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/Fast_Fourier_transform | Fast Fourier transform | Task
Calculate the FFT (Fast Fourier Transform) of an input sequence.
The most general case allows for complex numbers at the input
and results in a sequence of equal length, again of complex numbers.
If you need to restrict yourself to real numbers, the output should
be the magnitude (i.e.: sqrt(re2 + im2)... | #Tcl | Tcl | package require math::constants
package require math::fourier
math::constants::constants pi
# Helper functions
proc wave {samples cycles} {
global pi
set wave {}
set factor [expr {2*$pi * $cycles / $samples}]
for {set i 0} {$i < $samples} {incr i} {
lappend wave [expr {sin($factor * $i)}]
}
r... |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #Sidef | Sidef | func fib(n, xs=[1], k=20) {
loop {
var len = xs.len
len >= k && break
xs << xs.ft(max(0, len - n)).sum
}
return xs
}
for i in (2..10) {
say fib(i).join(' ')
}
say fib(2, [2, 1]).join(' ') |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Nim | Nim | import sequtils
let values = toSeq(0..9)
# Filtering by returning a new sequence.
# - using an explicit filtering procedure.
echo "Even values: ", values.filter(proc(x: int): bool = x mod 2 == 0)
# - using a predicate.
echo "Odd values: ", values.filterIt(it mod 2 == 1)
# Filtering by modifying the sequence.
# - ... |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #MEL | MEL | for($i=1; $i<=100; $i++)
{
if($i % 15 == 0)
print "FizzBuzz\n";
else if ($i % 3 == 0)
print "Fizz\n";
else if ($i % 5 == 0)
print "Buzz\n";
else
print ($i + "\n");
} |
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 ... | #Chapel | Chapel | iter fib() {
var a = 0, b = 1;
while true {
yield a;
(a, b) = (b, b + a);
}
} |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Forth | Forth | : factors dup 2/ 1+ 1 do dup i mod 0= if i swap then loop ;
: .factors factors begin dup dup . 1 <> while drop repeat drop cr ;
45 .factors
53 .factors
64 .factors
100 .factors |
http://rosettacode.org/wiki/Fast_Fourier_transform | Fast Fourier transform | Task
Calculate the FFT (Fast Fourier Transform) of an input sequence.
The most general case allows for complex numbers at the input
and results in a sequence of equal length, again of complex numbers.
If you need to restrict yourself to real numbers, the output should
be the magnitude (i.e.: sqrt(re2 + im2)... | #Ursala | Ursala | #import nat
#import flo
f = <1+0j,1+0j,1+0j,1+0j,0+0j,0+0j,0+0j,0+0j> # complex sequence of 4 1's and 4 0's
g = c..mul^*D(sqrt+ float+ length,..u_fw_dft) f # its fft
#cast %jLW
t = (f,g) |
http://rosettacode.org/wiki/Fast_Fourier_transform | Fast Fourier transform | Task
Calculate the FFT (Fast Fourier Transform) of an input sequence.
The most general case allows for complex numbers at the input
and results in a sequence of equal length, again of complex numbers.
If you need to restrict yourself to real numbers, the output should
be the magnitude (i.e.: sqrt(re2 + im2)... | #Vlang | Vlang | import math.complex
import math
fn ditfft2(x []f64, mut y []Complex, n int, s int) {
if n == 1 {
y[0] = complex(x[0], 0)
return
}
ditfft2(x, mut y, n/2, 2*s)
ditfft2(x[s..], mut y[n/2..], n/2, 2*s)
for k := 0; k < n/2; k++ {
tf := cmplx.Rect(1, -2*math.pi*f64(k)/f64(n)) * y[k... |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #Tailspin | Tailspin |
templates fibonacciNstep&{N:}
templates next
@: $(1);
$(2..last)... -> @: $ + $@;
[ $(2..last)..., $@ ] !
end next
@: $;
1..$N -> #
<>
$@(1) !
@: $@ -> next;
end fibonacciNstep
[1,1] -> fibonacciNstep&{N:10} -> '$; ' -> !OUT::write
'
' -> !OUT::write
[1,1,2] -> fibonacciNstep&{N:10... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Objeck | Objeck |
use Structure;
bundle Default {
class Evens {
function : Main(args : String[]) ~ Nil {
values := IntVector->New([1, 2, 3, 4, 5]);
f := Filter(Int) ~ Bool;
evens := values->Filter(f);
each(i : evens) {
evens->Get(i)->PrintLine();
};
}
function : Filter(v : Int)... |
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)
... | #Mercury | Mercury | :- module fizzbuzz.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
:- implementation.
