Rosetta Code/Count examples/Full list/Tier 4

Fourth tier of languages sorted by number of examples completed.

See Rosetta_Code/Rank_languages_by_popularity/Full_list for a full language/task completion table.

Top tier

Second tier

Third tier

Fourth tier

Fourth ten programming languages by number of task examples completed:
    ㉛ Rust          ㉜ Lua           ㉝ Scala         ㉞ F_Sharp       ㉟ PicoLisp     
    ㊱ XPL0          ㊲ AutoHotkey    ㊳ Ring          ㊴ JavaScript    ㊵ Arturo       

As of 2023-10-22T22:37:13Z :: Tasks: 1260 :: Draft Tasks:397 :: Total Tasks: 1657 :: Total Examples: 0

Count	Task	㉛	㉜	㉝	㉞	㉟	㊱	㊲	㊳	㊴	㊵
0	100 doors
0	100 prisoners
0	10001th prime
0	15 puzzle game
0	15 puzzle game in 3D
0	15 puzzle solver
0	16 puzzle game
0	2048
0	21 game
0	24 game
0	24 game/Solve
0	3d turtle graphics
0	4-rings or 4-squares puzzle
0	9 billion names of God the integer
0	99 bottles of beer
0	A* search algorithm
0	A+B
0	ABC problem
0	ABC words
0	ADFGVX cipher
0	AKS test for primes
0	ASCII art diagram converter
0	ASCII control characters
0	AVL tree
0	Abbreviations, automatic
0	Abbreviations, easy
0	Abbreviations, simple
0	Abelian sandpile model
0	Abelian sandpile model/Identity
0	Abstract type
0	Abundant odd numbers
0	Abundant, deficient and perfect number classifications
0	Accumulator factory
0	Achilles numbers
0	Ackermann function
0	Active Directory/Connect
0	Active Directory/Search for a user
0	Active object
0	Add a variable to a class instance at runtime
0	Addition chains
0	Addition-chain exponentiation
0	Additive primes
0	Address of a variable
0	Air mass
0	Algebraic data types
0	Align columns
0	Aliquot sequence classifications
0	Almkvist-Giullera formula for pi
0	Almost prime
0	Alternade words
0	Amb
0	Amicable pairs
0	Anadromes
0	Anagram generator
0	Anagrams
0	Anagrams/Deranged anagrams
0	Anaprimes
0	Angle difference between two bearings
0	Angles (geometric), normalization and conversion
0	Animate a pendulum
0	Animation
0	Anonymous recursion
0	Anti-primes
0	Append a record to the end of a text file
0	Append numbers at same position in strings
0	Apply a callback to an array
0	Apply a digital filter (direct form II transposed)
0	Approximate equality
0	Apéry's constant
0	Arbitrary-precision integers (included)
0	Archimedean spiral
0	Arena storage pool
0	Arithmetic coding/As a generalized change of radix
0	Arithmetic derivative
0	Arithmetic evaluation
0	Arithmetic numbers
0	Arithmetic-geometric mean
0	Arithmetic-geometric mean/Calculate Pi
0	Arithmetic/Complex
0	Arithmetic/Integer
0	Arithmetic/Rational
0	Array concatenation
0	Array length
0	Arrays
0	Ascending primes
0	Aspect oriented programming
0	Assertions
0	Assertions in design by contract
0	Associative array/Creation
0	Associative array/Iteration
0	Associative array/Merging
0	Atomic updates
0	Attractive numbers
0	Audio alarm
0	Audio frequency generator
0	Audio overlap loop
0	Autogram checker
0	Average loop length
0	Averages/Arithmetic mean
0	Averages/Mean angle
0	Averages/Mean time of day
0	Averages/Median
0	Averages/Mode
0	Averages/Pythagorean means
0	Averages/Root mean square
0	Averages/Simple moving average
0	B-spline
0	Babbage problem
0	Babylonian spiral
0	Bacon cipher
0	Balanced brackets
0	Balanced ternary
0	Banker's algorithm
0	Barnsley fern
0	Base 16 numbers needing a to f
0	Base58Check encoding
0	Base64 decode data
0	Base64 encode data
0	Bell numbers
0	Benford's law
0	Bernoulli numbers
0	Bernstein basis polynomials
0	Best shuffle
0	Bifid cipher
0	Bilinear interpolation
0	Bin given limits
0	Binary coded decimal
0	Binary digits
0	Binary search
0	Binary strings
0	Binomial transform
0	Bioinformatics/Global alignment
0	Bioinformatics/Sequence mutation
0	Bioinformatics/Subsequence
0	Bioinformatics/base count
0	Biorhythms
0	Birthday problem
0	Bitcoin/address validation
0	Bitcoin/public point to address
0	Bitmap
0	Bitmap/Bresenham's line algorithm
0	Bitmap/Bézier curves/Cubic
0	Bitmap/Bézier curves/Quadratic
0	Bitmap/Flood fill
0	Bitmap/Histogram
0	Bitmap/Midpoint circle algorithm
0	Bitmap/PPM conversion through a pipe
0	Bitmap/Read a PPM file
0	Bitmap/Read an image through a pipe
0	Bitmap/Write a PPM file
0	Bitwise IO
0	Bitwise operations
0	Black box
0	Blackjack strategy
0	Blum integer
0	Boids
0	Boolean values
0	Boustrophedon transform
0	Box the compass
0	Boyer-Moore string search
0	Brace expansion
0	Brace expansion using ranges
0	Brazilian numbers
0	Break OO privacy
0	Brilliant numbers
0	Brownian tree
0	Bulls and cows
0	Bulls and cows/Player
0	Burrows–Wheeler transform
0	Bézier curves/Intersections
0	CLI-based maze-game
0	CORDIC
0	CRC-32
0	CSV data manipulation
0	CSV to HTML translation
0	CUSIP
0	Caesar cipher
0	Calculating the value of e
0	Calendar
0	Calendar - for "REAL" programmers
0	Calkin-Wilf sequence
0	Call a foreign-language function
0	Call a function
0	Call a function in a shared library
0	Call an object method
0	Calmo numbers
0	CalmoSoft primes
0	Camel case and snake case
0	Canny edge detector
0	Canonicalize CIDR
0	Cantor set
0	Card shuffles
0	Carmichael 3 strong pseudoprimes
0	Cartesian product of two or more lists
0	Case-sensitivity of identifiers
0	Casting out nines
0	Catalan numbers
0	Catalan numbers/Pascal's triangle
0	Catamorphism
0	Catmull–Clark subdivision surface
0	Centroid of a set of N-dimensional points
0	Change e letters to i in words
0	Changeable words
