Rosetta Code: Popular Programming Languages

Generated: 2022-05-17T02:00:03

#CountName
11537Phix
21527Wren
31505Julia
41485Raku
51483Go
61443Perl
71402Nim
81378Python
91204C
101152REXX
111150J
121133Java
=1133Kotlin
141127Haskell
151115C++
161110Mathematica
171097Ruby
181094Racket
191031FreeBASIC
201012Zkl
21993Sidef
22979D
23977Tcl
24974Factor
2596311l
26919Scala
27911C sharp
28904Ada
29870Rust
30848Jq
31843PicoLisp
32834Lua
33808Ring
34807ALGOL 68
35805F Sharp
36784AutoHotkey
37770JavaScript
38757Common Lisp
39700AWK
40665Delphi
41659PureBasic
42640Clojure
43624Fortran
44605OCaml
45604XPL0
46600Pascal
47596Unicon
48588Arturo
49583Swift
50578Forth
51572R
52571PARI/GP
53566BBC BASIC
54545Icon
55532Elixir
56522Action!
57518Erlang
58505Groovy
59500PowerShell
60475Quackery
61473Seed7
62458PHP
63455Prolog
64445PL/I
65426AppleScript
66413BASIC
67409Maple
68406VBA
69399Visual Basic .NET
70396Scheme
71388Yabasic
72385MATLAB
73375M2000 Interpreter
74358Liberty BASIC
75354COBOL
76334Objeck
77330UNIX Shell
78328Octave
79327Smalltalk
80325Run BASIC
81311VBScript
82308Oforth
83307Bracmat
84304EchoLisp
85294BASIC256
86289Standard ML
87287NetRexx
88281Oz
89274ALGOL W
90273APL
91272E
92259Lasso
93244Elena
94243Picat
95242Crystal
96237Euphoria
97230OoRexx
98225Frink
99221CoffeeScript
100220CLU
=220Stata
102218360 Assembly
103215ARM Assembly
=215Maxima
=215Modula-2
=215ZX Spectrum Basic
108211Batch File
109203Vlang
110199Nanoquery
111197BQN
=197IS-BASIC
113196Ursala
114195Lambdatalk
115194Lingo
116188BaCon
117183ERRE
118182Gambas
119171Fōrmulæ
=171Red
121170Befunge
122169AArch64 Assembly
=169Aime
124165Applesoft BASIC
=165Emacs Lisp
126164Pike
127162GAP
=162Ol
129161Objective-C
130157BCPL
=157Eiffel
132156HicEst
133155TUSCRIPT
134153Fantom
135151MiniScript
136150Nemerle
137147NewLISP
=147REBOL
139144Commodore BASIC
140142Cowgol
141141TXR
142140K
143138Jsish
144135Dyalect
145129LiveCode
146126Slate
147125SNOBOL4
=125True BASIC
149123Modula-3
150121ActionScript
=121TI-83 BASIC
=121Visual Basic
153120Phixmonti
1541198086 Assembly
=119MAXScript
=119Mercury
157117Oberon-2
158116EasyLang
159112MUMPS
=112Ursa
161111Min
162110SenseTalk
163109Vedit macro language
164108Vala
165107Dart
=107PL/M
1671066502 Assembly
168105Déjà Vu
169104Retro
170103DWScript
1711018080 Assembly
=101Processing
173100ACL2
=100Simula
17599X86 Assembly
17698AutoIt
=98GW-BASIC
17896Free Pascal
=96Pop11
18095QBasic
=95TI-89 BASIC
=95Z80 Assembly
18394Ceylon
=94Tailspin
18593Axe
=93Io
18792PostScript
18891Fermat
=91M4
=91Plain English
19190FunL
=90OxygenBasic
193898th
=89Bc
19587Draco
19686МК-61/52
19781QB64
19880SQL
19979Dc
=79Langur
20178FutureBasic
20277LFE
=77Raven
20476ATS
=76Sinclair ZX81 BASIC
=76Zig
20775Logtalk
20874Sather
20973Component Pascal
=73Excel
21172ABAP
=72Locomotive Basic
21371Burlesque
=71MAD
21570Neko
21669Ela
=69XLISP
21868Brat
21967Ksh
22066Scilab
22165LabVIEW
22264IDL
22362ColdFusion
=62Wart
22560FALSE
=60SequenceL
2275968000 Assembly
=59SAS
22958FOCAL
=58PowerBASIC
23156Amazing Hopper
=56FBSL
23354Tiny BASIC
23453Haxe
=53OpenEdge/Progress
23651SPL
23750Metafont
23849Lang5
=49Rascal
24048DCL
=48Microsoft Small Basic
24247Caché ObjectScript
=47Harbour
=47Toka
24546ALGOL-M
=46Inform 7
=46Joy
=46Klingphix
24945ALGOL 60
25044XSLT
25143Brainf***
=43Elm
=43NS-HUBASIC
=43S-lang
=43Transd
=43Wortel
25742EDSAC order code
=42HolyC
=42LOLCODE
=42Q
=42SQL PL
=42Sparkling
26341Aikido
=41TorqueScript
=41Yorick
26640RapidQ
=40UnixPipes
=40V
=40Verilog
27039Apex
=39Chapel
=39Sed
27338Falcon
=38Lisaac
=38Processing Python mode
=38SETL
