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/Sum_of_squares | Sum of squares | Task
Write a program to find the sum of squares of a numeric vector.
The program should work on a zero-length vector (with an answer of 0).
Related task
Mean
| #Wren | Wren | var sumSquares = Fn.new { |v| v.reduce(0) { |sum, n| sum + n * n } }
var v = [1, 2, 3, -1, -2, -3]
System.print("Vector : %(v)")
System.print("Sum of squares : %(sumSquares.call(v))") |
http://rosettacode.org/wiki/Substring | Substring |
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 |... | #newLISP | newLISP | > (set 'str "alphabet" 'n 2 'm 4)
4
> ; starting from n characters in and of m length
> (slice str n m)
"phab"
> ; starting from n characters in, up to the end of the string
> (slice str n)
"phabet"
> ; whole string minus last character
> (chop str)
"alphabe"
> ; starting from a known character within the string and of... |
http://rosettacode.org/wiki/Sudoku | Sudoku | Task
Solve a partially filled-in normal 9x9 Sudoku grid and display the result in a human-readable format.
references
Algorithmics of Sudoku may help implement this.
Python Sudoku Solver Computerphile video.
| #Swift | Swift | import Foundation
typealias SodukuPuzzle = [[Int]]
class Soduku {
let mBoardSize:Int!
let mBoxSize:Int!
var mBoard:SodukuPuzzle!
var mRowSubset:[[Bool]]!
var mColSubset:[[Bool]]!
var mBoxSubset:[[Bool]]!
init(board:SodukuPuzzle) {
mBoard = board
mBoardSize = board.count... |
http://rosettacode.org/wiki/Substring/Top_and_tail | Substring/Top and tail | The task is to demonstrate how to remove the first and last characters from a string.
The solution should demonstrate how to obtain the following results:
String with first character removed
String with last character removed
String with both the first and last characters removed
If the program uses UTF-8 or UTF... | #TorqueScript | TorqueScript | %string = "Moo";
%string = getSubStr(%string, 1, strLen(%string) - 1);
echo(%string);
|
http://rosettacode.org/wiki/Substring/Top_and_tail | Substring/Top and tail | The task is to demonstrate how to remove the first and last characters from a string.
The solution should demonstrate how to obtain the following results:
String with first character removed
String with last character removed
String with both the first and last characters removed
If the program uses UTF-8 or UTF... | #TUSCRIPT | TUSCRIPT |
$$ MODE TUSCRIPT
str="upraisers"
str1=EXTRACT (str,2,0)
str2=EXTRACT (str,0,-1)
str3=EXTRACT (str,2,-1)
PRINT str
PRINT str1
PRINT str2
PRINT str3
|
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #Ruby | Ruby | arr = [1,2,3,4,5] # or ary = *1..5, or ary = (1..5).to_a
p sum = arr.inject(0) { |sum, item| sum + item }
# => 15
p product = arr.inject(1) { |prod, element| prod * element }
# => 120 |
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #Run_BASIC | Run BASIC | dim array(100)
for i = 1 To 100
array(i) = rnd(0) * 100
next i
product = 1
for i = 0 To 19
sum = (sum + array(i))
product = (product * array(i))
next i
Print " Sum is ";sum
Print "Product is ";product |
http://rosettacode.org/wiki/Sum_of_a_series | Sum of a series | Compute the nth term of a series, i.e. the sum of the n first terms of the corresponding sequence.
Informally this value, or its limit when n tends to infinity, is also called the sum of the series, thus the title of this task.
For this task, use:
S
n
=
∑
k
=
1
n
1
k
2
{\displa... | #OCaml | OCaml | let sum a b fn =
let result = ref 0. in
for i = a to b do
result := !result +. fn i
done;
!result |
http://rosettacode.org/wiki/Sum_of_a_series | Sum of a series | Compute the nth term of a series, i.e. the sum of the n first terms of the corresponding sequence.
Informally this value, or its limit when n tends to infinity, is also called the sum of the series, thus the title of this task.
For this task, use:
S
n
=
∑
k
=
1
n
1
k
2
{\displa... | #Octave | Octave | sum(1 ./ [1:1000] .^ 2) |
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #Tcl | Tcl | proc stripchars {str chars} {
foreach c [split $chars ""] {set str [string map [list $c ""] $str]}
return $str
}
set s "She was a soul stripper. She took my heart!"
puts [stripchars $s "aei"] |
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #TorqueScript | TorqueScript | $string = "She was a soul stripper. She took my heart!";
$chars = "aei";
$newString = stripChars($string, $chars);
echo($string);
echo($newString);
|
http://rosettacode.org/wiki/String_comparison | String comparison |
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 |... | #SNOBOL4 | SNOBOL4 | s1 = 'mnopqrs'
s2 = 'mnopqrs'
s3 = 'mnopqr'
s4 = 'nop'
s5 = 'nOp'
OUTPUT = 'Case sensitive comparisons:'
OUTPUT = LEQ(s1, s2) s1 ' and ' s2 ' are equal (LEQ).'
OUTPUT = IDENT(s1, s2) s1 ' and ' s2 ' are equal (IDENT).'