:- import_module int, string, bool.
:- func fizz(int) = bool.
fizz(N) = ( if N mod 3 = 0 then yes else no ).
:- func buzz(int) = bool.
buzz(N) = ( if N mod 5 = 0 then yes else no ).
% N ... |
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 ... | #Chef | Chef | Stir-Fried Fibonacci Sequence.
An unobfuscated iterative implementation.
It prints the first N + 1 Fibonacci numbers,
where N is taken from standard input.
Ingredients.
0 g last
1 g this
0 g new
0 g input
Method.
Take input from refrigerator.
Put this into 4th mixing bowl.
Loop the input.
Clean the 3rd mixing bow... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Fortran | Fortran | program Factors
implicit none
integer :: i, number
write(*,*) "Enter a number between 1 and 2147483647"
read*, number
do i = 1, int(sqrt(real(number))) - 1
if (mod(number, i) == 0) write (*,*) i, number/i
end do
! Check to see if number is a square
i = int(sqrt(real(number)))
if (i*i == num... |
http://rosettacode.org/wiki/Fast_Fourier_transform | Fast Fourier transform | Task
Calculate the FFT (Fast Fourier Transform) of an input sequence.
The most general case allows for complex numbers at the input
and results in a sequence of equal length, again of complex numbers.
If you need to restrict yourself to real numbers, the output should
be the magnitude (i.e.: sqrt(re2 + im2)... | #Wren | Wren | import "/complex" for Complex
import "/fmt" for Fmt
var ditfft2 // recursive
ditfft2 = Fn.new {|x, y, n, s|
if (n == 1) {
y[0] = Complex.new(x[0], 0)
return
}
var hn = (n/2).floor
ditfft2.call(x, y, hn, 2*s)
var z = y[hn..-1]
ditfft2.call(x[s..-1], z, hn, 2*s)
for (i in hn.... |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #Tcl | Tcl | package require Tcl 8.6
proc fibber {args} {
coroutine fib[incr ::fibs]=[join $args ","] apply {fn {
set n [info coroutine]
foreach f $fn {
if {![yield $n]} return
set n $f
}
while {[yield $n]} {
set fn [linsert [lreplace $fn 0 0] end [set n [+ {*}$fn]]]
}
} ::tcl::mathop} $args
}
proc p... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Objective-C | Objective-C | NSArray *numbers = [NSArray arrayWithObjects:[NSNumber numberWithInt:1],
[NSNumber numberWithInt:2],
[NSNumber numberWithInt:3],
[NSNumber numberWithInt:4],
... |
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)
... | #Metafont | Metafont | for i := 1 upto 100:
message if i mod 15 = 0: "FizzBuzz" &
elseif i mod 3 = 0: "Fizz" &
elseif i mod 5 = 0: "Buzz" &
else: decimal i & fi "";
endfor
end |
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 ... | #Clio | Clio | fn fib n:
if n < 2: n
else: (n - 1 -> fib) + (n - 2 -> fib)
[0:100] -> * fib -> * print |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #FreeBASIC | FreeBASIC | ' FB 1.05.0 Win64
Sub printFactors(n As Integer)
If n < 1 Then Return
Print n; " =>";
For i As Integer = 1 To n / 2
If n Mod i = 0 Then Print i; " ";
Next i
Print n
End Sub
printFactors(11)
printFactors(21)
printFactors(32)
printFactors(45)
printFactors(67)
printFactors(96)
Print
Print "Press any key... |
http://rosettacode.org/wiki/Fast_Fourier_transform | Fast Fourier transform | Task
Calculate the FFT (Fast Fourier Transform) of an input sequence.
The most general case allows for complex numbers at the input
and results in a sequence of equal length, again of complex numbers.