27737Babel
=37Futhark
27936GML
=36PL/SQL
=36Vim Script
28235AmigaE
=35C Shell
=35Comal
=35Genie
=35Nial
=35SuperCollider
28834RLaB
28933WDTE
=33XBS
29132EGL
=32Gnuplot
=32I
=32ReScript
=32Visual FoxPro
29631XBasic
29730Agena
=30GUISS
=30Huginn
=30Order
=30Qi
=30REALbasic
=30Smart BASIC
=30Zoea
=30Zonnon
30629Assembly
=29Asymptote
=29CMake
=29Hy
=29MIRC Scripting Language
=29SNUSP
=29Symsyn
31328ECL
=28Golfscript
=28Hexiscript
=28LIL
=28PlainTeX
=28Potion
31927Avail
=27Idris
=27Latitude
=27Limbo
=27Zoea Visual
32426Clean
=26Clipper
=26MLite
=26Relation
=26Salmon
32925LLVM
=25Scratch
=25TypeScript
33224MiniZinc
=24Mirah
=24Robotic
=24SSEM
=24Trith
33723Astro
=23Fish
=23Ioke
=23Lobster
=23ML/I
=23PHL
=23ProDOS
34422Beeswax
=22Furor
=22Klong
=22MIPS Assembly
=22ML
=22PILOT
=22S-BASIC
=22Suneido
35221Argile
=21Gosu
=21Peloton
=21Pure
=21Shen
=21Wee Basic
35820Chef
=20Dragon
=20Self
36119ChucK
=19DBL
=19Openscad
=19Pony
=19Transact-SQL
=19Verbexx
=19Whitespace
=19X86-64 Assembly
36918Agda
=18Fancy
=18Hoon
=18Make
=18XQuery
374170815
=17Beads
=17Dylan
=17Efene
=17Friendly interactive shell
=17GFA Basic
=17MMIX
=17MOO
=17TSE SAL
=17Xojo
38416ASIC
=16LSL
=16LaTeX
=16Object Pascal
=16Spin
38915Arc
=15Gema
=15Janet
=15LSE64
=15Lucid
=15Minimal BASIC
=15N/t/roff
=15SmileBASIC
=15SystemVerilog
=15Unlambda
39914Axiom
=14Dao
=14Ezhil
=14Fennel
=14Inform 6
=14Isabelle
=14OOC
=14Pure Data
=14RATFOR
=14VAX Assembly
=14VHDL
41013AmigaBASIC
=13Computer/zero Assembly
=13Coq
=13KonsolScript
=13Little
=13Piet
=13SPAD
=13Snobol
41812ArnoldC
=12Brlcad
=12Clay
=12Egel
=12Es
=12Gecho
=12Genyris
=12Golo
=12Halon
=12MontiLang
=12Never
=12OASYS Assembler
=12Panda
=12RPG
=12Shale
=12Vorpal
43411Arendelle
=11AsciiDots
=11CLIPS
=11Coco
=11Curry
=11Frege
=11GlovePIE
=11Integer BASIC
=11Onyx
=11SPARK
=11Shiny
=11TMG
=11WebAssembly
=11XTalk
44810App Inventor
=10BlitzMax
=10Blz
=10EC
=10Elisa
=10Hare
=10IWBASIC
=10Intercal
=10LotusScript
=10Mathprog
=10Nascom BASIC
=10Niue
=10ObjectIcon
=10Wrapl
=10Zoomscript
46394DOS Batch
=9Alore
=9Boo
=9Eero
=9Fortress
=9Lily
=9Little Man Computer
=9Luck
=9Monte
=9Morfa
=9MySQL
=9NSIS
=9POV-Ray
=9Polyglot:PL/I and PL/M
=9Ra
=9SIMPOL
=9UTFool
=9Yacas
48184D
=86800 Assembly
=88051 Assembly
=8B
=8Blue
=8Clio
=8Dylan.NET
=8Egison
=8Fan
=8GLSL
=8Glee
=8HQ9+
=8Hope
=8LC3 Assembly
=8LSE
=8Lhogho
=8MBS
=8Mathcad
=8NESL
=8NGS
=8Nit
=8PIR
=8Pointless
=8SASL
=8Sage
=8TIScript
=8Visual Prolog
=8Whenever
5107AmbientTalk
=7Arbre
=7Blast
=7BootBASIC
=7C++/CLI
=7Cobra
=7Crack
=7FUZE BASIC
=7JCL
=7Kite
=7MoonScript
=7Nix
=7Purity
=7Quite BASIC
=7Rhope
=7Set lang
=7SkookumScript
=7Squirrel
=7Tbas
=7Visual Objects
=7XEec
=7XProfan
5326ANTLR
=6C1R
=6CFEngine
=6Cat
=6Comefrom0x10
=6DUP
=6Datalog
=6Dodo0
=6Fexl
=6Gastona
=6Gri
=6JavaFX Script
=6Lisp
=6MANOOL
=6OPL
=6Oxygene
=6PASM
=6PDP-11 Assembly
=6PL/I-80
=6Pixilang
=6Rockstar
=6Tern
=6Terraform
=6Turing
5565Algae
=5Brace
=5Casio BASIC
=5Clipper/XBase++
=5DIBOL-11
=5DMS
=5Deluge
=5ELLA
=5Epoxy
=5Felix
=5Ferite
=5GEORGE
=5HyperTalk
=5JAMES II/Rule-based Cellular Automata
=5KQL
=5L++
=5Lilypond
=5Malbolge
=5MelonBasic
=5Metapost
=5Nickle
=5Nyquist
=5Occam
=5PSQL
=5Panoramic
=5Pyret
=5Quill
=5RPL/2
=5ScratchScript
=5Script Basic
=5Sisal
=5TPP
=5Thyrd
=5Ultimate++
=5XProc
=5ZPL
592480386 Assembly
=4AMPL
=4AspectJ
=4Atari BASIC
=4B4X
=4Basic09
=4Biferno
=4BlooP
=4Bori
=4C3
=4Cind
=4Corescript
=4Cubescript
=4DM
=4Dafny
=4ESQL
=4ElastiC
=4Emojicode
=4F
=4FP
=4Fhidwfe
=4Gentee
=4Go!
=4HLA
=4HPPPL
=4Heron
=4Informix 4GL
=4Iptscrae
=4JScript.NET
=4Jinja
=4JoCaml
=4JudoScript