OUTPUT =
OUTPUT = LNE(s1, s3) s1 ' an... |
http://rosettacode.org/wiki/String_comparison | String comparison |
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 |... | #Standard_ML | Standard ML | map String.compare [ ("one","one"),
("one","two"),
("one","Two"),
("one",String.map Char.toLower "Two")
] ;
val it = [EQUAL, LESS, GREATER, LESS]: order list
"one" <> "two" ;
val it = true: bool
|
http://rosettacode.org/wiki/String_case | String case | Task
Take the string alphaBETA and demonstrate how to convert it to:
upper-case and
lower-case
Use the default encoding of a string literal or plain ASCII if there is no string literal in your language.
Note: In some languages alphabets toLower and toUpper is not reversable.
Show any additional... | #NewLISP | NewLISP |
(upper-case "alphaBETA")
(lower-case "alphaBETA")
|
http://rosettacode.org/wiki/String_case | String case | Task
Take the string alphaBETA and demonstrate how to convert it to:
upper-case and
lower-case
Use the default encoding of a string literal or plain ASCII if there is no string literal in your language.
Note: In some languages alphabets toLower and toUpper is not reversable.
Show any additional... | #Nial | Nial | toupper 'alphaBETA'
=ALPHABETA
tolower 'alphaBETA'
=alphabeta |
http://rosettacode.org/wiki/String_matching | String matching |
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 |... | #MATLAB_.2F_Octave | MATLAB / Octave |
% 1. Determining if the first string starts with second string
strcmp(str1,str2,length(str2))
% 2. Determining if the first string contains the second string at any location
~isempty(strfind(s1,s2))
% 3. Determining if the first string ends with the second string
( (length(str1)>=length(str2)) && strcmp(... |
http://rosettacode.org/wiki/String_length | String length | Task
Find the character and byte length of a string.
This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters.
By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters.
F... | #Liberty_BASIC | Liberty BASIC | utf8Str = "Hello world äöü"
put utf8Str.length
-- 15 |
http://rosettacode.org/wiki/String_length | String length | Task
Find the character and byte length of a string.
This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters.
By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters.
F... | #Lingo | Lingo | utf8Str = "Hello world äöü"
put utf8Str.length
-- 15 |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #Python | Python | s1 = "hello"
print s1 + " world"
s2 = s1 + " world"
print s2 |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #QB64 | QB64 | s1$ = "String"
s2$ = s1$ + " concatenation"
PRINT s1$
PRINT s2$ |
http://rosettacode.org/wiki/Sum_multiples_of_3_and_5 | Sum multiples of 3 and 5 | Task
The objective is to write a function that finds the sum of all positive multiples of 3 or 5 below n.
Show output for n = 1000.
This is is the same as Project Euler problem 1.
Extra credit: do this efficiently for n = 1e20 or higher.
| #Simula | Simula | ! Find the sum of multiples of two factors below a limit -
! Project Euler problem 1: multiples of 3 or 5 below 1000 & 10**20;
BEGIN
INTEGER PROCEDURE GCD(a, b); INTEGER a, b;
GCD := IF b = 0 THEN a ELSE GCD(b, MOD(a, b));
! sum of multiples of n up to limit;
INTEGER PROCEDURE multiples(n, limit);... |
http://rosettacode.org/wiki/Sum_digits_of_an_integer | Sum digits of an integer | Task
Take a Natural Number in a given base and return the sum of its digits:
110 sums to 1
123410 sums to 10
fe16 sums to 29
f0e16 sums to 29
| #Transd | Transd | #lang transd
MainModule : {
v10: [1, 1234, 10000000],
vvar: ["fe:16", "f0e:16", "2022:3", "Transd:30"],
sumDigits: (λ s String()
(with snum (substr s 0 ":")
base (first (substr s after: ":") "10") n 0
(textout "sum of " :left width: 10 (+ snum ":" base " : " ))
(t... |
http://rosettacode.org/wiki/Sum_of_squares | Sum of squares | Task
Write a program to find the sum of squares of a numeric vector.
The program should work on a zero-length vector (with an answer of 0).
Related task
Mean
| #XLISP | XLISP | (defun sum-of-squares (vec)
(defun sumsq (xs)
(if (null xs)
0
(+ (expt (car xs) 2) (sumsq (cdr xs)))))
(sumsq (vector->list vec)))
(define first-seven-primes #(2 3 5 7 11 13 17))
(define zero-length-vector #())
(print `(the sum of the squares of the first seven prime number... |
http://rosettacode.org/wiki/Substring | Substring |
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 |... | #Nim | Nim | import strformat, strutils, unicode
let
s1 = "abcdefgh" # ASCII string.
s2 = "àbĉdéfgĥ" # UTF-8 string.
n = 2
m = 3
c = 'd'
cs1 = "de"
cs2 = "dé"
var pos: int
# ASCII strings.
# We can take a substring using "s.substr(first, last)" or "s[first..last]".
# The latter form can also be used as lvalu... |
http://rosettacode.org/wiki/Substring | Substring |
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 |... | #Niue | Niue | ( based on the JavaScript code )
'abcdefgh 's ;
s str-len 'len ;
2 'n ;
3 'm ;
( starting from n characters in and of m length )
s n n m + substring . ( => cde ) newline
( starting from n characters in, up to the end of the string )
s n len substring . ( => cdefgh ) newline
( whole string minus last character )
s... |
http://rosettacode.org/wiki/Sudoku | Sudoku | Task
Solve a partially filled-in normal 9x9 Sudoku grid and display the result in a human-readable format.
references
Algorithmics of Sudoku may help implement this.