0	Chaocipher
0	Chaos game
0	Character codes
0	Chat server
0	Chebyshev coefficients
0	Check Machin-like formulas
0	Check if a polygon overlaps with a rectangle
0	Check if two polygons overlap
0	Check input device is a terminal
0	Check output device is a terminal
0	Check that file exists
0	Checkpoint synchronization
0	Checksumcolor
0	Chemical calculator
0	Chernick's Carmichael numbers
0	Cheryl's birthday
0	Chess player
0	Chinese remainder theorem
0	Chinese zodiac
0	Cholesky decomposition
0	Chowla numbers
0	Church numerals
0	Cipolla's algorithm
0	Circles of given radius through two points
0	Circular primes
0	Cistercian numerals
0	Classes
0	Closest-pair problem
0	Closures/Value capture
0	Code Golf: Code Golf
0	Code segment unload
0	Collect and sort square numbers in ascending order from three lists
0	Collections
0	Color of a screen pixel
0	Color quantization
0	Color separation
0	Color wheel
0	Colorful numbers
0	Colour bars/Display
0	Colour pinstripe/Display
0	Colour pinstripe/Printer
0	Combinations
0	Combinations and permutations
0	Combinations with repetitions
0	Combinations with repetitions/Square digit chain
0	Comma quibbling
0	Command-line arguments
0	Commatizing numbers
0	Comments
0	Common list elements
0	Common sorted list
0	Compare a list of strings
0	Compare length of two strings
0	Compare sorting algorithms' performance
0	Compile-time calculation
0	Compiler/AST interpreter
0	Compiler/Preprocessor
0	Compiler/Simple file inclusion pre processor
0	Compiler/Verifying syntax
0	Compiler/code generator
0	Compiler/lexical analyzer
0	Compiler/syntax analyzer
0	Compiler/virtual machine interpreter
0	Composite numbers k with no single digit factors whose factors are all substrings of k
0	Compound data type
0	Concatenate two primes is also prime
0	Concurrent computing
0	Conditional structures
0	Conjugate a Latin verb
0	Conjugate transpose
0	Consecutive primes with ascending or descending differences
0	Consistent overhead byte stuffing
0	Constrained genericity
0	Constrained random points on a circle
0	Continued fraction
0	Continued fraction/Arithmetic/Construct from rational number
0	Continued fraction/Arithmetic/G(matrix ng, continued fraction n)
0	Continued fraction/Arithmetic/G(matrix ng, continued fraction n1, continued fraction n2)
0	Convert CSV records to TSV
0	Convert decimal number to rational
0	Convert seconds to compound duration
0	Convex hull
0	Conway's Game of Life
0	Coprime triplets
0	Coprimes
0	Copy a string
0	Copy stdin to stdout
0	Count how many vowels and consonants occur in a string
0	Count in factors
0	Count in octal
0	Count occurrences of a substring
0	Count the coins
0	Count the coins/0-1
0	Countdown
0	Cousin primes
0	Cramer's rule
0	Create a file
0	Create a file on magnetic tape
0	Create a two-dimensional array at runtime
0	Create an HTML table
0	Create an executable for a program in an interpreted language
0	Create an object at a given address
0	Create an object/Native demonstration
0	Create your own text control codes
0	Cross compilation
0	Cuban primes
0	Cubic special primes
0	Cullen and Woodall numbers
0	Cumulative standard deviation
0	Currency
0	Currying
0	Curve that touches three points
0	Curzon numbers
0	Cut a rectangle
0	Cycle detection
0	Cycles of a permutation
0	Cyclops numbers
0	Cyclotomic polynomial
0	DNS query
0	Damm algorithm
0	Data Encryption Standard
0	Date format
0	Date manipulation
0	Dating agency
0	Day of the week
0	Day of the week of Christmas and New Year
0	Days between dates
0	De Bruijn sequences
0	De Polignac numbers
0	Deal cards for FreeCell
0	Death Star
0	Deceptive numbers
0	Decimal floating point number to binary
0	Decision tables
0	Deconvolution/1D
0	Deconvolution/2D+
0	Decorate-sort-undecorate idiom
0	Deepcopy
0	Define a primitive data type
0	Delegates
0	Delete a file
0	Deming's funnel
0	Department numbers
0	Descending primes
0	Detect division by zero
0	Determinant and permanent
0	Determine if a string has all the same characters
0	Determine if a string has all unique characters
0	Determine if a string is collapsible
0	Determine if a string is numeric
0	Determine if a string is squeezable
0	Determine if only one instance is running
0	Determine if two triangles overlap
0	Determine sentence type
0	Dice game probabilities
0	Digit fifth powers
0	Digital root
0	Digital root/Multiplicative digital root
0	Dijkstra's algorithm
0	Dinesman's multiple-dwelling problem
0	Dining philosophers
0	Diophantine linear system solving
0	Disarium numbers
0	Discordian date
0	Discrete Fourier transform
0	Display a linear combination
0	Display an outline as a nested table
0	Distance and Bearing
0	Distinct palindromes within decimal numbers
0	Distinct power numbers
0	Distributed programming
0	Distribution of 0 digits in factorial series
0	Diversity prediction theorem
0	Divide a rectangle into a number of unequal triangles
0	Documentation
0	Dominoes
0	Doomsday rule
0	Dot product
0	Double Twin Primes
0	Doubly-linked list/Definition
0	Doubly-linked list/Element definition
0	Doubly-linked list/Element insertion
0	Doubly-linked list/Element removal
0	Doubly-linked list/Traversal
0	Dragon curve
0	Draw a clock
0	Draw a cuboid
0	Draw a pixel
0	Draw a rotating cube
0	Draw a sphere
0	Draw pixel 2
0	Duffinian numbers
0	Dutch national flag problem
0	Dynamic variable names
0	EKG sequence convergence
0	Earliest difference between prime gaps
