Tasks not implemented in C sharp
Awareness
If C# is a language you like, or are interested in, please inform your fellow members of the C# community; this page can't be emptied without your and their participation.
If C# is a language you like, or are interested in, please inform your fellow members of the C# community; this page can't be emptied without your and their participation.
Tasks not implemented in C#
A
- ADFGVX cipher
- Abelian sandpile model/Identity
- Achilles numbers
- Add a variable to a class instance at runtime
- Algebraic data types
- Almkvist-Giullera formula for pi
- Anadromes
- Anagram generator
- Associative array/Merging
B
- Babylonian spiral
- Bifid cipher
- Bioinformatics/Global alignment
- Boustrophedon transform
- Boyer-Moore string search
- Break OO privacy
- Brilliant numbers
C
- Calkin-Wilf sequence
- Camel case and snake case
- Centre and radius of a circle passing through 3 points in a plane
- Check Machin-like formulas
- Church numerals
- Color wheel
- Colour pinstripe/Printer
- Commatizing numbers
- Constrained genericity
- Cullen and Woodall numbers
- Cycles of a permutation
- Cyclops numbers
- Cyclotomic polynomial
D
- De Bruijn sequences
- Define a primitive data type
- Deming's funnel
- Determine sentence type
- Display an outline as a nested table
- Distance and Bearing
- Distribution of 0 digits in factorial series
- Dominoes
- Duffinian numbers
- Dynamic variable names
E
- Earliest difference between prime gaps
- Eertree
- Elementary cellular automaton/Infinite length
- Equal prime and composite sums
- Erdös-Selfridge categorization of primes
- Euclid-Mullin sequence
- Euclidean rhythm
- Execute Computer/Zero
- Exponentiation with infix operators in (or operating on) the base
F
- Faces from a mesh
- Factorial base numbers indexing permutations of a collection
- Factorial primes
- Factorize string into Lyndon words
- Fermat pseudoprimes
- Find Chess960 starting position identifier
- Find duplicate files
- First-class functions/Use numbers analogously
- Fixed length records
- French Republican calendar
- Functional coverage tree
G
- GSTrans string conversion
- Gaussian primes
- Giuga numbers
- Goldbach's comet
- Graph colouring
- Greatest prime dividing the n-th cubefree number
H
- HTTPS/Client-authenticated
- Harmonic series
- Hash join
- Hashtron inference
- Here document
- Hex words
- History variables
- Home primes
I
- I'm a software engineer, get me out of here
- Idiomatically determine all the characters that can be used for symbols
- Inconsummate numbers in base 10
- Index finite lists of positive integers
- Interactive programming (repl)
- Isograms and heterograms
J
K
L
M
- Magic constant
- Mastermind
- Mayan calendar
- Meissel–Mertens constant
- Merge and aggregate datasets
- Metallic ratios
- Minimal steps down to 1
- Minkowski question-mark function
- Modified random distribution
- Monads/Writer monad
- Multi-base primes
N
- Nested templated data
- Non-transitive dice
- Nonogram solver
- Numbers k such that the last letter of k is the same as the first letter of k+1
- Numbers which are not the sum of distinct squares
- Numerical and alphabetical suffixes
O
P
- P-Adic numbers, basic
- P-Adic square roots
- Particle fountain
- Pell numbers
- Pentomino tiling
- Peripheral drift illusion
- Pig the dice game/Player
- Pinstripe/Printer
- Pisano period
- Playfair cipher
- Primes: n*2^m+1
Q
R
- Ramanujan primes/twins
- Ramanujan's constant
- Random sentence from book
- Rare numbers
- Reflection/Get source
- Reflection/List methods
- Reflection/List properties
- Repunit primes
- Respond to an unknown method call
- Rhonda numbers
- Riordan numbers
- Rosetta Code/Count examples
- Rosetta Code/Find bare lang tags
- Rosetta Code/Find unimplemented tasks
- Rosetta Code/Fix code tags