Python Sudoku Solver Computerphile video.
| #SystemVerilog | SystemVerilog |
//////////////////////////////////////////////////////////////////////////////
/// SudokuSolver ///
/// A class that fills up a sudoku board, the initial board is given ///
/// as an array preset_rows, the positions where preset_rows is zero ///
... |
http://rosettacode.org/wiki/Substring/Top_and_tail | Substring/Top and tail | The task is to demonstrate how to remove the first and last characters from a string.
The solution should demonstrate how to obtain the following results:
String with first character removed
String with last character removed
String with both the first and last characters removed
If the program uses UTF-8 or UTF... | #UNIX_Shell | UNIX Shell | str='abcdefg'
echo "${str#?}" # Remove first char
echo "${str%?}" # Remove last char |
http://rosettacode.org/wiki/Substring/Top_and_tail | Substring/Top and tail | The task is to demonstrate how to remove the first and last characters from a string.
The solution should demonstrate how to obtain the following results:
String with first character removed
String with last character removed
String with both the first and last characters removed
If the program uses UTF-8 or UTF... | #Vala | Vala |
// declare test string
string s = "Hello, world!";
// remove first letter
string s_first = s[1:s.length];
//remove last letter
string s_last = s[0:s.length - 1];
// remove first and last letters
string s_first_last = s[1:s.length - 1];
|
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #Rust | Rust |
fn main() {
let arr = vec![1, 2, 3, 4, 5, 6, 7, 8, 9];
// using fold
let sum = arr.iter().fold(0i32, |a, &b| a + b);
let product = arr.iter().fold(1i32, |a, &b| a * b);
println!("the sum is {} and the product is {}", sum, product);
// or using sum and product
let sum = arr.iter().sum... |
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #S-lang | S-lang | variable a = [5, -2, 3, 4, 666, 7]; |
http://rosettacode.org/wiki/Sum_of_a_series | Sum of a series | Compute the nth term of a series, i.e. the sum of the n first terms of the corresponding sequence.
Informally this value, or its limit when n tends to infinity, is also called the sum of the series, thus the title of this task.
For this task, use:
S
n
=
∑
k
=
1
n
1
k
2
{\displa... | #Oforth | Oforth | : sumSerie(s, n) 0 n seq apply(#[ s perform + ]) ; |
http://rosettacode.org/wiki/Sum_of_a_series | Sum of a series | Compute the nth term of a series, i.e. the sum of the n first terms of the corresponding sequence.
Informally this value, or its limit when n tends to infinity, is also called the sum of the series, thus the title of this task.
For this task, use:
S
n
=
∑
k
=
1
n
1
k
2
{\displa... | #OpenEdge.2FProgress | OpenEdge/Progress | DEF VAR dcResult AS DECIMAL NO-UNDO.
DEF VAR n AS INT NO-UNDO.
DO n = 1 TO 1000 :
dcResult = dcResult + 1 / (n * n) .
END.
DISPLAY dcResult . |
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #Transd | Transd | #lang transd
MainModule: {
_start: (λ
(with s "She was a soul stripper. She took my heart!"
(textout (replace s "(a|e|i)" "")))
)
} |
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #True_BASIC | True BASIC | FUNCTION stripchars$(text$, remove$)
LET s$ = text$
FOR i = 1 TO LEN(remove$)
DO
LET t = POS(s$, (remove$)[i:i])
IF t <> 0 THEN LET s$ = (s$)[1:t-1] & (s$)[t+1:maxnum] ELSE EXIT DO
LOOP
NEXT i
LET stripchars$ = s$
END FUNCTION
PRINT stripchars$("She was a soul str... |
http://rosettacode.org/wiki/String_comparison | String comparison |
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 |... | #Swift | Swift | func compare (a: String, b: String) {
if a == b {
println("'\(a)' and '\(b)' are lexically equal.")
}
if a != b {
println("'\(a)' and '\(b)' are not lexically equal.")
}
if a < b {
println("'\(a)' is lexically before '\(b)'.")
}
if a > b {
println("'\(a)' is lexically after '\(b)'.")
}... |
http://rosettacode.org/wiki/String_comparison | String comparison |
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 |... | #Tailspin | Tailspin |
$a -> \(when <=$b> do '$a; equals $b;' ! \) -> !OUT::write
$a -> \(when <~=$b> do '$a; not equal to $b;' ! \) -> !OUT::write
$a -> \(when <..$b> do '$a; lexically less or equal to $b;' ! \) -> !OUT::write
$a -> \(when <$b..> do '$a; lexically greater or equal to $b;' ! \) -> !OUT::write
$a -> \(when <..~$b> d... |
http://rosettacode.org/wiki/String_case | String case | Task
Take the string alphaBETA and demonstrate how to convert it to:
upper-case and
lower-case
Use the default encoding of a string literal or plain ASCII if there is no string literal in your language.
Note: In some languages alphabets toLower and toUpper is not reversable.
Show any additional... | #Nim | Nim | import strutils
var s: string = "alphaBETA_123"
echo s, " as upper case: ", toUpperAscii(s)
echo s, " as lower case: ", toLowerAscii(s)
echo s, " as capitalized: ", capitalizeAscii(s)
echo s, " as normal case: ", normalize(s) # to lower case without underscores. |
http://rosettacode.org/wiki/String_case | String case | Task
Take the string alphaBETA and demonstrate how to convert it to:
upper-case and
lower-case
Use the default encoding of a string literal or plain ASCII if there is no string literal in your language.