=4Kabap
=4Keg
=4LDPL
=4Lush
=4MSX Basic
=4MUF
=4Mythryl
=4Omega
=4PL/pgSQL
=4Perl 6
=4Portugol
=4QL SuperBASIC
=4RASEL
=4RPL
=4RTL/2
=4SMEQL
=4SPARC Assembly
=4SheerPower 4GL
=4SimpleCode
=4StreamIt
=4TI-83 Hex Assembly
=4Teco
=4TransFORTH
=4Twelf
=4Uniface
=4Unison
=4VB6
=4Wisp
=4XSLT 2.0
=4ZED
6543.QL
=38 1/2
=3A+
=3ALGOL
=3ANT
=3ASP
=3ASP.Net
=3Acurity Architect
=3Agda2
=3Alice ML
=3Application Master
=3AspectC++
=3Axum
=3BML
=3Battlestar
=3Beta
=3C0H
=3CB80
=3CHR
=3Caml
=3Cecil
=3Cilk
=3Cilk++
=3ContextFree
=3DataWeave
=3Diesel
=3Elan
=3Euler
=3Explore
=3Extended BrainF***
=3FAUST
=3FPI
=3FeatureC++
=3FreeMat
=3GB BASIC
=3Glagol
=3Global Script
=3Goo
=3Jabaco
=3Kaya
=3KeyList Databasing
=3Kitten
=3L.in.oleum
=3Lean
=3LiveScript
=3Lotus 123 Macro Scripting
=3Lout
=3M680x0
=3MACRO-11
=3MDL
=3ME10 macro
=3MGS
=3MPIF90
=3Maude
=3Mirelle
=3Monicelli
=3Myrddin
=3Mython
=3NATURAL
=3NQP
=3Nice
=3OASYS
=3OpenC++
=3PLUS
=3PLZ/SYS
=3PPL
=3Pentium Assembly
=3PepsiScript
=3Powerbuilder
=3Processing.R
=3QuakeC
=3RLSL
=3RTSL
=3Refal
=3SPSS
=3Sass/SCSS
=3Script3D
=3Superbase BASIC
=3Swahili
=3TAL
=3TeLa
=3Thistle
=3Tosh
=3UC++
=3UScript
=3UserRPL
=3VRML
=3WML
=3Woma
=3X10
=3XBase
=3XUL
=3ΜC++
=3உயிர்/Uyir
74821C
=2Bird
=2Cduce
=2DeviousYarn
=2GLBasic
=2Hack
=2JOVIAL
=2JSE
=2Jack
=2KAP
=2Koka
=2Luna
=2MINIL
=2MathCortex
=2Mosaic
=2MyrtleScript
=2NOWUT
=2OOCalc
=2OpenLisp
=2PeopleCode
=2Perl5i
=2Peylang
=2Pict
=2Programming Language
=2Risc-V
=2ScriptBasic
=2Sing
=2TechBASIC
=2ToffeeScript
=2Turbo-Basic XL
=2Viua VM assembly
=2Vox
=2XL
=2XPath 2.0
=2XSLT 1.0
7831Anyways
=1Apricot
=1Aquarius BASIC
=1AutoLISP
=1B4J
=1Batari Basic
=1Binary Lambda Calculus
=1C2
=1CafeOBJ
=1Clarion
=1Coconut
=1DDNC
=1DIV Games Studio
=1FRISC Assembly
=1FormulaOne
=1G-fu
=1Guile
=1Inko
=1Jacquard Loom
=1KL1
=1Kamailio Script
=1Lambda Prolog
=1LibreOffice Basic
=1Lychen
=1MAPPER
=1MEL
=1Mond
=1Monkey
=1NASL
=1NLP++
=1Neat
=1NewtonScript
=1Night
=1Odin
=1Opa
=1PROMAL
=1Pare
=1Plan
=1PowerPC Assembly
=1Qore
=1RPGIV
=1Rapira
=1Reason
=1Setl4
=1Soar
=1SoneKing Assembly
=1SuperTalk
=1Supernova
=1Terra
=1TestML
=1TutorialD
=1Wollok
=1Xanadu
=1Ya
Task not implemented in Racket#PhixWrenJuliaRakuGoPerlNimPythonCREXXJJavaKotlinHaskellC++MathematicaRuby
15 puzzle game in 3D3              
16 puzzle game8         
3d turtle graphics3              
ADFGVX cipher8         
AVL tree13    
Abelian sandpile model14   
Abelian sandpile model/Identity13    
Achilles numbers8         
Active Directory/Search for a user12     
Add a variable to a class instance at runtime12     
Air mass11      
Almkvist-Giullera formula for pi13    
Alternade words14   
Append numbers at same position in strings10       
Arithmetic coding/As a generalized change of radix12     
Ascending primes7          
Aspect oriented programming11      
Audio frequency generator6           
Audio overlap loop5            
B-spline6           
Babylonian spiral5            
Base 16 numbers needing a to f13    
Base64 decode data16 
Bioinformatics/Global alignment8         
Biorhythms13    
Black Box5            
Blackjack strategy4             
Boids7          
Brace expansion using ranges7          
Break OO privacy13    
Brilliant numbers8         
Burrows–Wheeler transform17
C++031                
C++111                
C++141                
C++981                
CLI-based maze-game3              
Calkin-Wilf sequence14   
Camel case and snake case6           
Canny edge detector12     
Canonicalize CIDR16 
Catmull–Clark subdivision surface10       
Change e letters to i in words14   