0	Eban numbers
0	Echo server
0	Eertree
0	Egyptian division
0	Eisenstein primes
0	Element-wise operations
0	Elementary cellular automaton
0	Elementary cellular automaton/Infinite length
0	Elementary cellular automaton/Random number generator
0	Elevator simulation
0	Elliptic Curve Digital Signature Algorithm
0	Elliptic curve arithmetic
0	Emirp primes
0	Empty directory
0	Empty program
0	Empty string
0	Enforced immutability
0	Engel expansion
0	English cardinal anagrams
0	Entropy
0	Entropy/Narcissist
0	Enumerations
0	Environment variables
0	Equal prime and composite sums
0	Equilibrium index
0	Erdös-Selfridge categorization of primes
0	Erdős-Nicolas numbers
0	Erdős-primes
0	Erdős–Woods numbers
0	Esthetic numbers
0	Ethiopian multiplication
0	Euclid-Mullin sequence
0	Euler method
0	Euler's constant 0.5772...
0	Euler's identity
0	Euler's sum of powers conjecture
0	Evaluate binomial coefficients
0	Even numbers which cannot be expressed as the sum of two twin primes
0	Even or odd
0	Events
0	Evolutionary algorithm
0	Exactly three adjacent 3 in lists
0	Exceptions
0	Exceptions/Catch an exception thrown in a nested call
0	Executable library
0	Execute Brain****
0	Execute Computer/Zero
0	Execute CopyPasta Language
0	Execute HQ9+
0	Execute SNUSP
0	Execute a Markov algorithm
0	Execute a system command
0	Exponential digital sums
0	Exponentiation operator
0	Exponentiation order
0	Exponentiation with infix operators in (or operating on) the base
0	Extend your language
0	Extensible prime generator
0	External sort
0	Extra primes
0	Extract file extension
0	Extreme floating point values
0	Extreme primes
0	FASTA format
0	FTP
0	Faces from a mesh
0	Factor-perfect numbers
0	Factorial
0	Factorial base numbers indexing permutations of a collection
0	Factorial primes
0	Factorions
0	Factors of a Mersenne number
0	Factors of an integer
0	Fairshare between two and more
0	Farey sequence
0	Fast Fourier transform
0	Faulhaber's formula
0	Faulhaber's triangle
0	Feigenbaum constant calculation
0	Fermat numbers
0	Fermat pseudoprimes
0	Fibonacci heap
0	Fibonacci matrix-exponentiation
0	Fibonacci n-step number sequences
0	Fibonacci sequence
0	Fibonacci word
0	Fibonacci word/fractal
0	File extension is in extensions list
0	File input/output
0	File modification time
0	File size
0	File size distribution
0	Filter
0	Find Chess960 starting position identifier
0	Find URI in text
0	Find adjacent primes which differ by a square integer
0	Find common directory path
0	Find duplicate files
0	Find first and last set bit of a long integer
0	Find first missing positive
0	Find if a point is within a triangle
0	Find largest left truncatable prime in a given base
0	Find limit of recursion
0	Find minimum number of coins that make a given value
0	Find palindromic numbers in both binary and ternary bases
0	Find prime n such that reversed n is also prime
0	Find prime numbers of the form n*n*n+2
0	Find square difference
0	Find squares n where n+1 is prime
0	Find the intersection of a line with a plane
0	Find the intersection of two lines
0	Find the last Sunday of each month
0	Find the missing permutation
0	Find words which contain the most consonants
0	Find words which contains all the vowels
0	Find words which contains more than 3 e vowels
0	Find words whose first and last three letters are equal
0	Find words with alternating vowels and consonants
0	Finite state machine
0	First 9 prime Fibonacci number
0	First class environments
0	First perfect square in base n with n unique digits
0	First power of 2 that has leading decimal digits of 12
0	First-class functions
0	First-class functions/Use numbers analogously
0	Five weekends
0	Fivenum
0	Fixed length records
0	FizzBuzz
0	Flatten a list
0	Flipping bits game
0	Flow-control structures
0	Floyd's triangle
0	Floyd-Warshall algorithm
0	Forbidden numbers
0	Forest fire
0	Fork
0	Formal power series
0	Formatted numeric output
0	Fortunate numbers
0	Forward difference
0	Four bit adder
0	Four is magic
0	Four is the number of letters in the ...
0	Four sides of square
0	Fractal tree
0	Fraction reduction
0	Fractran
0	Free polyominoes enumeration
0	French Republican calendar
0	Frobenius numbers
0	Function composition
0	Function definition
0	Function frequency
0	Function prototype
0	Functional coverage tree
0	Fusc sequence
0	GUI component interaction
0	GUI enabling/disabling of controls
0	GUI/Maximum window dimensions
0	Galton box animation
0	Gamma function
0	Gapful numbers
0	Gauss-Jordan matrix inversion
0	Gaussian elimination
0	Gaussian primes
0	General FizzBuzz
0	Generalised floating point addition
0	Generalised floating point multiplication
0	Generate Chess960 starting position
0	Generate lower case ASCII alphabet
0	Generate random chess position
0	Generate random numbers without repeating a value
0	Generator/Exponential
0	Generic swap
0	Geohash
0	Geometric algebra
0	Get system command output
0	Getting the number of decimal places
0	Giuga numbers
0	Globally replace text in several files
0	Go Fish
0	Goldbach's comet
0	Golden ratio/Convergence
0	Gotchas
0	Gradient descent
0	Graph colouring
0	Gray code
0	Grayscale image
0	Greatest common divisor
0	Greatest element of a list
0	Greatest subsequential sum
0	Greed
0	Greedy algorithm for Egyptian fractions
0	Greyscale bars/Display
0	Guess the number
0	Guess the number/With feedback
0	Guess the number/With feedback (player)
