
Task
Display a region that consists of a large sphere with part of a smaller sphere removed from it as a result of geometric subtraction.
(This will basically produce a shape like a "death star".)
Related tasks
draw a sphere
draw a cuboid
draw a rotating cube
write language name in 3D ASCII
| #Yabasic | Yabasic | open window 100,100
window origin "cc"
backcolor 0,0,0
clear window
tonos = 100
interv = int(255 / tonos)
dim shades(tonos)
shades(1) = 255
for i = 2 to tonos
shades(i) = shades(i-1) - interv
next i
dim light(3)
light(0) = 30
light(1) = 30
light(2) = -50
sub normalize(v())
local long
long = sqrt(... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #BASIC | BASIC | Declare Function modulo(x As Double, y As Double) As Double
Declare Function wd(m As Double, d As Double, y As Double) As Integer
Cls
Dim yr As Double
For yr = 2008 To 2121
If wd(12,25,yr) = 1 Then
Print "Dec " & 25 & ", " & yr
EndIf
Next
Sleep
Function modulo(x As Double, y As Double) As Double
If y = 0 Then
... |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #Batch_File | Batch File | :: Day of the Week task from Rosetta Code
:: Batch File Implementation
:: Question: In what years between 2008 and 2121 will the 25th of December be a Sunday?
:: Method: Zeller's Rule
@echo off
rem set month code for December
set mon=33
rem set day number
set day=25
for /L %%y in (2008,1,2121) do (
setlocal enab... |
http://rosettacode.org/wiki/Date_format | Date format | This task has been clarified. Its programming examples are in need of review to ensure that they still fit the requirements of the task.
Task
Display the current date in the formats of:
2007-11-23 and
Friday, November 23, 2007
| #68000_Assembly | 68000 Assembly | JSR SYS_READ_CALENDAR ;outputs calendar date to BIOS RAM
MOVE.B #'2',D0 ;a character in single or double quotes refers to its ascii equivalent.
JSR PrintChar
MOVE.B #'0',D0
JSR PrintChar
LEA BIOS_YEAR,A1
MOVE.B (A1)+,D0 ;stores last 2 digits of year into D0, in binary coded decimal... |
http://rosettacode.org/wiki/Damm_algorithm | Damm algorithm | The Damm algorithm is a checksum algorithm which detects all single digit errors and adjacent transposition errors.
The algorithm is named after H. Michael Damm.
Task
Verify the checksum, stored as last digit of an input.
| #8080_Assembly | 8080 Assembly | org 100h
jmp demo
;;; Given an 0-terminated ASCII string containing digits in [DE],
;;; see if it matches its check digit. Returns with zero flag set
;;; if the string matches.
damm: mvi c,0 ; Interim digit in C, starts off at 0.
ldax d ; Get current byte from string
inx d ; Advance the pointer
ana a ; Is the ... |
http://rosettacode.org/wiki/Damm_algorithm | Damm algorithm | The Damm algorithm is a checksum algorithm which detects all single digit errors and adjacent transposition errors.
The algorithm is named after H. Michael Damm.
Task
Verify the checksum, stored as last digit of an input.
| #8086_Assembly | 8086 Assembly | cpu 8086
bits 16
section .text
org 100h
jmp demo
;;; Given a 0-terminated ASCII string containing digits in
;;; [DS:SI], see if the check digit matches. Returns with zero flag
;;; set if it matches.
damm: xor cl,cl ; Interim digit starts out at 0
mov bx,.tab ; Index for table lookup
.dgt: lodsb ; Get next stri... |
http://rosettacode.org/wiki/Curzon_numbers | Curzon numbers | A Curzon number is defined to be a positive integer n for which 2n + 1 is evenly divisible by 2 × n + 1.
Generalized Curzon numbers are those where the positive integer n, using a base integer k, satisfy the condition that kn + 1 is evenly divisible by k × n + 1.