If you need to restrict yourself to real numbers, the output should
be the magnitude (i.e.: sqrt(re2 + im2)... | #zkl | zkl | var [const] GSL=Import("zklGSL"); // libGSL (GNU Scientific Library)
v:=GSL.ZVector(8).set(1,1,1,1);
GSL.FFT(v).toList().concat("\n").println(); // in place |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #VBA | VBA | Option Explicit
Sub Main()
Dim temp$, T() As Long, i&
'Fibonacci:
T = Fibonacci_Step(1, 15, 1)
For i = LBound(T) To UBound(T)
temp = temp & ", " & T(i)
Next
Debug.Print "Fibonacci: " & Mid(temp, 3)
temp = ""
'Tribonacci:
T = Fibonacci_Step(1, 15, 2)
For i = LBound(T) To U... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #OCaml | OCaml | let lst = [1;2;3;4;5;6]
let even_lst = List.filter (fun x -> x mod 2 = 0) lst |
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)
... | #Microsoft_Small_Basic | Microsoft Small Basic |
For n = 1 To 100
op = ""
If Math.Remainder(n, 3) = 0 Then
op = "Fizz"
EndIf
IF Math.Remainder(n, 5) = 0 Then
op = text.Append(op, "Buzz")
EndIf
If op = "" Then
TextWindow.WriteLine(n)
Else
TextWindow.WriteLine(op)
EndIf
EndFor
|
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 ... | #Clojure | Clojure | (defn fibs []
(map first (iterate (fn [[a b]] [b (+ a b)]) [0 1]))) |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Frink | Frink | allFactors[n] |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #VBScript | VBScript |
'function arguments:
'init - initial series of the sequence(e.g. "1,1")
'rep - how many times the sequence repeats - init
Function generate_seq(init,rep)
token = Split(init,",")
step_count = UBound(token)
rep = rep - (UBound(token) + 1)
out = init
For i = 1 To rep
sum = 0
n = step_count
Do While n >= 0
... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Octave | Octave | arr = [1:100];
evennums = arr( mod(arr, 2) == 0 );
disp(evennums); |
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)
... | #min | min | 0 (
succ false :hit
(3 mod 0 ==) ("Fizz" print! true @hit) when
(5 mod 0 ==) ("Buzz" print! true @hit) when
(hit) (print) unless newline
) 100 times |
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 ... | #CLU | CLU | % Generate Fibonacci numbers
fib = iter () yields (int)
a: int := 0
b: int := 1
while true do
yield (a)
a, b := b, a+b
end
end fib
% Grab the n'th value from an iterator
nth = proc [T: type] (g: itertype () yields (T), n: int) returns (T)
for v: T in g() do
if n<=0 then ... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #FunL | FunL | def factors( n ) = {d | d <- 1..n if d|n} |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #Visual_Basic_.NET | Visual Basic .NET | ' Fibonacci n-step number sequences - VB.Net
Public Class FibonacciNstep
Const nmax = 20
Sub Main()
Dim bonacci As String() = {"", "", "Fibo", "tribo", "tetra", "penta", "hexa"}
Dim i As Integer
'Fibonacci:
For i = 2 To 6
Debug.Print(bonacci(i) & "nacci: " & Fibon... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Oforth | Oforth | 100 seq filter(#isEven) |
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)
... | #MiniScript | MiniScript | for i in range(1,100)
if i % 15 == 0 then
print "FizzBuzz"
else if i % 3 == 0 then
print "Fizz"
else if i % 5 == 0 then
print "Buzz"
else
print i
end if
end for |
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 ... | #CMake | CMake | set_property(GLOBAL PROPERTY fibonacci_0 0)
set_property(GLOBAL PROPERTY fibonacci_1 1)
set_property(GLOBAL PROPERTY fibonacci_next 2)
# var = nth number in Fibonacci sequence.
function(fibonacci var n)
# If the sequence is too short, compute more Fibonacci numbers.
get_property(next GLOBAL PROPERTY fibonacci_nex... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #FutureBasic | FutureBasic | window 1, @"Factors of an Integer", (0,0,1000,270)
clear local mode
local fn IntegerFactors( f as long ) as CFStringRef
long i, s, l(100), c = 0
CFStringRef factorStr = @""
for i = 1 to sqr(f)
if ( f mod i == 0 )
l(c) = i
c++
if ( f != i ^ 2 )
l(c) = ( f / i )
c++
... |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #Vlang | Vlang | fn fib_n(initial []int, num_terms int) []int {
n := initial.len
if n < 2 || num_terms < 0 {panic("Invalid argument(s).")}
if num_terms <= n {return initial}
mut fibs := []int{len:num_terms}
for i in 0..n {
fibs[i] = initial[i]
}
for i in n..num_terms {
mut sum := 0
fo... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Ol | Ol |
(filter even? '(1 2 3 4 5 6 7 8 9 10))
|
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)
... | #MIPS_Assembly | MIPS Assembly |
#################################
# Fizz Buzz #
# MIPS Assembly targetings MARS #
# By Keith Stellyes #
# August 24, 2016 #
#################################
# $a0 left alone for printing
# $a1 stores our counter
# $a2 is 1 if not evenly divisible
.data
fizz: .asciiz... |
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 ... | #COBOL | COBOL | Program-ID. Fibonacci-Sequence.