0	HTTP
0	HTTPS
0	HTTPS/Authenticated
0	HTTPS/Client-authenticated
0	Hailstone sequence
0	Halt and catch fire
0	Hamming numbers
0	Handle a signal
0	Happy numbers
0	Harmonic series
0	Harshad or Niven series
0	Hash from two arrays
0	Hash join
0	Haversine formula
0	Hello world/Graphical
0	Hello world/Line printer
0	Hello world/Newbie
0	Hello world/Newline omission
0	Hello world/Standard error
0	Hello world/Text
0	Hello world/Web server
0	Here document
0	Heronian triangles
0	Hex words
0	Hexapawn
0	Hickerson series of almost integers
0	Higher-order functions
0	Hilbert curve
0	History variables
0	Hofstadter Figure-Figure sequences
0	Hofstadter Q sequence
0	Hofstadter-Conway $10,000 sequence
0	Holidays related to Easter
0	Home primes
0	Honaker primes
0	Honeycombs
0	Horizontal sundial calculations
0	Horner's rule for polynomial evaluation
0	Horse racing
0	Host introspection
0	Hostname
0	Hough transform
0	Hourglass puzzle
0	Huffman coding
0	Humble numbers
0	Hunt the Wumpus
0	I before E except after C
0	I'm a software engineer, get me out of here
0	IBAN
0	IPC via named pipe
0	IRC gateway
0	ISBN13 check digit
0	Iccanobif primes
0	Identity matrix
0	Idiomatically determine all the characters that can be used for symbols
0	Idiomatically determine all the lowercase and uppercase letters
0	Idoneal numbers
0	Image convolution
0	Image noise
0	Imaginary base numbers
0	Implicit type conversion
0	Include a file
0	Inconsummate numbers in base 10
0	Increasing gaps between consecutive Niven numbers
0	Increment a numerical string
0	Index finite lists of positive integers
0	Infinity
0	Inheritance/Multiple
0	Inheritance/Single
0	Inner classes
0	Input loop
0	Input/Output for lines of text
0	Input/Output for pairs of numbers
0	Integer comparison
0	Integer long division
0	Integer overflow
0	Integer roots
0	Integer sequence
0	Interactive help
0	Interactive programming (repl)
0	Intersecting number wheels
0	Introspection
0	Inventory sequence
0	Inverted index
0	Inverted syntax
0	Isograms and heterograms
0	Isqrt (integer square root) of X
0	Iterated digits squaring
0	Iterators
0	JSON
0	JSON pointer
0	Jaccard index
0	Jacobi symbol
0	Jacobsthal numbers
0	Jaro similarity
0	Jaro-Winkler distance
0	Jensen's Device
0	Jewels and stones
0	Jordan-Pólya numbers
0	JortSort
0	Josephus problem
0	Joystick position
0	Juggler sequence
0	Julia set
0	Jump anywhere
0	Just in time processing on a character stream
0	K-d tree
0	K-means++ clustering
0	Kahan summation
0	Kaprekar numbers
0	Kernighans large earthquake problem
0	Keyboard input/Flush the keyboard buffer
0	Keyboard input/Keypress check
0	Keyboard input/Obtain a Y or N response
0	Keyboard macros
0	Klarner-Rado sequence
0	Knapsack problem/0-1
0	Knapsack problem/Bounded
0	Knapsack problem/Continuous
0	Knapsack problem/Unbounded
0	Knight's tour
0	Knuth shuffle
0	Knuth's algorithm S
0	Knuth's power tree
0	Knuth-Morris-Pratt string search
0	Koch curve
0	Kolakoski sequence
0	Kosaraju
0	Kronecker product
0	Kronecker product based fractals
0	LU decomposition
0	LZW compression
0	Lagrange Interpolation
0	Lah numbers
0	Langton's ant
0	Largest difference between adjacent primes
0	Largest five adjacent number
0	Largest int from concatenated ints
0	Largest number divisible by its digits
0	Largest palindrome product
0	Largest prime factor
0	Largest product in a grid
0	Largest proper divisor of n
0	Last Friday of each month
0	Last letter-first letter
0	Last list item
0	Latin Squares in reduced form
0	Latin Squares in reduced form/Randomizing using Jacobson and Matthews' technique
0	Launch rocket with countdown and acceleration in stdout
0	Law of cosines - triples
0	Leap year
0	Least common multiple
0	Least m such that n! + m is prime
0	Left factorials
0	Legendre prime counting function
0	Length of an arc between two angles
0	Leonardo numbers
0	Letter frequency
0	Levenshtein distance
0	Levenshtein distance/Alignment
0	Line circle intersection
0	Linear congruential generator
0	Linux CPU utilization
0	List comprehensions
0	List rooted trees
0	Literals/Floating point
0	Literals/Integer
0	Literals/String
0	Logical operations
0	Logistic curve fitting in epidemiology
0	Long literals, with continuations
0	Long multiplication
0	Long primes
0	Long stairs
0	Long year
0	Longest common prefix
0	Longest common subsequence
0	Longest common substring
0	Longest common suffix
0	Longest increasing subsequence
0	Longest palindromic substrings
0	Longest string challenge
0	Longest substrings without repeating characters
0	Look-and-say sequence
0	Loop over multiple arrays simultaneously
0	Loops/Break
0	Loops/Continue
0	Loops/Do-while
0	Loops/Downward for
0	Loops/For
0	Loops/For with a specified step
0	Loops/Foreach
0	Loops/Increment loop index within loop body
0	Loops/Infinite
0	Loops/N plus one half
0	Loops/Nested
0	Loops/While
0	Loops/With multiple ranges
0	Loops/Wrong ranges
0	Lucas-Lehmer test
0	Lucky and even lucky numbers
0	Ludic numbers
0	Luhn test of credit card numbers
0	Lychrel numbers
0	MAC vendor lookup
0	MD4
0	MD5
0	MD5/Implementation
0	Machine code
0	Mad Libs
0	Magic 8-ball
0	Magic constant
0	Magic numbers
0	Magic squares of doubly even order
0	Magic squares of odd order
0	Magic squares of singly even order
0	Magnanimous numbers
0	Main step of GOST 28147-89
0	Make a backup file
0	Make directory path
0	Man or boy test
0	Mandelbrot set
0	Map range