Note: In some languages alphabets toLower and toUpper is not reversable.
Show any additional... | #Objeck | Objeck |
string := "alphaBETA";
string->ToUpper()->PrintLine();
string->ToLower()->PrintLine();
|
http://rosettacode.org/wiki/String_matching | String matching |
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 |... | #min | min | (indexof 0 ==) :starts-with?
(indexof -1 !=) :contains?
((/ $/) swap 1 insert "" join regex ("") !=) :ends-with?
"minimalistic" "min" starts-with? puts!
"minimalistic" "list" contains? puts!
"minimalistic" "list" ends-with? puts! |
http://rosettacode.org/wiki/String_matching | String matching |
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 |... | #MiniScript | MiniScript | string.startsWith = function(s)
return self.len >= s.len and s[:s.len] == s
end function
string.endsWith = function(s)
return self.len >= s.len and s[-s.len:] == s
end function
string.findAll = function(s)
result = []
after = null
while true
foundPos = self.indexOf(s, after)
if f... |
http://rosettacode.org/wiki/String_length | String length | Task
Find the character and byte length of a string.
This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters.
By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters.
F... | #LiveCode | LiveCode | put the length of "Hello World" |
http://rosettacode.org/wiki/String_length | String length | Task
Find the character and byte length of a string.
This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters.
By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters.
F... | #Logo | Logo | print count "|Hello World| ; 11
print count "møøse ; 5
print char 248 ; ø - implies ISO-Latin character set |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #Quackery | Quackery | $ "A duck's quack"
$ " has no echo."
join
echo$ |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #R | R | hello <- "hello"
paste(hello, "literal") # "hello literal"
hl <- paste(hello, "literal") #saves concatenates string to a new variable
paste("no", "spaces", "between", "words", sep="") # "nospacesbetweenwords" |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #Racket | Racket | #lang racket
(define hello "hello")
(displayln hello)
(define world (string-append hello " " "world" "!"))
(displayln world)
;outputs:
; hello
; hello world! |
http://rosettacode.org/wiki/Sum_multiples_of_3_and_5 | Sum multiples of 3 and 5 | Task
The objective is to write a function that finds the sum of all positive multiples of 3 or 5 below n.
Show output for n = 1000.
This is is the same as Project Euler problem 1.
Extra credit: do this efficiently for n = 1e20 or higher.
| #Stata | Stata | clear all
set obs 999
gen a=_n
tabstat a if mod(a,3)==0 | mod(a,5)==0, statistic(sum) |
http://rosettacode.org/wiki/Sum_multiples_of_3_and_5 | Sum multiples of 3 and 5 | Task
The objective is to write a function that finds the sum of all positive multiples of 3 or 5 below n.
Show output for n = 1000.
This is is the same as Project Euler problem 1.
Extra credit: do this efficiently for n = 1e20 or higher.
| #Swift | Swift |
var n:Int=1000
func sum(x:Int)->Int{
var s:Int=0
for i in 0...x{
if i%3==0 || i%5==0
{
s=s+i
}
}
return s
}
var sumofmult:Int=sum(x:n)
print(sumofmult)
|
http://rosettacode.org/wiki/Sum_digits_of_an_integer | Sum digits of an integer | Task
Take a Natural Number in a given base and return the sum of its digits:
110 sums to 1
123410 sums to 10
fe16 sums to 29
f0e16 sums to 29
| #TypeScript | TypeScript | // Sum digits of an integer
function sumOfDigitBase(n: number, bas: number): number {
var digit = 0, sum = 0;
while (n > 0)
{
var tmp = Math.floor(n / bas);
digit = n - bas * tmp;
n = tmp;
sum += digit;
}
return sum;
}
console.log(` 1 sums to ${sumOfDigitBase(1, 10)}`);
console.log(` 1... |
http://rosettacode.org/wiki/Sum_of_squares | Sum of squares | Task
Write a program to find the sum of squares of a numeric vector.
The program should work on a zero-length vector (with an answer of 0).
Related task
Mean
| #XPL0 | XPL0 | include c:\cxpl\codes; \intrinsic 'code' declarations
func SumSq(V, L);
int V, L;
int S, I;
[S:= 0;
for I:= 0 to L-1 do S:= S+sq(V(I));
return S;
]; \SumSq
[IntOut(0, SumSq([1,2,3,4,5,6,7,8,9,10], 10)); CrLf(0);
IntOut(0, SumSq([0], 0)); CrLf(0); \zero-length vector "[]" doesn't compile
] |
http://rosettacode.org/wiki/Sum_of_squares | Sum of squares | Task
Write a program to find the sum of squares of a numeric vector.
The program should work on a zero-length vector (with an answer of 0).
Related task
Mean
| #zkl | zkl | T().reduce(fcn(p,n){ p + n*n },0) //-->0
T(3,1,4,1,5,9).reduce(fcn(p,n){ p + n*n },0.0) //-->133.0
[1..5].reduce(fcn(p,n){ p + n*n },0) //-->55 |
http://rosettacode.org/wiki/Substring | Substring |
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 |... | #Objeck | Objeck |
bundle Default {
class SubString {
function : Main(args : String[]) ~ Nil {
s := "0123456789";
n := 3;
m := 4;
c := '2';
sub := "456";
s->SubString(n, m)->PrintLine();
s->SubString(n)->PrintLine();
s->SubString(0, s->Size())->PrintLine();
s->SubString(s-... |
http://rosettacode.org/wiki/Sudoku | Sudoku | Task
Solve a partially filled-in normal 9x9 Sudoku grid and display the result in a human-readable format.
references
Algorithmics of Sudoku may help implement this.