Base here does not imply the radix of the counting sys... | #Arturo | Arturo | curzon?: function [n,base]->
zero? (inc base^n) % inc base*n
first50: function [b][
result: new []
i: 1
while [50 > size result][
if curzon? i b -> 'result ++ i
i: i + 1
]
return result
]
oneThousandth: function [b][
cnt: 0
i: 1
while [cnt < 1000][
if cur... |
http://rosettacode.org/wiki/Cut_a_rectangle | Cut a rectangle | A given rectangle is made from m × n squares. If m and n are not both odd, then it is possible to cut a path through the rectangle along the square edges such that the rectangle splits into two connected pieces with the same shape (after rotating one of the pieces by 180°). All such paths for 2 × 2 and 4 × 3 rectangles... | #Common_Lisp | Common Lisp | (defun cut-it (w h &optional (recur t))
(if (oddp (* w h)) (return-from cut-it 0))
(if (oddp h) (rotatef w h))
(if (= w 1) (return-from cut-it 1))
(let ((cnt 0)
(m (make-array (list (1+ h) (1+ w))
:element-type 'bit
:initial-element 0))
(cy (truncate h 2))
(cx (truncate w 2)))
(setf... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #Ksh | Ksh |
#!/bin/ksh
# Cyclops numbers (odd number of digits that has a zero in the center)
# - first 50 cyclops numbers
# - first 50 prime cyclops numbers
# - first 50 blind prime cyclops numbers
# - first 50 palindromic prime cyclops numbers
# # Variables:
#
integer MAXN=50
# # Functions:
#
# # Function _isprime(n) r... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #Mathematica_.2F_Wolfram_Language | Mathematica / Wolfram Language | a = Flatten[Table[FromDigits[{i, 0, j}], {i, 9}, {j, 9}], 1];
b = Flatten@Table[FromDigits@{i, j}, {i, 9}, {j, 9}];
c = Flatten@Table[FromDigits@{i, j, k}, {i, 9}, {j, 9}, {k, 9}];
blindPrimeQ[n_] :=
Block[{digits = IntegerDigits@n, m},
m = Floor[Length[digits]/2];
PrimeQ[FromDigits@Join[digits[[;; m]], digits[[... |
http://rosettacode.org/wiki/Date_manipulation | Date manipulation | Task
Given the date string "March 7 2009 7:30pm EST",
output the time 12 hours later in any human-readable format.
As extra credit, display the resulting time in a time zone different from your own.
| #AWK | AWK |
# syntax: GAWK -f DATE_MANIPULATION.AWK
BEGIN {
fmt = "%a %Y-%m-%d %H:%M:%S %Z" # DAY YYYY-MM-DD HH:MM:SS TZ
split("March 7 2009 7:30pm EST",arr," ")
M = (index("JanFebMarAprMayJunJulAugSepOctNovDec",substr(arr[1],1,3)) + 2) / 3
D = arr[2]
Y = arr[3]
hhmm = arr[4]
hh = substr(hhmm,1,index(... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #Logo | Logo | ; Linear congruential random number generator
make "_lcg_state 0
to seed_lcg :seed
make "_lcg_state :seed
end
to sample_lcg
make "_lcg_state modulo sum product 214013 :_lcg_state 2531011 2147483648
output int quotient :_lcg_state 65536
end
; FreeCell
to card_from_number :number
output word item sum 1 int ... |
http://rosettacode.org/wiki/Deal_cards_for_FreeCell | Deal cards for FreeCell | Free Cell is the solitaire card game that Paul Alfille introduced to the PLATO system in 1978. Jim Horne, at Microsoft, changed the name to FreeCell and reimplemented the game for DOS, then Windows.
This version introduced 32000 numbered deals. (The FreeCell FAQ tells this history.)
As the game became popular, Jim H... | #Lua | Lua | deck = {}
rank = {"A", "2", "3", "4", "5", "6", "7", "8", "9", "T", "J", "Q", "K"}
suit = {"C", "D", "H", "S"}
two31, state = bit32.lshift(1, 31), 0
function rng()
state = (214013 * state + 2531011) % two31
return bit32.rshift(state, 16)
end
function initdeck()
for i, r in ipairs(rank) do
for j,... |
http://rosettacode.org/wiki/Define_a_primitive_data_type | Define a primitive data type | Demonstrate how to define a type that behaves like an integer but has a lowest valid value of 1 and a highest valid value of 10. Include all bounds checking you need to write, or explain how the compiler or interpreter creates those bounds checks for you.
| #QBasic | QBasic |
TYPE TipoUsuario
nombre AS STRING * 15
apellido AS STRING * 30
edad AS INTEGER
END TYPE
DIM usuario(1 TO 20) AS TipoUsuario
usuario(1).nombre = "Juan"
usuario(1).apellido = "Hdez."
usuario(1).edad = 49
PRINT usuario(1).nombre, usuario(1).apellido, usuario(1).edad
|
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #BBC_BASIC | BBC BASIC | INSTALL @lib$+"DATELIB"
FOR year% = 2008 TO 2121
IF FN_dow(FN_mjd(25, 12, year%)) = 0 THEN
PRINT "Christmas Day is a Sunday in "; year%
ENDIF
NEXT |
http://rosettacode.org/wiki/Day_of_the_week | Day of the week | A company decides that whenever Xmas falls on a Sunday they will give their workers all extra paid holidays so that, together with any public holidays, workers will not have to work the following week (between the 25th of December and the first of January).