0	Marching squares
0	Markov chain text generator
0	Mastermind
0	Matrix chain multiplication
0	Matrix digital rain
0	Matrix multiplication
0	Matrix transposition
0	Matrix with two diagonals
0	Matrix-exponentiation operator
0	Maximum difference between adjacent elements of list
0	Maximum triangle path sum
0	Mayan calendar
0	Mayan numerals
0	Maze generation
0	Maze solving
0	McNuggets problem
0	Median filter
0	Meissel–Mertens constant
0	Memory allocation
0	Memory layout of a data structure
0	Menu
0	Merge and aggregate datasets
0	Mersenne primes
0	Mertens function
0	Metallic ratios
0	Metaprogramming
0	Metered concurrency
0	Metronome
0	Mian-Chowla sequence
0	Middle three digits
0	Miller–Rabin primality test
0	Mind boggling card trick
0	Minesweeper game
0	Minimal steps down to 1
0	Minimum multiple of m where digital sum equals m
0	Minimum number of cells after, before, above and below NxN squares
0	Minimum numbers of three lists
0	Minimum positive multiple in base 10 using only 0 and 1
0	Minimum primes
0	Minkowski question-mark function
0	Modified random distribution
0	Modular arithmetic
0	Modular exponentiation
0	Modular inverse
0	Modulinos
0	Monads/List monad
0	Monads/Maybe monad
0	Monads/Writer monad
0	Monte Carlo methods
0	Montgomery reduction
0	Monty Hall problem
0	Morpion solitaire
0	Morse code
0	Mosaic matrix
0	Most frequent k chars distance
0	Motzkin numbers
0	Mouse position
0	Move-to-front algorithm
0	Multi-base primes
0	Multi-dimensional array
0	Multidimensional Newton-Raphson method
0	Multifactorial
0	Multiline shebang
0	Multiple distinct objects
0	Multiple regression
0	Multiplication tables
0	Multiplicative order
0	Multiplicatively perfect numbers
0	Multisplit
0	Multiton
0	Munchausen numbers
0	Munching squares
0	Musical scale
0	Mutex
0	Mutual recursion
0	Möbius function
0	N'th
0	N-body problem
0	N-grams
0	N-queens minimum and knights and bishops
0	N-queens problem
0	N-smooth numbers
0	NYSIIS
0	Named parameters
0	Names to numbers
0	Naming conventions
0	Narcissist
0	Narcissistic decimal number
0	Native shebang
0	Natural sorting
0	Nautical bell
0	Negative base numbers
0	Neighbour primes
0	Nested function
0	Nested templated data
0	Next highest int from digits
0	Next special primes
0	Nice primes
0	Nim game
0	Nimber arithmetic
0	Non-continuous subsequences
0	Non-decimal radices/Convert
0	Non-decimal radices/Input
0	Non-decimal radices/Output
0	Non-transitive dice
0	Nonoblock
0	Nonogram solver
0	Nth root
0	Null object
0	Number names
0	Number reversal game
0	Number triplets game
0	Numbers divisible by their individual digits, but not by the product of their digits.
0	Numbers in base 10 that are palindromic in bases 2, 4, and 16
0	Numbers in base-16 representation that cannot be written with decimal digits
0	Numbers k such that the last letter of k is the same as the first letter of k+1
0	Numbers which are not the sum of distinct squares
0	Numbers which are the cube roots of the product of their proper divisors
0	Numbers whose binary and ternary digit sums are prime
0	Numbers whose count of divisors is prime
0	Numbers with equal rises and falls
0	Numbers with prime digits whose sum is 13
0	Numbers with same digit set in base 10 and base 16
0	Numeric error propagation
0	Numeric separator syntax
0	Numerical and alphabetical suffixes
0	Numerical integration
0	Numerical integration/Adaptive Simpson's method
0	Numerical integration/Gauss-Legendre Quadrature
0	O'Halloran numbers
0	OLE automation
0	Object serialization
0	Odd and square numbers
0	Odd squarefree semiprimes
0	Odd word problem
0	Odd words
0	Old Russian measure of length
0	Old lady swallowed a fly
0	One of n lines in a file
0	One-dimensional cellular automata
0	One-time pad
0	One-two primes
0	OpenGL
0	OpenGL pixel shader
0	OpenGL/Utah teapot
0	OpenWebNet password
0	Operator precedence
0	Optional parameters
0	Orbital elements
0	Order by pair comparisons
0	Order disjoint list items
0	Order two numerical lists
0	Ordered partitions
0	Ordered words
0	Ormiston pairs
0	Ormiston triples
0	Overloaded operators
0	Own digits power sum
0	P-Adic numbers, basic
0	P-Adic square roots
0	P-value correction
0	Padovan n-step number sequences
0	Padovan sequence
0	Pairs with common factors
0	Palindrome dates
0	Palindrome detection
0	Palindromic gapful numbers
0	Palindromic primes
0	Palindromic primes in base 16
0	Pan base non-primes
0	Pancake numbers
0	Pandigital prime
0	Pangram checker
0	Paraffins
0	Parallel brute force
0	Parallel calculations
0	Parameterized SQL statement
0	Parametric polymorphism
0	Parse EBNF
0	Parse an IP Address
0	Parse command-line arguments
0	Parsing/RPN calculator algorithm
0	Parsing/RPN to infix conversion
0	Parsing/Shunting-yard algorithm
0	Partial function application
0	Particle fountain
0	Particle swarm optimization
0	Partition an integer x into n primes
0	Partition function P
0	Pascal matrix generation
0	Pascal's triangle
0	Pascal's triangle/Puzzle
0	Password generator
0	Pathological floating point problems
0	Peaceful chess queen armies
0	Peano curve
0	Pell numbers
0	Pell's equation
0	Penholodigital squares
0	Penney's game
0	Penrose tiling
0	Penta-power prime seeds
0	Pentagram
0	Pentomino tiling
0	Percentage difference between images
0	Perceptron
0	Percolation/Bond percolation
0	Percolation/Mean cluster density
0	Percolation/Mean run density
0	Percolation/Site percolation