Python Sudoku Solver Computerphile video.
| #Tailspin | Tailspin |
templates deduceRemainingDigits
data row <"1">, col <"1"> local
templates findOpenPosition
@:{options: 10};
$ -> \[i;j](when <[](..~$@findOpenPosition.options)> do @findOpenPosition: {row: $i, col: $j, options: $::length}; \) -> !VOID
$@ !
end findOpenPosition
templates selectFirst&{pos:}
de... |
http://rosettacode.org/wiki/Substring/Top_and_tail | Substring/Top and tail | The task is to demonstrate how to remove the first and last characters from a string.
The solution should demonstrate how to obtain the following results:
String with first character removed
String with last character removed
String with both the first and last characters removed
If the program uses UTF-8 or UTF... | #VBScript | VBScript | Function TopNTail(s,mode)
Select Case mode
Case "top"
TopNTail = Mid(s,2,Len(s)-1)
Case "tail"
TopNTail = Mid(s,1,Len(s)-1)
Case "both"
TopNTail = Mid(s,2,Len(s)-2)
End Select
End Function
WScript.Echo "Top: UPRAISERS = " & TopNTail("UPRAISERS","top"... |
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #SAS | SAS | data _null_;
array a{*} a1-a100;
do i=1 to 100;
a{i}=i*i;
end;
b=sum(of a{*});
put b c;
run; |
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #Sather | Sather | class MAIN is
main is
a :ARRAY{INT} := |10, 5, 5, 20, 60, 100|;
sum, prod :INT;
loop sum := sum + a.elt!; end;
prod := 1;
loop prod := prod * a.elt!; end;
#OUT + sum + " " + prod + "\n";
end;
end; |
http://rosettacode.org/wiki/Sum_of_a_series | Sum of a series | Compute the nth term of a series, i.e. the sum of the n first terms of the corresponding sequence.
Informally this value, or its limit when n tends to infinity, is also called the sum of the series, thus the title of this task.
For this task, use:
S
n
=
∑
k
=
1
n
1
k
2
{\displa... | #Oz | Oz | declare
fun {SumSeries S N}
{FoldL {Map {List.number 1 N 1} S}
Number.'+' 0.}
end
fun {S X}
1. / {Int.toFloat X*X}
end
in
{Show {SumSeries S 1000}} |
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #TUSCRIPT | TUSCRIPT |
$$ MODE TUSCRIPT,{}
string="She was a soul stripper. She took my heart!"
stringstrip=EXCHANGE (string,"_[aei]__")
print string
print stringstrip
|
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #TXR | TXR | (defun strip-chars (str set)
(let* ((regex-ast ^(set ,*(list-str set)))
(regex-obj (regex-compile regex-ast)))
(regsub regex-obj "" str)))
(defun usage ()
(pprinl `usage: @{(ldiff *full-args* *args*) " "} <string> <set>`)
(exit 1))
(tree-case *args*
((str set extra) (usage))
((str set . junk)... |
http://rosettacode.org/wiki/String_comparison | String comparison |
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 |... | #Tcl | Tcl | if {$a eq $b} {
puts "the strings are equal"
}
if {$a ne $b} {
puts "the strings are not equal"
} |
http://rosettacode.org/wiki/String_comparison | String comparison |
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 |... | #UNIX_Shell | UNIX Shell | #!/bin/sh
A=Bell
B=Ball
# Traditional test command implementations test for equality and inequality
# but do not have a lexical comparison facility
if [ $A = $B ] ; then
echo 'The strings are equal'
fi
if [ $A != $B ] ; then
echo 'The strings are not equal'
fi
# All variables in the shell are strings, so nume... |
http://rosettacode.org/wiki/String_case | String case | Task
Take the string alphaBETA and demonstrate how to convert it to:
upper-case and
lower-case
Use the default encoding of a string literal or plain ASCII if there is no string literal in your language.
Note: In some languages alphabets toLower and toUpper is not reversable.
Show any additional... | #Objective-C | Objective-C | NSLog(@"%@", @"alphaBETA".uppercaseString);
NSLog(@"%@", @"alphaBETA".lowercaseString);
NSLog(@"%@", @"foO BAr".capitalizedString); // "Foo Bar" |
http://rosettacode.org/wiki/String_case | String case | Task
Take the string alphaBETA and demonstrate how to convert it to:
upper-case and
lower-case
Use the default encoding of a string literal or plain ASCII if there is no string literal in your language.
Note: In some languages alphabets toLower and toUpper is not reversable.
Show any additional... | #OCaml | OCaml | let () =
let str = "alphaBETA" in
print_endline (String.uppercase_ascii str); (* ALPHABETA *)
print_endline (String.lowercase_ascii str); (* alphabeta *)
print_endline (String.capitalize_ascii str); (* AlphaBETA *)
;; |
http://rosettacode.org/wiki/String_matching | String matching |
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 |... | #NetRexx | NetRexx | /* NetRexx */
options replace format comments java crossref savelog symbols
lipsum = ''
x_ = 0
x_ = x_ + 1; lipsum[0] = x_; lipsum[x_] = 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.'
x_ = x_ + 1; lipsum[0] = x_; lipsum[x_] = lipsum[1].re... |
http://rosettacode.org/wiki/String_length | String length | Task
Find the character and byte length of a string.