Changeable words13    
Chaocipher16 
Checksumcolor8         
Chernick's Carmichael numbers13    
Chess player5            
Circular primes17
Cistercian numerals16 
Code Golf: Code Golf6           
Collect and sort square numbers in ascending order from three lists9        
Colorful numbers10       
Combinations with repetitions/Square digit chain9        
Common list elements12     
Common sorted list15  
Compare length of two strings14   
Compare sorting algorithms' performance13    
Compiler/AST interpreter10       
Compiler/Simple file inclusion pre processor4             
Compiler/Verifying syntax8         
Compiler/code generator11      
Compiler/syntax analyzer10       
Composite numbers k with no single digit factors whose factors are all substrings of k7          
Concatenate two primes is also prime11      
Conjugate a Latin verb9        
Consecutive primes with ascending or descending differences13    
Continued fraction/Arithmetic/G(matrix ng, continued fraction n1, continued fraction n2)8         
Coprime triplets13    
Count how many vowels and consonants occur in a string13    
Count the coins/0-18         
Cousin primes14   
Create your own text control codes4             
Cubic special primes10       
Cullen and Woodall numbers8         
Curve that touches three points9        
Curzon numbers7          
Cycles of a permutation4             
Cyclops numbers11      
Cyclotomic polynomial14   
DELAY.REX1                
Data Encryption Standard13    
Dating agency6           
Day of the week of Christmas and New Year8         
Days between dates17
Deceptive numbers8         
Deconvolution/2D+11      
Descending primes7          
Determine sentence type7          
Digit fifth powers11      
Diophantine linear system solving3              
Disarium numbers8         
Discrete Fourier transform9        
Display an outline as a nested table11      
Distinct palindromes within decimal numbers9        
Distinct power numbers14   
Distribution of 0 digits in factorial series11      
Divide a rectangle into a number of unequal triangles6           
Dominoes4             
Doomsday rule13    
Doubly-linked list/Element removal6           
Duffinian numbers7          
EKG sequence convergence15  
Earliest difference between prime gaps9        
Eban numbers16 
Elevator simulation2               
Elliptic Curve Digital Signature Algorithm9        
Equal prime and composite sums8         
Erdös-Selfridge categorization of primes6           
Erdős-primes10       
Erdős–Woods numbers5            
Esthetic numbers17
Euclid-Mullin sequence6           
Exactly three adjacent 3 in lists11      
Execute CopyPasta Language10       
Exponentiation with infix operators in (or operating on) the base13    
External sort11      
Faces from a mesh10       
Factorial base numbers indexing permutations of a collection10       
Fermat numbers17
Fibonacci heap9        
Fibonacci matrix-exponentiation9        
Find Chess960 starting position identifier8         
Find adjacent primes which differ by a square integer9        
Find first missing positive12     
Find minimum number of coins that make a given value11      
Find prime n such that reversed n is also prime12     
Find prime numbers of the form n*n*n+213    
Find square difference10       
Find squares n where n+1 is prime10       
Find words which contains all the vowels12     
First 9 prime Fibonacci number11      
First perfect square in base n with n unique digits17
Fixed length records13    
Fortunate numbers12     