0	Perfect numbers
0	Perfect shuffle
0	Perfect totient numbers
0	Periodic table
0	Peripheral drift illusion
0	Perlin noise
0	Permutation test
0	Permutations
0	Permutations by swapping
0	Permutations with repetitions
0	Permutations with some identical elements
0	Permutations/Derangements
0	Permutations/Rank of a permutation
0	Permuted multiples
0	Pernicious numbers
0	Phrase reversals
0	Pi
0	Pick random element
0	Pierpont primes
0	Pig the dice game
0	Pig the dice game/Player
0	Pinstripe/Display
0	Pinstripe/Printer
0	Piprimes
0	Pisano period
0	Plasma effect
0	Play recorded sounds
0	Playfair cipher
0	Playing cards
0	Plot coordinate pairs
0	Pointers and references
0	Poker hand analyser
0	Polymorphic copy
0	Polymorphism
0	Polynomial derivative
0	Polynomial long division
0	Polynomial regression
0	Polynomial synthetic division
0	Polyspiral
0	Population count
0	Posit numbers/decoding
0	Posit numbers/encoding
0	Positive decimal integers with the digit 1 occurring exactly twice
0	Power set
0	Powerful numbers
0	Practical numbers
0	Pragmatic directives
0	Price fraction
0	Price list behind API
0	Primality by Wilson's theorem
0	Primality by trial division
0	Prime conspiracy
0	Prime decomposition
0	Prime numbers p for which the sum of primes less than or equal to p is prime
0	Prime numbers which contain 123
0	Prime numbers whose neighboring pairs are tetraprimes
0	Prime reciprocal sum
0	Prime triangle
0	Prime triplets
0	Prime words
0	Primes - allocate descendants to their ancestors
0	Primes which contain only one odd digit
0	Primes whose first and last number is 3
0	Primes whose sum of digits is 25
0	Primes with digits in nondecreasing order
0	Primes: n*2^m+1
0	Primorial numbers
0	Print debugging statement
0	Print itself
0	Priority queue
0	Probabilistic choice
0	Problem of Apollonius
0	Process SMIL directives in XML data
0	Product of divisors
0	Product of min and max prime factors
0	Program name
0	Program termination
0	Proof
0	Proper divisors
0	Protecting Memory Secrets
0	Pseudo-random numbers/Combined recursive generator MRG32k3a
0	Pseudo-random numbers/Middle-square method
0	Pseudo-random numbers/PCG32
0	Pseudo-random numbers/Splitmix64
0	Pseudo-random numbers/Xorshift star
0	Pseudorandom number generator image
0	Pythagoras tree
0	Pythagorean quadruples
0	Pythagorean triples
0	QR decomposition
0	Quad-power prime seeds
0	Quadrat special primes
0	Quaternion type
0	Queue/Definition
0	Queue/Usage
0	Quickselect algorithm
0	Quine
0	Quoting constructs
0	RCRPG
0	RIPEMD-160
0	RPG attributes generator
0	RSA code
0	Radical of an integer
0	Railway circuit
0	Rainbow
0	Ramanujan primes
0	Ramanujan primes/twins
0	Ramanujan's constant
0	Ramer-Douglas-Peucker line simplification
0	Ramsey's theorem
0	Random Latin squares
0	Random number generator (device)
0	Random number generator (included)
0	Random numbers
0	Random sentence from book
0	Range consolidation
0	Range expansion
0	Range extraction
0	Range modifications
0	Ranking methods
0	Rare numbers
0	Raster bars
0	Rate counter
0	Ray-casting algorithm
0	Read a configuration file
0	Read a file character by character/UTF8
0	Read a file line by line
0	Read a specific line from a file
0	Read entire file
0	Readline interface
0	Real constants and functions
0	Recaman's sequence
0	Record sound
0	Recursive descent parser generator
0	Red black tree sort
0	Reduced row echelon form
0	Reflection/Get source
0	Reflection/List methods
0	Reflection/List properties
0	Regular expressions
0	Remote agent/Agent interface
0	Remote agent/Agent logic
0	Remote agent/Simulation
0	Remove duplicate elements
0	Remove lines from a file
0	Remove vowels from a string
0	Rename a file
0	Rendezvous
0	Rep-string
0	Repeat
0	Repeat a string
0	Repunit primes
0	Resistance calculator
0	Resistance network calculator
0	Resistor mesh
0	Respond to an unknown method call
0	Retrieve and search chat history
0	Return multiple values
0	Reverse a string
0	Reverse the gender of a string
0	Reverse the order of lines in a text file while preserving the contents of each line
0	Reverse words in a string
0	Rhonda numbers
0	Rice coding
0	Riordan numbers
0	Robots
0	Rock-paper-scissors
0	Rodrigues’ rotation formula
0	Roman numerals/Decode
0	Roman numerals/Encode
0	Roots of a function
0	Roots of a quadratic function
0	Roots of unity
0	Rosetta Code/Count examples
0	Rosetta Code/Find bare lang tags
0	Rosetta Code/Find unimplemented tasks
0	Rosetta Code/Fix code tags
0	Rosetta Code/List authors of task descriptions
0	Rosetta Code/Rank languages by number of users
0	Rosetta Code/Rank languages by popularity
0	Rosetta Code/Run examples
0	Rosetta Code/Tasks without examples
0	Rot-13
0	Round-robin tournament schedule
0	Run as a daemon or service
0	Run-length encoding
0	Runge-Kutta method
0	Runtime evaluation
0	Runtime evaluation/In an environment
0	Ruth-Aaron numbers
0	S-expressions
0	SEDOLs
0	SEND + MORE = MONEY
0	SHA-1
0	SHA-256
0	SHA-256 Merkle tree
0	SOAP
0	SQL-based authentication
0	Safe addition
0	Safe and Sophie Germain primes
0	Safe mode
0	Safe primes and unsafe primes
0	Sailors, coconuts and a monkey problem
0	Same fringe
0	Sanitize user input
0	Sattolo cycle
0	Scope modifiers
0	Scope/Function names and labels
0	Sealed classes and methods
0	Search a list
0	Search a list of records
0	Search in paragraph's text
0	Secure temporary file
0	Segmentation fault protection