Task
In what years between 2008 and 2121 will the 25th of ... | #bc | bc | scale = 0
/*
* Returns day of week (0 to 6) for year, month m, day d in proleptic
* Gregorian calendar. Sunday is 0. Assumes y >= 1, scale = 0.
*/
define w(y, m, d) {
auto a
/* Calculate Zeller's congruence. */
a = (14 - m) / 12
m += 12 * a
y -= a
return ((d + (13 * m + 8) / 5 + \
y + y / 4 - y / 100 ... |
http://rosettacode.org/wiki/CUSIP | CUSIP |
This page uses content from Wikipedia. The original article was at CUSIP. The list of authors can be seen in the page history. As with Rosetta Code, the text of Wikipedia is available under the GNU FDL. (See links for details on variance)
A CUSIP is a nine-character alphanumeric code that identifies a North A... | #11l | 11l | F cusip_check(=cusip)
I cusip.len != 9
X ValueError(‘CUSIP must be 9 characters’)
cusip = cusip.uppercase()
V total = 0
L(i) 8
V v = 0
V c = cusip[i]
I c.is_digit()
v = Int(c)
E I c.is_alpha()
V p = c.code - ‘A’.code + 1
v = p + 9
E I c == ‘*’... |
http://rosettacode.org/wiki/Date_format | Date format | This task has been clarified. Its programming examples are in need of review to ensure that they still fit the requirements of the task.
Task
Display the current date in the formats of:
2007-11-23 and
Friday, November 23, 2007
| #8th | 8th |
d:new
"%Y-%M-%D" over d:format . cr
"%W, %N %D, %Y" over d:format . cr
bye
|
http://rosettacode.org/wiki/Date_format | Date format | This task has been clarified. Its programming examples are in need of review to ensure that they still fit the requirements of the task.
Task
Display the current date in the formats of:
2007-11-23 and
Friday, November 23, 2007
| #AArch64_Assembly | AArch64 Assembly |
/* ARM assembly AARCH64 Raspberry PI 3B */
/* program dateFormat64.s */
/*******************************************/
/* Constantes file */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstante... |
http://rosettacode.org/wiki/Damm_algorithm | Damm algorithm | The Damm algorithm is a checksum algorithm which detects all single digit errors and adjacent transposition errors.
The algorithm is named after H. Michael Damm.
Task
Verify the checksum, stored as last digit of an input.
| #Action.21 | Action! | BYTE FUNC Damm(CHAR ARRAY a)
BYTE ARRAY table=[
0 3 1 7 5 9 8 6 4 2
7 0 9 2 1 5 4 8 6 3
4 2 0 6 8 7 1 3 5 9
1 7 5 0 9 8 3 4 2 6
6 1 2 3 0 4 5 9 7 8
3 6 7 4 2 0 9 5 8 1
5 8 6 9 7 2 0 1 3 4
8 9 4 5 3 6 2 0 1 7
9 4 3 8 6 1 7 2 0 5
2 5 8 1 4 3 6 7 9 0]
BYTE i,x,c
x=0
FOR i=... |
http://rosettacode.org/wiki/Damm_algorithm | Damm algorithm | The Damm algorithm is a checksum algorithm which detects all single digit errors and adjacent transposition errors.
The algorithm is named after H. Michael Damm.
Task
Verify the checksum, stored as last digit of an input.
| #Ada | Ada | with Ada.Text_IO;
procedure Damm_Algorithm is
function Damm (Input : in String) return Boolean
is
subtype Digit is Character range '0' .. '9';
Table : constant array (Digit, Digit) of Digit :=
(('0', '3', '1', '7', '5', '9', '8', '6', '4', '2'),
('7', '0', '9', '2', '1', '5', '4... |
http://rosettacode.org/wiki/Curzon_numbers | Curzon numbers | A Curzon number is defined to be a positive integer n for which 2n + 1 is evenly divisible by 2 × n + 1.
Generalized Curzon numbers are those where the positive integer n, using a base integer k, satisfy the condition that kn + 1 is evenly divisible by k × n + 1.