Data Division.
Working-Storage Section.
01 FIBONACCI-PROCESSING.
05 FIBONACCI-NUMBER PIC 9(36) VALUE 0.
05 FIB-ONE PIC 9(36) VALUE 0.
05 FIB-TWO PIC 9(36) VALUE 1.
01 DESIRED-COUNT PIC 9(4).
01 FORMATTING.
05 INTERM-RESULT ... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #GAP | GAP | # Built-in function
DivisorsInt(Factorial(5));
# [ 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120 ]
# A possible implementation, not suitable to large n
div := n -> Filtered([1 .. n], k -> n mod k = 0);
div(Factorial(5));
# [ 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120 ]
# Another implement... |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #Wren | Wren | import "/fmt" for Fmt
var fibN = Fn.new { |initial, numTerms|
var n = initial.count
if (n < 2 || numTerms < 0) Fiber.abort("Invalid argument(s).")
if (numTerms <= n) return initial.toList
var fibs = List.filled(numTerms, 0)
for (i in 0...n) fibs[i] = initial[i]
for (i in n...numTerms) {
... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #ooRexx | ooRexx | Call random ,,1234567
a=.array~new
b=.array~new
Do i=1 To 10
a[i]=random(1,9999)
End
Say 'Unfiltered values:' a~makestring(line,' ')
/* copy even numbers to array b */
j=0
Do i=1 to 10
If filter(a[i]) Then Do
j = j + 1
b[j]=a[i]
End
end
Say 'Filtered values (in second array): ' ... |
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)
... | #Mirah | Mirah | 1.upto(100) do |n|
print "Fizz" if a = ((n % 3) == 0)
print "Buzz" if b = ((n % 5) == 0)
print n unless (a || b)
print "\n"
end |
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 ... | #CoffeeScript | CoffeeScript | fib_ana = (n) ->
sqrt = Math.sqrt
phi = ((1 + sqrt(5))/2)
Math.round((Math.pow(phi, n)/sqrt(5))) |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Go | Go | package main
import "fmt"
func main() {
printFactors(-1)
printFactors(0)
printFactors(1)
printFactors(2)
printFactors(3)
printFactors(53)
printFactors(45)
printFactors(64)
printFactors(600851475143)
printFactors(999999999999999989)
}
func printFactors(nr int64) {
if nr ... |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #XPL0 | XPL0 | include c:\cxpl\codes; \intrinsic 'code' declarations
proc Nacci(N, F0); \Generate Fibonacci N-step sequence
int N, \step size
F0; \array of first N values
int I, J;
def M = 10; \number of members in the sequence
int F(M); ... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Oz | Oz | declare
Lst = [1 2 3 4 5]
LstEven = {Filter Lst IsEven} |
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)
... | #ML | ML | local
fun fbstr i =
case (i mod 3 = 0, i mod 5 = 0) of
(true , true ) => "FizzBuzz"
| (true , false) => "Fizz"
| (false, true ) => "Buzz"
| (false, false) => Int.toString i
fun fizzbuzz' (n, j) =
if n = j then () else (print (fbstr j ^ "\n"); fizzbuzz' (n, j+1))
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 ... | #Comefrom0x10 | Comefrom0x10 | stop = 6
a = 1
i = 1 # start
a # print result
fib
comefrom if i is 1 # start
b = 1
comefrom fib # start of loop
i = i + 1
next_b = a + b
a = b
b = next_b
comefrom fib if i > stop |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Gosu | Gosu | var numbers = {11, 21, 32, 45, 67, 96}
numbers.each(\ number -> printFactors(number))
function printFactors(n: int) {