0	Selection bias in clinical sciences
0	Selective file copy
0	Selectively replace multiple instances of a character within a string
0	Self numbers
0	Self-describing numbers
0	Self-hosting compiler
0	Semiprime
0	Semordnilap
0	Send an unknown method call
0	Send email
0	Separate the house number from the street name
0	Sequence of non-squares
0	Sequence of primes by trial division
0	Sequence of primorial primes
0	Sequence: nth number with exactly n divisors
0	Sequence: smallest number greater than previous term with exactly n divisors
0	Sequence: smallest number with exactly n divisors
0	Set
0	Set consolidation
0	Set of real numbers
0	Set puzzle
0	Set right-adjacent bits
0	Set, the card game
0	Seven-sided dice from five-sided dice
0	Sexy primes
0	Shell one-liner
0	Shift list elements to left by 3
0	Shoelace formula for polygonal area
0	Short-circuit evaluation
0	Shortest common supersequence
0	Show ASCII table
0	Show the (decimal) value of a number of 1s appended with a 3, then squared
0	Show the epoch
0	Sierpinski arrowhead curve
0	Sierpinski carpet
0	Sierpinski curve
0	Sierpinski pentagon
0	Sierpinski square curve
0	Sierpinski triangle
0	Sierpinski triangle/Graphical
0	Sieve of Eratosthenes
0	Sieve of Pritchard
0	Simple database
0	Simple turtle graphics
0	Simple windowed application
0	Simulate input/Keyboard
0	Simulate input/Mouse
0	Simulated annealing
0	Simulated optics experiment/Data analysis
0	Simulated optics experiment/Simulator
0	Sine wave
0	Singleton
0	Singly-linked list/Element definition
0	Singly-linked list/Element insertion
0	Singly-linked list/Element removal
0	Singly-linked list/Reversal
0	Singly-linked list/Traversal
0	Singular value decomposition
0	Sisyphus sequence
0	Sleep
0	Sleeping Beauty problem
0	Smallest enclosing circle problem
0	Smallest multiple
0	Smallest number k such that k+2^m is composite for all m less than k
0	Smallest numbers
0	Smallest power of 6 whose decimal expansion contains n
0	Smallest square that begins with n
0	Smarandache prime-digital sequence
0	Smarandache-Wellin primes
0	Smith numbers
0	Snake
0	Snake and ladder
0	Sockets
0	Sokoban
0	Soloway's recurring rainfall
0	Solve a Hidato puzzle
0	Solve a Holy Knight's tour
0	Solve a Hopido puzzle
0	Solve a Numbrix puzzle
0	Solve a Rubik's cube
0	Solve equations with substitution method
0	Solve hanging lantern problem
0	Solve the no connection puzzle
0	Solve triangle solitare puzzle
0	Solving coin problems
0	Sorensen–Dice coefficient
0	Sort a list of object identifiers
0	Sort an array of composite structures
0	Sort an integer array
0	Sort an outline at every level
0	Sort disjoint sublist
0	Sort numbers lexicographically
0	Sort primes from list to a list
0	Sort stability
0	Sort the letters of string in alphabetical order
0	Sort three variables
0	Sort using a custom comparator
0	Sorting Algorithms/Circle Sort
0	Sorting algorithms/Bead sort
0	Sorting algorithms/Bogosort
0	Sorting algorithms/Bubble sort
0	Sorting algorithms/Cocktail sort
0	Sorting algorithms/Cocktail sort with shifting bounds
0	Sorting algorithms/Comb sort
0	Sorting algorithms/Counting sort
0	Sorting algorithms/Cycle sort
0	Sorting algorithms/Gnome sort
0	Sorting algorithms/Heapsort
0	Sorting algorithms/Insertion sort
0	Sorting algorithms/Merge sort
0	Sorting algorithms/Pancake sort
0	Sorting algorithms/Patience sort
0	Sorting algorithms/Permutation sort
0	Sorting algorithms/Quicksort
0	Sorting algorithms/Radix sort
0	Sorting algorithms/Selection sort
0	Sorting algorithms/Shell sort
0	Sorting algorithms/Sleep sort
0	Sorting algorithms/Stooge sort
0	Sorting algorithms/Strand sort
0	Sorting algorithms/Tree sort on a linked list
0	Soundex
0	Sparkline in unicode
0	Special characters
0	Special divisors
0	Special factorials
0	Special neighbor primes
0	Special pythagorean triplet
0	Special variables
0	Speech synthesis
0	Spelling of ordinal numbers
0	Sphenic numbers
0	Spinning rod animation/Text
0	Spiral matrix
0	Split a character string based on change of character
0	Spoof game
0	Square but not cube
0	Square form factorization
0	Square root by hand
0	Square-free integers
0	Stable marriage problem
0	Stack
0	Stack traces
0	Stair-climbing puzzle
0	Start from a main routine
0	Starting a web browser
0	State name puzzle
0	Statistics/Basic
0	Statistics/Chi-squared distribution
0	Statistics/Normal distribution
0	Steady squares
0	Steffensen's method
0	Stem-and-leaf plot
0	Stern-Brocot sequence
0	Stirling numbers of the first kind
0	Stirling numbers of the second kind
0	Straddling checkerboard
0	Strange numbers
0	Strange plus numbers
0	Strange unique prime triplets
0	Strassen's algorithm
0	Stream merge
0	String append
0	String case
0	String comparison
0	String concatenation
0	String interpolation (included)
0	String length
0	String matching
0	String prepend
0	Strip a set of characters from a string
0	Strip block comments
0	Strip comments from a string
0	Strip control codes and extended characters from a string
0	Strip whitespace from a string/Top and tail
0	Strong and weak primes
0	Sub-unit squares
0	Subleq
0	Subset sum problem
0	Substitution cipher
0	Substring
0	Substring primes
0	Substring/Top and tail
0	Subtractive generator
0	Successive prime differences
0	Sudan function
0	Sudoku
0	Suffix tree
0	Suffixation of decimal numbers
0	Sum and product of an array
0	Sum and product puzzle
0	Sum data type