Base here does not imply the radix of the counting sys... | #C.2B.2B | C++ | #include <iomanip>
#include <iostream>
#include <vector>
#include <gmpxx.h>
bool is_curzon(int n, int k) {
mpz_class p;
mpz_ui_pow_ui(p.get_mpz_t(), k, n);
return (p + 1) % (k * n + 1) == 0;
}
int main() {
for (int k = 2; k <= 10; k += 2) {
std::cout << "Curzon numbers with base " << k << ... |
http://rosettacode.org/wiki/Curzon_numbers | Curzon numbers | A Curzon number is defined to be a positive integer n for which 2n + 1 is evenly divisible by 2 × n + 1.
Generalized Curzon numbers are those where the positive integer n, using a base integer k, satisfy the condition that kn + 1 is evenly divisible by k × n + 1.
Base here does not imply the radix of the counting sys... | #Factor | Factor | USING: grouping interpolate io kernel make math math.functions
prettyprint ranges sequences ;
: curzon? ( k n -- ? ) [ ^ 1 + ] 2keep * 1 + divisor? ;
: next ( k n -- k n' ) [ 2dup curzon? ] [ 1 + ] do until ;
: curzon ( k -- seq )
1 [ 50 [ dup , next ] times ] { } make 2nip ;
: curzon. ( k -- )
dup [I C... |
http://rosettacode.org/wiki/Curzon_numbers | Curzon numbers | A Curzon number is defined to be a positive integer n for which 2n + 1 is evenly divisible by 2 × n + 1.
Generalized Curzon numbers are those where the positive integer n, using a base integer k, satisfy the condition that kn + 1 is evenly divisible by k × n + 1.
Base here does not imply the radix of the counting sys... | #FreeBASIC | FreeBASIC | ' limit: k * n +1 must be smaller then 2^32-1
Function pow_mod(b As ULongInt, power As ULongInt, modulus As ULongInt) As ULongInt
' returns b ^ power mod modulus
Dim As ULongInt x = 1
While power > 0
If (power And 1) = 1 Then
x = (x * b) Mod modulus
End If
b = (b * b)... |
http://rosettacode.org/wiki/Cut_a_rectangle | Cut a rectangle | A given rectangle is made from m × n squares. If m and n are not both odd, then it is possible to cut a path through the rectangle along the square edges such that the rectangle splits into two connected pieces with the same shape (after rotating one of the pieces by 180°). All such paths for 2 × 2 and 4 × 3 rectangles... | #D | D | import core.stdc.stdio, core.stdc.stdlib, core.stdc.string, std.typecons;
enum int[2][4] dir = [[0, -1], [-1, 0], [0, 1], [1, 0]];
__gshared ubyte[] grid;
__gshared uint w, h, len;
__gshared ulong cnt;
__gshared uint[4] next;
void walk(in uint y, in uint x) nothrow @nogc {
if (!y || y == h || !x || x == w) {
... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #Nim | Nim | import strutils, times
const Ranges = [0..0, 101..909, 11011..99099, 1110111..9990999, 111101111..999909999]
func isCyclops(d: string): bool =
d[d.len shr 1] == '0' and d.count('0') == 1
func isPrime(n: Natural): bool =
if n < 2: return
if n mod 2 == 0: return n == 2
if n mod 3 == 0: return n == 3
var... |
http://rosettacode.org/wiki/Cyclops_numbers | Cyclops numbers | A cyclops number is a number with an odd number of digits that has a zero in the center, but nowhere else. They are named so in tribute to the one eyed giants Cyclops from Greek mythology.
Cyclops numbers can be found in any base. This task strictly is looking for cyclops numbers in base 10.
There are many different ... | #Pascal | Pascal | program cyclops;
{$IFDEF FPC}
{$MODE DELPHI}
{$OPTIMIZATION ON,ALL}
{$CodeAlign proc=32,loop=1}
{$ENDIF}
//extra https://oeis.org/A136098/b136098.txt take ~37 s( TIO.RUN )
uses
sysutils;
const
BIGLIMIT = 10*1000*1000;
type
//number in base 9
tnumdgts = array[0..10] of byte;
tpnumdgts = pByte;
tnum9 ... |
http://rosettacode.org/wiki/Date_manipulation | Date manipulation | Task
Given the date string "March 7 2009 7:30pm EST",
output the time 12 hours later in any human-readable format.
As extra credit, display the resulting time in a time zone different from your own.
| #Batch_File | Batch File |
@echo off
call:Date_Manipulation "March 7 2009 7:30pm EST"
call:Date_Manipulation "February 28 2009 2:28pm EST"
call:Date_Manipulation "February 29 2000 9:52pm EST"
pause>nul
exit /b
:Date_Manipulation
setlocal enabledelayedexpansion
:: These are the arrays we'll be using
set daysinmonth=31 28 31 30 31 30 31 31... |
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