This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters.
By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters.
F... | #LSE64 | LSE64 | " Hello world" @ 1 + 8 * , # 96 = (11+1)*(size of a cell) = 12*8 |
http://rosettacode.org/wiki/String_length | String length | Task
Find the character and byte length of a string.
This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters.
By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters.
F... | #Lua | Lua | str = "Hello world"
length = #str |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #Raku | Raku | my $s = 'hello';
say $s ~ ' literal';
my $s1 = $s ~ ' literal';
say $s1;
# or, using mutating concatenation:
$s ~= ' literal';
say $s; |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #Raven | Raven | # Cat strings
"First string and " "second string" cat print
# Join
[ "First string" "second string" "third string" ] " and " join print
# print
[ "First string" "second string" "third string" ] each print
# Formatted print
"\n" "Third string" "Second string" "First string" "%s %s %s %s" print
# Heredoc
" - NOT!... |
http://rosettacode.org/wiki/Sum_multiples_of_3_and_5 | Sum multiples of 3 and 5 | Task
The objective is to write a function that finds the sum of all positive multiples of 3 or 5 below n.
Show output for n = 1000.
This is is the same as Project Euler problem 1.
Extra credit: do this efficiently for n = 1e20 or higher.
| #Tcl | Tcl | # Fairly simple version; only counts by 3 and 5, skipping intermediates
proc mul35sum {n} {
for {set total [set threes [set fives 0]]} {$threes<$n||$fives<$n} {} {
if {$threes<$fives} {
incr total $threes
incr threes 3
} elseif {$threes>$fives} {
incr total $fives
incr fives 5
} else {
i... |
http://rosettacode.org/wiki/Sum_digits_of_an_integer | Sum digits of an integer | Task
Take a Natural Number in a given base and return the sum of its digits:
110 sums to 1
123410 sums to 10
fe16 sums to 29
f0e16 sums to 29
| #Ursa | Ursa | def sumDigits (string val, int base)
decl int ret
for (decl int i) (< i (size val)) (inc i)
set ret (+ ret (int val<i> base))
end for
return ret
end sumDigits |
http://rosettacode.org/wiki/Substring | Substring |
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 |... | #OCaml | OCaml | $ ocaml
# let s = "ABCDEFGH" ;;
val s : string = "ABCDEFGH"
# let n, m = 2, 3 ;;
val n : int = 2
val m : int = 3
# String.sub s n m ;;
- : string = "CDE"
# String.sub s n (String.length s - n) ;;
- : string = "CDEFGH"
# String.sub s 0 (String.length s - 1) ;;
- : string = "ABCDEFG"
# String.sub s (String.inde... |
http://rosettacode.org/wiki/Sudoku | Sudoku | Task
Solve a partially filled-in normal 9x9 Sudoku grid and display the result in a human-readable format.
references
Algorithmics of Sudoku may help implement this.
Python Sudoku Solver Computerphile video.
| #Tcl | Tcl | package require Tcl 8.6
oo::class create Sudoku {
variable idata
method clear {} {
for {set y 0} {$y < 9} {incr y} {
for {set x 0} {$x < 9} {incr x} {
my set $x $y {}
}
}
}
method load {data} {
set error "data must be a 9-element list, each element also being a\
list of 9 numbers from... |
http://rosettacode.org/wiki/Substring/Top_and_tail | Substring/Top and tail | The task is to demonstrate how to remove the first and last characters from a string.
The solution should demonstrate how to obtain the following results:
String with first character removed
String with last character removed
String with both the first and last characters removed
If the program uses UTF-8 or UTF... | #Wren | Wren | import "/str" for Str
var a = "Beyoncé"
var b = Str.delete(a, 0)
var len = a.codePoints.count
var c = Str.delete(a, len-1)
var d = Str.delete(c, 0)
for (e in [a, b, c, d]) System.print(e) |
http://rosettacode.org/wiki/Substring/Top_and_tail | Substring/Top and tail | The task is to demonstrate how to remove the first and last characters from a string.
The solution should demonstrate how to obtain the following results:
String with first character removed
String with last character removed
String with both the first and last characters removed
If the program uses UTF-8 or UTF... | #XPL0 | XPL0 | include c:\cxpl\stdlib;
char S, P;
[S:= "Smiles";
Text(0, S+1); \first character removed
CrLf(0);
P:= S + StrLen(S) - 2; \point to last character in string
P(0):= P(0) ! $80; \set the MSb on the last character
Text(0, S); \last character removed
CrLf(0);
Text(0, S+1); \first and la... |
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #Scala | Scala | val seq = Seq(1, 2, 3, 4, 5)
val sum = seq.foldLeft(0)(_ + _)
val product = seq.foldLeft(1)(_ * _) |
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #Scheme | Scheme | (apply + '(1 2 3 4 5))
(apply * '(1 2 3 4 5)) |
http://rosettacode.org/wiki/Sum_of_a_series | Sum of a series | Compute the nth term of a series, i.e. the sum of the n first terms of the corresponding sequence.
Informally this value, or its limit when n tends to infinity, is also called the sum of the series, thus the title of this task.
For this task, use:
S
n
=
∑
k
=
1
n
1
k
2
{\displa... | #Panda | Panda | sum{{1.0.divide(1..1000.sqr)}} |
http://rosettacode.org/wiki/Sum_of_a_series | Sum of a series | Compute the nth term of a series, i.e. the sum of the n first terms of the corresponding sequence.