0	Sum digits of an integer
0	Sum multiples of 3 and 5
0	Sum of a series
0	Sum of divisors
0	Sum of elements below main diagonal of matrix
0	Sum of first n cubes
0	Sum of primes in odd positions is prime
0	Sum of square and cube digits of an integer are primes
0	Sum of squares
0	Sum of the digits of n is substring of n
0	Sum of two adjacent numbers are primes
0	Sum to 100
0	Summarize and say sequence
0	Summarize primes
0	Summation of primes
0	Sunflower fractal
0	Super-Poulet numbers
0	Super-d numbers
0	Superellipse
0	Superpermutation minimisation
0	Sutherland-Hodgman polygon clipping
0	Sylvester's sequence
0	Symmetric difference
0	Synchronous concurrency
0	Syntax highlighting using Mediawiki formatting
0	System time
0	Szymański's algorithm
0	Table creation
0	Table creation/Postal addresses
0	Take notes on the command line
0	Tamagotchi emulator
0	Tarjan
0	Tau function
0	Tau number
0	Taxicab numbers
0	Teacup rim text
0	Temperature conversion
0	Terminal control/Clear the screen
0	Terminal control/Coloured text
0	Terminal control/Cursor movement
0	Terminal control/Cursor positioning
0	Terminal control/Dimensions
0	Terminal control/Display an extended character
0	Terminal control/Hiding the cursor
0	Terminal control/Inverse video
0	Terminal control/Positional read
0	Terminal control/Preserve screen
0	Terminal control/Restricted width positional input/No wrapping
0	Terminal control/Restricted width positional input/With wrapping
0	Terminal control/Ringing the terminal bell
0	Terminal control/Unicode output
0	Ternary logic
0	Test a function
0	Test integerness
0	Tetris
0	Text between
0	Text completion
0	Text processing/1
0	Text processing/2
0	Text processing/Max licenses in use
0	Text to HTML
0	Textonyms
0	The ISAAC cipher
0	The Name Game
0	The Twelve Days of Christmas
0	The sieve of Sundaram
0	Thiele's interpolation formula
0	Three word location
0	Thue-Morse
0	Tic-tac-toe
0	Time a function
0	Time-based one-time password algorithm
0	Tokenize a string
0	Tokenize a string with escaping
0	Tonelli-Shanks algorithm
0	Top rank per group
0	Topic variable
0	Topological sort
0	Topological sort/Extracted top item
0	Topswops
0	Total circles area
0	Totient function
0	Towers of Hanoi
0	Trabb Pardo–Knuth algorithm
0	Transliterate English text using the Greek alphabet
0	Transportation problem
0	Tree datastructures
0	Tree from nesting levels
0	Tree traversal
0	Triangular numbers
0	Trigonometric functions
0	Triplet of three numbers
0	Tropical algebra overloading
0	Truncatable primes
0	Truncate a file
0	Truth table
0	Tupper's self-referential formula
0	Twelve statements
0	Twin primes
0	Two bullet roulette
0	Two identical strings
0	Two sum
0	Two's complement
0	Type detection
0	UPC
0	URL decoding
0	URL encoding
0	URL parser
0	URL shortener
0	UTF-8 encode and decode
0	Ukkonen’s suffix tree construction
0	Ulam numbers
0	Ulam spiral (for primes)
0	Ultra useful primes
0	Unbias a random generator
0	Undefined values
0	Undulating numbers
0	Unicode polynomial equation
0	Unicode strings
0	Unicode variable names
0	Unique characters
0	Unique characters in each string
0	Unit testing
0	Universal Turing machine
0	Unix/ls
0	Uno (card game)
0	Unprimeable numbers
0	Untouchable numbers
0	Untrusted environment
0	Update a configuration file
0	Upside-down numbers
0	Use a REST API
0	Use another language to call a function
0	Useless instructions
0	User defined pipe and redirection operators
0	User input/Graphical
0	User input/Text
0	Using a speech engine to highlight words
0	VList
0	Validate International Securities Identification Number
0	Vampire number
0	Van Eck sequence
0	Van der Corput sequence
0	Variable declaration reset
0	Variable size/Get
0	Variable size/Set
0	Variable-length quantity
0	Variables
0	Variadic function
0	Vector
0	Vector products
0	Verhoeff algorithm
0	Verify distribution uniformity/Chi-squared test
0	Verify distribution uniformity/Naive
0	Vibrating rectangles
0	Video display modes
0	Vidir
0	Vigenère cipher
0	Vigenère cipher/Cryptanalysis
0	Visitor pattern
0	Visualize a tree
0	Vogel's approximation method
0	Voronoi diagram
0	Wagstaff primes
0	Walk a directory/Non-recursively
0	Walk a directory/Recursively
0	Walsh matrix
0	War card game
0	Wasteful, equidigital and frugal numbers
0	Water collected between towers
0	Wave function collapse
0	Waveform analysis/Doh ray me
0	Waveform analysis/Top and tail
0	Weather routing
0	Web scraping
0	WebGL rotating F
0	Weird numbers
0	Welch's t-test
0	Wieferich primes
0	WiktionaryDumps to words
0	Wilson primes of order n
0	Window creation
0	Window creation/X11
0	Window management
0	Wireworld
0	Wolstenholme numbers
0	Word break problem
0	Word frequency
0	Word ladder
0	Word search
0	Word wheel
0	Word wrap
0	Wordiff
0	Wordle comparison
0	Words containing "the" substring
0	Words from neighbour ones
0	World Cup group stage
0	Worthwhile task shaving
0	Write entire file
0	Write float arrays to a text file
0	Write language name in 3D ASCII
0	Write to Windows event log
0	XML validation
0	XML/DOM serialization
0	XML/Input
0	XML/Output
0	XML/XPath
0	XXXX redacted
0	Xiaolin Wu's line algorithm
0	Y combinator
0	Yahoo! search interface
0	Yellowstone sequence
0	Yin and yang
0	Zebra puzzle
0	Zeckendorf arithmetic
0	Zeckendorf number representation
0	Zero to the zero power
0	Zhang-Suen thinning algorithm
0	Zig-zag matrix
0	Zsigmondy numbers
0	Zumkeller numbers