if (n < 1) return
var result ="${n} => "
(1 .. n/2).each(\ i -> {result += n % i == 0 ? "${i} " : ""})
print("${result}${n}")
} |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #Yabasic | Yabasic | sub nStepFibs$(seq$, limit)
local iMax, sum, numb$(1), lim, i
lim = token(seq$, numb$(), ",")
redim numb$(limit)
seq$ = ""
iMax = lim - 1
while(lim < limit)
sum = 0
for i = 0 to iMax : sum = sum + val(numb$(lim - i)) : next
lim = lim + 1
numb$(lim) = str$(sum)
... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #PARI.2FGP | PARI/GP | iseven(n)=n%2==0
select(iseven, [2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17]) |
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)
... | #MMIX | MMIX | t IS $255
Ja IS $127
LOC Data_Segment
data GREG @
fizz IS @-Data_Segment
BYTE "Fizz",0,0,0,0
buzz IS @-Data_Segment
BYTE "Buzz",0,0,0,0
nl IS @-Data_Segment
BYTE #a,0,0,0,0,0,0,0
buffer IS @-Data_Segment
LOC #1000
GREG @
% "usual" print integer s... |
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 ... | #Common_Lisp | Common Lisp | (defun fibonacci-iterative (n &aux (f0 0) (f1 1))
(case n
(0 f0)
(1 f1)
(t (loop for n from 2 to n
for a = f0 then b and b = f1 then result
for result = (+ a b)
finally (return result))))) |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Groovy | Groovy | def factorize = { long target ->
if (target == 1) return [1L]
if (target < 4) return [1L, target]
def targetSqrt = Math.sqrt(target)
def lowfactors = (2L..targetSqrt).grep { (target % it) == 0 }
if (lowfactors == []) return [1L, target]
def nhalf = lowfactors.size() - ((lowfactors[-1] == ... |
http://rosettacode.org/wiki/Fibonacci_n-step_number_sequences | Fibonacci n-step number sequences | These number series are an expansion of the ordinary Fibonacci sequence where:
For
n
=
2
{\displaystyle n=2}
we have the Fibonacci sequence; with initial values
[
1
,
1
]
{\displaystyle [1,1]}
and
F
k
2
=
F
k
−
1
2
+
F
k
−
2
2
{\displaystyle F_{k}^{2}=F_{k-1}^{2}+F_{k-2}^{2}}
... | #zkl | zkl | fcn fibN(ns){ fcn(ns){ ns.append(ns.sum()).pop(0) }.fp(vm.arglist.copy()); } |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Pascal | Pascal | const
numbers:array[0..9] of integer = (0,1,2,3,4,5,6,7,8,9);
for x = 1 to 10 do
if odd(numbers[x]) then
writeln( 'The number ',numbers[x],' is odd.');
else
writeln( 'The number ',numbers[x],' is even.'); |
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)
... | #Modula-2 | Modula-2 | MODULE Fizzbuzz;
FROM FormatString IMPORT FormatString;
FROM Terminal IMPORT WriteString,WriteLn,ReadChar;
TYPE CB = PROCEDURE(INTEGER);
PROCEDURE Fizz(n : INTEGER);
BEGIN
IF n MOD 3 = 0 THEN
WriteString("Fizz");
Buzz(n,Newline)
ELSE
Buzz(n,WriteInt)
END
END Fizz;
PROCEDURE Buz... |
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 ... | #Computer.2Fzero_Assembly | Computer/zero Assembly | loop: LDA y ; higher No.
STA temp
ADD x ; lower No.
STA y
LDA temp
STA x
LDA count
SUB one
BRZ done
STA count
JMP loop
done: LDA y
STP
one: 1
count: 8 ; n = 10
x: 1
y: ... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Haskell | Haskell | import HFM.Primes (primePowerFactors)
import Control.Monad (mapM)
import Data.List (product)
-- primePowerFactors :: Integer -> [(Integer,Int)]
factors = map product .