Informally this value, or its limit when n tends to infinity, is also called the sum of the series, thus the title of this task.
For this task, use:
S
n
=
∑
k
=
1
n
1
k
2
{\displa... | #PARI.2FGP | PARI/GP | sum(n=1,1000,1/n^2) |
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #UNIX_Shell | UNIX Shell | strip_chars() {
echo "$1" | tr -d "$2"
} |
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #Ursala | Ursala | strip = ~&j
#cast %s
test = strip('she was a soul stripper. she took my heart','aei') |
http://rosettacode.org/wiki/String_comparison | String comparison |
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 |... | #Vala | Vala | void main() {
var s1 = "The quick brown";
var s2 = "The Quick Brown";
stdout.printf("== : %s\n", s1 == s2 ? "true" : "false");
stdout.printf("!= : %s\n", s1 != s2 ? "true" : "false");
stdout.printf("< : %s\n", s1 < s2 ? "true" : "false");
stdout.printf("<= : %s\n", s1 <= s2 ? "true" : "false");
stdout.p... |
http://rosettacode.org/wiki/String_case | String case | Task
Take the string alphaBETA and demonstrate how to convert it to:
upper-case and
lower-case
Use the default encoding of a string literal or plain ASCII if there is no string literal in your language.
Note: In some languages alphabets toLower and toUpper is not reversable.
Show any additional... | #Octave | Octave | s = "alphaBETA";
slc = tolower(s);
suc = toupper(s);
disp(slc);
disp(suc); |
http://rosettacode.org/wiki/String_case | String case | Task
Take the string alphaBETA and demonstrate how to convert it to:
upper-case and
lower-case
Use the default encoding of a string literal or plain ASCII if there is no string literal in your language.
Note: In some languages alphabets toLower and toUpper is not reversable.
Show any additional... | #Oforth | Oforth | "alphaBETA" toUpper
"alphaBETA" toLower |
http://rosettacode.org/wiki/String_matching | String matching |
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 |... | #NewLISP | NewLISP | (setq str "abcdefbcghi")
;; test if str starts with "ab"
(starts-with str "ab")
;; find "bc" inside str
(find "bc" str)
;; test if str ends with "ghi"
(ends-with str "ghi")
;; find all positions of pattern inside str
(define (find-all-pos pattern str)
(let ((idx -1) (pos '()))
(while (setq idx (find patte... |
http://rosettacode.org/wiki/String_length | String length | Task
Find the character and byte length of a string.
This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters.
By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters.
F... | #M2000_Interpreter | M2000 Interpreter |
A$=format$("J\u0332o\u0332s\u0332e\u0301\u0332")
Print Len(A$) = 9 ' true Utf-16LE
Print Len.Disp(A$) = 4 \\ display length
Buffer Clear Mem as Byte*100
\\ Write at memory at offset 0 or address Mem(0)
Return Mem, 0:=A$
Print Eval$(Mem, 0, 18)
For i=0 to 17 step 2
\\ print hex value and character
Hex Eva... |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #REBOL | REBOL | s: "hello"
print s1: rejoin [s " literal"]
print s1 |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #Red | Red | >>str1: "Hello"
>>str2: append str1 " World"
>> print str2
Hello World
>> print str1
Hello World |
http://rosettacode.org/wiki/String_concatenation | String concatenation | String concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
Task
Create a string variable equal to any text value.
Create another string variable whose value is the original variable concatenated with another string literal.
To illustrate the operat... | #ReScript | ReScript | let s1 = "hello"
let s2 = s1 ++ " literal"
Js.log(s1)
Js.log(s2)
|
http://rosettacode.org/wiki/Sum_multiples_of_3_and_5 | Sum multiples of 3 and 5 | Task
The objective is to write a function that finds the sum of all positive multiples of 3 or 5 below n.
Show output for n = 1000.
This is is the same as Project Euler problem 1.
Extra credit: do this efficiently for n = 1e20 or higher.
| #UNIX_Shell | UNIX Shell | function sum_multiples {
typeset -i n=$1 limit=$2
typeset -i max=limit-1
(( max -= max % n ))
printf '%d\n' $(( max / n * (n+max)/2 ))
}
function sum35 {
typeset -i limit=$1
printf '%d\n' $(( $(sum_multiples 3 $limit)
+ $(sum_multiples 5 $limit)
- $(sum_multiples 1... |
http://rosettacode.org/wiki/Sum_digits_of_an_integer | Sum digits of an integer | Task
Take a Natural Number in a given base and return the sum of its digits:
110 sums to 1
123410 sums to 10
fe16 sums to 29
f0e16 sums to 29
| #Visual_Basic | Visual Basic | Function sumDigits(num As Variant, base As Long) As Long
'can handle up to base 36
Dim outp As Long
Dim validNums As String, tmp As Variant, x As Long, lennum As Long
'ensure num contains only valid characters
validNums = Left$("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ", base)
lennum = Len(num)
... |
http://rosettacode.org/wiki/Substring | Substring |
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 |... | #Oforth | Oforth | : substrings(s, n, m)
s sub(n, m) println
s right(s size n - 1 +) println
s left(s size 1 - ) println
s sub(s indexOf('d'), m) println
s sub(s indexOfAll("de"), m) println ; |
http://rosettacode.org/wiki/Sudoku | Sudoku | Task
Solve a partially filled-in normal 9x9 Sudoku grid and display the result in a human-readable format.
references
Algorithmics of Sudoku may help implement this.