Four is the number of letters in the ...15  
Four sides of square10       
French Republican calendar8         
Frobenius numbers15  
Gapful numbers17
Generalised floating point multiplication4             
Generate random chess position17
Generate random numbers without repeating a value13    
Geohash8         
Geometric algebra11      
Getting the number of decimals13    
Goldbach's comet7          
Graph colouring11      
Greed11      
Halt and catch fire13    
Harmonic series12     
Hex words6           
Hexapawn6           
Home primes9        
Horse racing7          
Hourglass puzzle9        
I'm a software engineer, get me out of here6           
IRC gateway2               
Imaginary base numbers15  
Increasing gaps between consecutive Niven numbers16 
Integer long division7          
Intersecting number wheels16 
Iterators6           
Jaccard index5            
Jacobi symbol17
Jacobsthal numbers11      
Jaro-Winkler distance12     
Joystick position9        
Juggler sequence14   
Kolakoski sequence16 
Kronecker product based fractals16 
Lah numbers17
Largest difference between adjacent primes10       
Largest five adjacent number12     
Largest number divisible by its digits17
Largest palindrome product8         
Largest prime factor9        
Largest product in a grid9        
Largest proper divisor of n15  
Last list item10       
Latin Squares in reduced form14   
Latin Squares in reduced form/Randomizing using Jacobson and Matthews’ Technique6           
Law of cosines - triples17
Legendre prime counting function12     
Length of an arc between two angles15  
Line circle intersection15  
Logistic curve fitting in epidemiology13    
Long literals, with continuations13    
Long stairs7          
Long year17
Longest common suffix16 
Longest palindromic substrings10       
Longest substrings without repeating characters11      
Loop Structures1                
Loops/With multiple ranges17
Lucky and even lucky numbers17
Magic constant6           
Magic squares of doubly even order16 
Magic squares of singly even order15  
Magnanimous numbers15  
Mastermind11      
Matrix with two diagonals12     
Maximum difference between adjacent elements of list12     
Mayan calendar10       
Mayan numerals15  
Mayan numerals\$MAYAN.REX1                
Merge and aggregate datasets13    
Mersenne primes14   
Mertens function16 
Metallic ratios15  
Mian-Chowla sequence17
Mind boggling card trick15  
Minimal steps down to 112     
Minimum multiple of m where digital sum equals m10       
Minimum number of cells after, before, above and below NxN squares13    
Minimum numbers of three lists13    
Minimum positive multiple in base 10 using only 0 and 117
Minimum primes10       
Minkowski question-mark function12     
Modified random distribution12     
Monads/Writer monad12     
Mosaic matrix11      
Motzkin numbers14   
Multi-base primes10       
Multidimensional Newton-Raphson method7          
Multiton5            
Möbius function17
N-body problem13    
N-queens minimum and knights and bishops6           
N-smooth numbers17
Neighbour primes10       
Next highest int from digits16 
Next special primes11      
Nice primes14   
Nimber arithmetic13    
Non-transitive dice12     
Number triplets game4             
Numbers divisible by their individual digits, but not by the product of their digits.12     
Numbers in base 10 that are palindromic in bases 2, 4, and 1610       
Numbers in base-16 representation that cannot be written with decimal digits12     
Numbers which are not the sum of distinct squares5            