mapM (\(p,m)-> [p^i | i<-[0..m]]) . primePowerFactors |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Peloton | Peloton | <@ LETCNWLSTLIT>numbers|1 2 3 4 5 6 7 8 9 10 11 12</@>
<@ DEFLST>evens</@>
<@ ENULSTLIT>numbers|
<@ TSTEVEELTLST>...</@>
<@ IFF>
<@ LETLSTELTLST>evens|...</@>
</@>
</@> |
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)
... | #Modula-3 | Modula-3 | MODULE Fizzbuzz EXPORTS Main;
IMPORT IO;
BEGIN
FOR i := 1 TO 100 DO
IF i MOD 15 = 0 THEN
IO.Put("FizzBuzz\n");
ELSIF i MOD 5 = 0 THEN
IO.Put("Buzz\n");
ELSIF i MOD 3 = 0 THEN
IO.Put("Fizz\n");
ELSE
IO.PutInt(i);
IO.Put("\n");
END;
... |
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 ... | #Corescript | Corescript | print Fibonacci Sequence:
var previous = 1
var number = 0
var temp = (blank)
:fib
if number > 50000000000:kill
print (number)
set temp = (add number previous)
set previous = (number)
set number = (temp)
goto fib
:kill
stop |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #HicEst | HicEst | DLG(NameEdit=N, TItle='Enter an integer')
DO i = 1, N^0.5
IF( MOD(N,i) == 0) WRITE() i, N/i
ENDDO
END |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Perl | Perl | my @a = (1, 2, 3, 4, 5, 6);
my @even = grep { $_%2 == 0 } @a; |
http://rosettacode.org/wiki/FizzBuzz | FizzBuzz | Task
Write a program that prints the integers from 1 to 100 (inclusive).
But:
for multiples of three, print Fizz (instead of the number)
for multiples of five, print Buzz (instead of the number)
for multiples of both three and five, print FizzBuzz (instead of the number)
... | #Monte | Monte | def fizzBuzz(top):
var t := 1
while (t < top):
if ((t % 3 == 0) || (t % 5 == 0)):
if (t % 15 == 0):
traceln(`$t FizzBuzz`)
else if (t % 3 == 0):
traceln(`$t Fizz`)
else:
traceln(`$t Buzz`)
t += 1
fizzBuzz(10... |
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 ... | #Cowgol | Cowgol | include "cowgol.coh";
sub fibonacci(n: uint32): (a: uint32) is
a := 0;
var b: uint32 := 1;
while n > 0 loop
var c := a + b;
a := b;
b := c;
n := n - 1;
end loop;
end sub;
# test
var i: uint32 := 0;
while i < 20 loop
print_i32(fibonacci(i));
print_char(' ');
... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Icon_and_Unicon | Icon and Unicon | procedure main(arglist)
numbers := arglist ||| [ 32767, 45, 53, 64, 100] # combine command line provided and default set of values
every writes(lf,"factors of ",i := !numbers,"=") & writes(divisors(i)," ") do lf := "\n"
end
link factors |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Phix | Phix | function even(integer i)
return remainder(i,2)=0
end function
?filter(tagset(10),even)
|
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)
... | #MontiLang | MontiLang | &DEFINE LOOP 100&
1 VAR i .
FOR LOOP
|| VAR ln .
i 5 % 0 ==
IF : .
ln |Buzz| + VAR ln .
ENDIF
i 3 % 0 ==
IF : .
ln |Fizz| + VAR ln .
ENDIF
ln || ==
IF : .
i PRINT .
ENDIF
ln || !=
IF : .
ln PRINT .
ENDIF
i 1 + VAR i .