Python Sudoku Solver Computerphile video.
| #Ursala | Ursala | #import std
#import nat
sudoku =
@FL mat0+ block3+ mat` *+ block3*+ block9+ -+
~&rSL+ (psort (nleq+)* <~&blrl,~&blrr>)+ ~&arg^& -+
~&al?\~&ar ~&aa^&~&afahPRPfafatPJPRY+ ~&farlthlriNCSPDPDrlCS2DlrTS2J,
^|J/~& ~&rt!=+ ^= ~&s+ ~&H(
-+.|=&lrr;,|=&lrl;,|=≪+-,
~&rgg&& ~&irtPFXlrjrXPS; ... |
http://rosettacode.org/wiki/Substring/Top_and_tail | Substring/Top and tail | The task is to demonstrate how to remove the first and last characters from a string.
The solution should demonstrate how to obtain the following results:
String with first character removed
String with last character removed
String with both the first and last characters removed
If the program uses UTF-8 or UTF... | #zkl | zkl | "Smiles"[1,*] //-->miles
"Smiles"[0,-1] //-->Smile
"Smiles"[1,-1] //-->mile |
http://rosettacode.org/wiki/Substring/Top_and_tail | Substring/Top and tail | The task is to demonstrate how to remove the first and last characters from a string.
The solution should demonstrate how to obtain the following results:
String with first character removed
String with last character removed
String with both the first and last characters removed
If the program uses UTF-8 or UTF... | #ZX_Spectrum_Basic | ZX Spectrum Basic | 10 PRINT FN f$("knight"): REM strip the first letter. You can also write PRINT "knight"(2 TO)
20 PRINT FN l$("socks"): REM strip the last letter
30 PRINT FN b$("brooms"): REM strip both the first and last letter
100 STOP
9000 DEF FN f$(a$)=a$(2 TO LEN(a$))
9010 DEF FN l$(a$)=a$(1 TO LEN(a$)-(1 AND (LEN(a$)>=1)))
9020... |
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #Seed7 | Seed7 | const func integer: sumArray (in array integer: valueArray) is func
result
var integer: sum is 0;
local
var integer: value is 0;
begin
for value range valueArray do
sum +:= value;
end for;
end func;
const func integer: prodArray (in array integer: valueArray) is func
result
var int... |
http://rosettacode.org/wiki/Sum_and_product_of_an_array | Sum and product of an array | Task
Compute the sum and product of an array of integers.
| #SETL | SETL | numbers := [1 2 3 4 5 6 7 8 9];
print(+/ numbers, */ numbers); |
http://rosettacode.org/wiki/Sum_of_a_series | Sum of a series | Compute the nth term of a series, i.e. the sum of the n first terms of the corresponding sequence.
Informally this value, or its limit when n tends to infinity, is also called the sum of the series, thus the title of this task.
For this task, use:
S
n
=
∑
k
=
1
n
1
k
2
{\displa... | #Pascal | Pascal | Program SumSeries;
type
tOutput = double;//extended;
tmyFunc = function(number: LongInt): tOutput;
function f(number: LongInt): tOutput;
begin
f := 1/sqr(tOutput(number));
end;
function Sum(from,upto: LongInt;func:tmyFunc):tOutput;
var
res: tOutput;
begin
res := 0.0;
// for from:= from to upto do res := ... |
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #VBA | VBA | Function StripChars(stString As String, stStripChars As String, Optional bSpace As Boolean)
Dim i As Integer, stReplace As String
If bSpace = True Then
stReplace = " "
Else
stReplace = ""
End If
For i = 1 To Len(stStripChars)
stString = Replace(stString, Mid(stStripChars, i, 1), ... |
http://rosettacode.org/wiki/Strip_a_set_of_characters_from_a_string | Strip a set of characters from a string | Task
Create a function that strips a set of characters from a string.
The function should take two arguments:
a string to be stripped
a string containing the set of characters to be stripped
The returned string should contain the first string, stripped of any characters in the second argument:
print str... | #VBScript | VBScript |
Function stripchars(s1,s2)
For i = 1 To Len(s1)
If InStr(s2,Mid(s1,i,1)) Then
s1 = Replace(s1,Mid(s1,i,1),"")
End If
Next
stripchars = s1
End Function
WScript.StdOut.Write stripchars("She was a soul stripper. She took my heart!","aei")
|
http://rosettacode.org/wiki/String_comparison | String comparison |
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 |... | #Vlang | Vlang | fn main() {
c := "cat"
d := "dog"
if c == d {
println('$c is bytewise identical to $d')
}
if c != d {
println('$c is bytewise different from $d')
}
if c > d {
println('$c is lexically bytewise greater than $d')
}
if c < d {
println('$c is lexically byt... |
http://rosettacode.org/wiki/String_comparison | String comparison |
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 |... | #WDTE | WDTE | == 'example1' 'example2' -- io.writeln io.stdout; # Test for exact equality.
== 'example1' 'example2' -> ! -- io.writeln io.stdout; # Test for inequality.
< 'example1' 'example2' -- io.writeln io.stdout; # Test for lexical before.
> 'example1' 'example2' -- io.writeln io.stdout; # Test for lexical after.
# Case insen... |
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