Numbers which binary and ternary digit sum are prime13    
Numbers whose count of divisors is prime10       
Numbers with equal rises and falls14   
Numbers with prime digits whose sum is 1314   
Numbers with same digit set in base 10 and base 1611      
Numerical and alphabetical suffixes9        
Numerical integration/Adaptive Simpson's method13    
OLE automation4             
Odd and square numbers9        
Odd squarefree semiprimes11      
Odd words11      
OpenGL/Utah Teapot9        
Orbital elements13    
Order by pair comparisons15  
Overloaded operators8         
Own digits power sum10       
P-Adic numbers, basic7          
P-Adic square roots5            
P-value correction13    
Padovan n-step number sequences12     
Padovan sequence15  
Palindrome dates15  
Palindromic gapful numbers16 
Palindromic primes12     
Palindromic primes in base 1610       
Pancake numbers14   
Pandigital prime8         
Parse EBNF8         
Particle fountain6           
Peaceful chess queen armies14   
Pell numbers6           
Pell's equation17
Peripheral drift illusion6           
Permutations with some identical elements10       
Permuted multiples11      
Pierpont primes17
Piprimes10       
Pisano period11      
Playfair cipher15  
Polynomial derivative7          
Positive decimal integers with the digit 1 occurring exactly twice10       
Powerful numbers9        
Practical numbers11      
Price list behind API8         
Primality by Wilson's theorem16 
Prime numbers p for which the sum of primes less than or equal to p is prime10       
Prime numbers which contain 12310       
Prime triangle9        
Prime triplets10       
Prime words11      
Primes which contain only one odd digit10       
Primes whose first and last number is 310       
Primes whose sum of digits is 2516 
Primes with digits in nondecreasing order11      
Print itself9        
Process SMIL directives in XML data6           
Product of divisors15  
Pseudo-random numbers/Combined recursive generator MRG32k3a14   
Pseudo-random numbers/Middle-square method13    
Pseudo-random numbers/PCG3215  
Pseudo-random numbers/Splitmix6413    
Pseudo-random numbers/Xorshift star15  
Pseudorandom number generator image8         
Quadrat special primes9        
Quoting constructs8         
Ramanujan primes9        
Ramanujan primes/twins7          
Ramanujan's constant15  
Random Latin squares17
Random sentence from book7          
Range modifications9        
Rare numbers15  
Raster bars6           
Recaman's sequence17
Recursive descent parser generator8         
Reflection/Get source13    
Reflection/List methods12     
Reflection/List properties13    
Remote agent/Agent interface5            
Remote agent/Agent logic6           
Remote agent/Simulation6           
Remove vowels from a string16 
Repunit primes6           
Resistance calculator8         
Resistance network calculator8         
Reverse the order of lines in a text file while preserving the contents of each line9        
Rhonda numbers9        
Robots9        
Rodrigues’ rotation formula8         
Rosetta Code/List authors of task descriptions5            
Rosetta Code/Run examples5            
Rosetta Code/Tasks without examples9        
Round-robin tournament schedule6           
Rule301                
Ruth-Aaron numbers8         
SHA-256 Merkle tree13    
SOAP11      
Safe and Sophie Germain primes8         
Safe mode6           
Safe primes and unsafe primes17
Sanitize user input3              
Search in paragraph's text6           
Segmentation fault protection5            