ENDFOR |
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 ... | #Crystal | Crystal | def fib(n)
n < 2 ? n : fib(n - 1) + fib(n - 2)
end |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #J | J | foi=: [: I. 0 = (|~ i.@>:) |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #PHL | PHL | module var;
extern printf;
@Integer main [
var arr = 1..9;
var evens = arr.filter(#(i) i % 2 == 0);
printf("%s\n", evens::str);
return 0;
] |
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)
... | #MoonScript | MoonScript | for i = 1,100
print ((a) -> a == "" and i or a) table.concat {
i % 3 == 0 and "Fizz" or ""
i % 5 == 0 and "Buzz" or ""} |
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 ... | #D | D | import std.stdio, std.conv, std.algorithm, std.math;
long sgn(alias unsignedFib)(int n) { // break sign manipulation apart
immutable uint m = (n >= 0) ? n : -n;
if (n < 0 && (n % 2 == 0))
return -unsignedFib(m);
else
return unsignedFib(m);
}
long fibD(uint m) { // Direct Calculation, cor... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Java | Java | public static TreeSet<Long> factors(long n)
{
TreeSet<Long> factors = new TreeSet<Long>();
factors.add(n);
factors.add(1L);
for(long test = n - 1; test >= Math.sqrt(n); test--)
if(n % test == 0)
{
factors.add(test);
factors.add(n / test);
}
return factors;
} |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #PHP | PHP | $arr = range(1,5);
$evens = array();
foreach ($arr as $val){
if ($val % 2 == 0) $evens[] = $val);
}
print_r($evens); |
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)
... | #MUMPS | MUMPS | FIZZBUZZ
NEW I
FOR I=1:1:100 WRITE !,$SELECT(('(I#3)&'(I#5)):"FizzBuzz",'(I#5):"Buzz",'(I#3):"Fizz",1:I)
KILL I
QUIT |
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 ... | #Dart | Dart | int fib(int n) {
if (n==0 || n==1) {
return n;
}
var prev=1;
var current=1;
for (var i=2; i<n; i++) {
var next = prev + current;
prev = current;
current = next;
}
return current;
}
int fibRec(int n) => n==0 || n==1 ? n : fibRec(n-1) + fibRec(n-2);
main() {
print(fib(11));
print... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #JavaScript | JavaScript | function factors(num)
{
var
n_factors = [],
i;
for (i = 1; i <= Math.floor(Math.sqrt(num)); i += 1)
if (num % i === 0)
{
n_factors.push(i);
if (num / i !== i)
n_factors.push(num / i);
}
n_factors.sort(function(a, b){return a - b;}); // numeric sort
return n_factors;
}
factors(45); // [1,3,... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Picat | Picat | [I : I in 1..20, I mod 2 == 0] |
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)
... | #Nanoquery | Nanoquery | for i in range(1, 100)
if ((i % 3) = 0) and ((i % 5) = 0)
println "FizzBuzz"
else if i % 3 = 0
println "Fizz"
else if i % 5 = 0
println "Buzz"
else
println i
end
end |
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 ... | #Datalog | Datalog | .decl Fib(i:number, x:number)
Fib(0, 0).
Fib(1, 1).
Fib(i+2,x+y) :- Fib(i+1, x), Fib(i, y), i+2<=40, i+2>=2.
Fib(i-2,y-x) :- Fib(i-1, x), Fib(i, y), i-2>=-40, i-2<0. |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #jq | jq | # This implementation uses "sort" for tidiness
def factors:
. as $num
| reduce range(1; 1 + sqrt|floor) as $i
([];
if ($num % $i) == 0 then
($num / $i) as $r
| if $i == $r then . + [$i] else . + [$i, $r] end
else .
end )
| sort;
def task:
(45, 53, 64) | "\(.): \(f... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #PicoLisp | PicoLisp | (filter '((N) (not (bit? 1 N)))
(1 2 3 4 5 6 7 8 9) ) |
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)
... | #NATURAL | NATURAL |
DEFINE DATA
LOCAL
1 #I (I4)
1 #MODULO (I4)
1 #DIVISOR (I4)
1 #OUT (A10)
END-DEFINE
* ... |
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 ... | #DBL | DBL | ;
; Fibonacci sequence for DBL version 4 by Dario B.
;
RECORD
FIB1, D10
FIB2, D10
FIBN, D10
J, D5
A2, A2
A5, A5
PROC
;----------------------------------------------------------------
XCALL FLAGS (0007000000,1) ;Suppress STOP message
... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Julia | Julia | using Primes
function factors(n)
f = [one(n)]
for (p,e) in factor(n)
f = reduce(vcat, [f*p^j for j in 1:e], init=f)
end
return length(f) == 1 ? [one(n), n] : sort!(f)
end
const examples = [28, 45, 53, 64, 6435789435768]
for n in examples
@time println("The factors of $n are: $(factors(... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #PL.2FI | PL/I | (subscriptrange):
filter_values: procedure options (main); /* 15 November 2013 */
declare a(20) fixed, b(*) fixed controlled;
declare (i, j, n) fixed binary;
a = random()*99999; /* fill the array with random elements from 0-99998 */
put list ('Unfiltered values:');
put skip edit (a) (f(6));
/* Loop ... |
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)
... | #Neko | Neko | var i = 1
while(i < 100) {
if(i % 15 == 0) {
$print("FizzBuzz\n");
} else if(i % 3 == 0) {
$print("Fizz\n");
} else if(i % 5 == 0) {
$print("Buzz\n");
} else {
$print(i + "\n");
}
i ++= 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 ... | #Dc | Dc | [ # todo: n(<2) -- 1 and break 2 levels
d - # 0
1 + # 1
q
] s1
[ # todo: n(>-1) -- F(n)
d 0=1 # n(!=0)
d 1=1 # n(!in {0,1})
2 - d 1 + # (n-2) (n-1)
lF x # (n-2) F(n-1)
r # F(n-1) (n-2)
lF x # F(n-1)+F(n... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #K | K | f:{i:{y[&x=y*x div y]}[x;1+!_sqrt x];?i,x div|i}
equivalent to:
q)f:{i:{y where x=y*x div y}[x ; 1+ til floor sqrt x]; distinct i,x div reverse i}
f 120
1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120
f 1024
1 2 4 8 16 32 64 128 256 512 1024
f 600851475143
1 71 839 1471 6857 59569 104441 486847 1234169 575302... |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #Pop11 | Pop11 | ;;; Generic filtering procedure which selects from ar elements
;;; satisfying pred
define filter_array(ar, pred);
lvars i, k;
stacklength() -> k;
for i from 1 to length(ar) do
;;; if element satisfies pred we leave it on the stack
if pred(ar(i)) then ar(i) endif;
endfor;
;;; Collect elemen... |
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)
... | #Nemerle | Nemerle | using System;
using System.Console;
module FizzBuzz
{
FizzBuzz(x : int) : string
{
|x when x % 15 == 0 => "FizzBuzz"
|x when x % 5 == 0 => "Buzz"
|x when x % 3 == 0 => "Fizz"
|_ => $"$x"
}
Main() : void
{
foreach (i in [1 .. 100])
... |
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 ... | #Delphi | Delphi |
function FibonacciI(N: Word): UInt64;
var
Last, New: UInt64;
I: Word;
begin
if N < 2 then
Result := N
else begin
Last := 0;
Result := 1;
for I := 2 to N do
begin
New := Last + Result;
Last := Result;
Result := New;
end;
end;
end;
|
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Kotlin | Kotlin | fun printFactors(n: Int) {
if (n < 1) return
print("$n => ")
(1..n / 2)
.filter { n % it == 0 }
.forEach { print("$it ") }
println(n)
}
fun main(args: Array<String>) {
val numbers = intArrayOf(11, 21, 32, 45, 67, 96)
for (number in numbers) printFactors(number)
} |
http://rosettacode.org/wiki/Filter | Filter | Task
Select certain elements from an Array into a new Array in a generic way.
To demonstrate, select all even numbers from an Array.
As an option, give a second solution which filters destructively,
by modifying the original Array rather than creating a new Array.
| #PostScript | PostScript |
[1 2 3 4 5 6 7 8 9 10] {2 mod 0 eq} find
|
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)
... | #NetRexx | NetRexx | loop j=1 for 100
select
when j//15==0 then say 'FizzBuzz'
when j//5==0 then say 'Buzz'
when j//3==0 then say 'Fizz'
otherwise say j.right(4)
end
end |
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 ... | #DIBOL-11 | DIBOL-11 |
START ;First 10 Fibonacci NUmbers
RECORD
FIB1, D10, 0
FIB2, D10, 1
FIBNEW, D10
LOOPCNT, D2, 1
RECORD HEADER
, A32, "First 10 Fibonacci Numbers."
RECORD OUTPUT
LOOPOUT, A2
, A3, ... |
http://rosettacode.org/wiki/Factors_of_an_integer | Factors of an integer |
Basic Data Operation
This is a basic data operation. It represents a fundamental action on a basic data type.
You may see other such operations in the Basic Data Operations category, or:
Integer Operations
Arithmetic |
Comparison
Boolean Operations
Bitwise |
Logical
String Operations
Concatenation |
Interpolation |... | #Lambdatalk | Lambdatalk |
{def factors
{def factors.r
{lambda {:num :i :N}
{if {> :i :N}
then
else {if {= {% :num :i} 0}
then :i
{if {not {= {/ :num :i} :i}}
then {/ :num :i}
else}
else}
{factors.r :num {+ :i 1} :N} }}}
{lambda {:n}
{S.sort < {fa... |
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Identifies tasks common to both COBOL and Python languages that are described as having difficulty levels, revealing cross-language task similarities and providing useful comparative programming examples.
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