Self numbers15  
Self-hosting compiler8         
Semaphore1                
Sequence: nth number with exactly n divisors17
Sequence: smallest number greater than previous term with exactly n divisors17
Sequence: smallest number with exactly n divisors17
Set right-adjacent bits6           
Sexy primes17
Shift list elements to left by 315  
Show the (decimal) value of a number of 1s appended with a 3, then squared12     
Sierpinski arrowhead curve13    
Sierpinski curve10       
Sierpinski square curve11      
Simple turtle graphics6           
Sleeping Beauty problem13    
Smallest enclosing circle problem8         
Smallest multiple9        
Smallest number k such that k+2^m is composite for all m less than k5            
Smallest numbers9        
Smallest power of 6 whose decimal expansion contains n13    
Smallest square that begins with n13    
Smarandache prime-digital sequence16 
Snake13    
Solve a Rubik's Cube6           
Solve equations with substitution method6           
Solving coin problems5            
Sort an outline at every level9        
Sort primes from list to a list8         
Sort the letters of string in alphabetical order13    
Sorting algorithms/Cocktail sort with shifting bounds14   
Special divisors12     
Special factorials13    
Special neighbor primes11      
Special pythagorean triplet10       
Spelling of ordinal numbers14   
Spoof game10       
Square form factorization9        
Steady squares10       
Stirling numbers of the first kind17
Stirling numbers of the second kind17
Strange numbers16 
Strange plus numbers16 
Strange unique prime triplets13    
Strassen's algorithm7          
Strong and weak primes17
Substring primes10       
Successive prime differences17
Suffixation of decimal numbers9        
Sum data type11      
Sum of elements below main diagonal of matrix15  
Sum of first n cubes14   
Sum of primes in odd positions is prime11      
Sum of square and cube digits of an integer are primes10       
Sum of the digits of n is substring of n15  
Sum of two adjacent numbers are primes9        
Summarize primes15  
Summation of primes11      
Super-d numbers17
Sylvester's sequence13    
Tamagotchi emulator5            
Tau function16 
Tau number16 
Teacup rim text15  
Terminal control/Restricted width positional input/No wrapping8         
Terminal control/Restricted width positional input/With wrapping8         
Tetris7          
Text completion11      
The Name Game17
Three word location9        
Tree datastructures10       
Tree from nesting levels11      
Triplet of three numbers13    
Tropical algebra overloading10       
Twin primes16 
Two bullet roulette13    
Two identical strings15  
URL shortener6           
Ukkonen’s suffix tree construction4             
Ulam numbers13    
Ultra useful primes6           
Unicode polynomial equation5            
Unique characters14   
Unique characters in each string11      
Uno (Card Game)4             
Untouchable numbers11      
Use a REST API5            
Useless instructions8         
Using a speech engine to highlight words9        
Variable declaration reset9        
Verhoeff algorithm10       
Video display modes10       
Vidir3              
Waveform analysis/Doh ray me7          
Waveform analysis/Top and tail5            
Weather routing5            
WebGL rotating F2               
WiktionaryDumps to words7          
Wordiff8         
Wordle comparison10       
Words containing "the" substring13    
Words from neighbour ones13    
Worthwhile task shaving5            
XML validation11      
XXXX redacted9