- Rosetta Code/Rank languages by number of users
- Round-robin tournament schedule
- Runtime evaluation
- Runtime evaluation/In an environment
- Ruth-Aaron numbers
S
- Send an unknown method call
- Set right-adjacent bits
- Set, the card game
- Sierpinski square curve
- Sieve of Pritchard
- Simple turtle graphics
- Sisyphus sequence
- Sleeping Beauty problem
- Smallest number k such that k+2^m is composite for all m less than k
- Solve a Holy Knight's tour
- Solve a Hopido puzzle
- Solve a Numbrix puzzle
- Sorensen–Dice coefficient
- Sort an outline at every level
- Strassen's algorithm
- Sub-unit squares
- Suffixation of decimal numbers
- Super-Poulet numbers
- Sylvester's sequence
T
- Topic variable
- Transliterate English text using the Greek alphabet
- Tree datastructures
- Tree from nesting levels
- Tropical algebra overloading
- Tupper's self-referential formula
- Twelve statements
U
V
W
- War card game
- Wasteful, equidigital and frugal numbers
- Word ladder
- Word search
- Wordiff
- Worthwhile task shaving
Y
Z
Draft tasks not implemented in C#
1
3
A
- Anaprimes
- Apéry's constant
- Arithmetic coding/As a generalized change of radix
- Assertions in design by contract
- Audio alarm
- Audio frequency generator
- Audio overlap loop
- Autogram checker
B
- B-spline
- Base 16 numbers needing a to f
- Base58Check encoding
- Binary coded decimal
- Bioinformatics/Subsequence
- Black box
- Blackjack strategy
- Brace expansion using ranges
C
- CLI-based maze-game
- Carmichael lambda function
- Checksumcolor
- Chess player
- Code segment unload
- Collect and sort square numbers in ascending order from three lists
- Color separation
- Combinations with repetitions/Square digit chain
- Common list elements
- Compiler/Preprocessor
- Compiler/Simple file inclusion pre processor
- Conjugate a Latin verb
- Continued fraction convergents
- Convert CSV records to TSV
- Count the coins/0-1
- Countdown
- Create an executable for a program in an interpreted language
- Create an object/Native demonstration
- Create your own text control codes
- Cross compilation
- Curve that touches three points
D
- Dating agency
- Decimal floating point number to binary
- Discrete Fourier transform
- Distinct palindromes within decimal numbers
- Divide a rectangle into a number of unequal triangles
- Doubly-linked list/Element removal
E
- Eisenstein primes
- Elevator simulation
- Engel expansion
- English cardinal anagrams
- Erdős–Woods numbers
- Even numbers which cannot be expressed as the sum of two twin primes
- Execute CopyPasta Language
- Exponential digital sums
- Extended Straddling Checkerboard
- External sort
F
- Factor-perfect numbers
- Fibonacci heap
- Fibonacci matrix-exponentiation
- Find URI in text
- Find first missing positive
- Find words which contain the most consonants
- Free polyominoes enumeration
G
- Generalised floating point addition
- Generalised floating point multiplication
- Generate random numbers without repeating a value
- Geohash
- Geometric algebra
- Goodstein Sequence
- Gradient descent
- Greed
H
I
J
K
L
- L-system
- Lagrange Interpolation
- Largest palindrome product
- Largest product in a grid
- Latin Squares in reduced form/Randomizing using Jacobson and Matthews' technique
- Launch rocket with countdown and acceleration in stdout
- Longest palindromic substrings
- Lucas-Carmichael numbers
M
- Magic numbers
- Make a backup file
- Marching squares
- Markov chain text generator
- Most frequent k chars distance
- Multidimensional Newton-Raphson method
- Multiton
N
- N-queens minimum and knights and bishops
- NYSIIS
- Names to numbers
- Neighbour primes
- Number triplets game
- Numbers whose count of divisors is prime
O
P
- Palindromic primes
- Palindromic primes in base 16
- Pandigital prime
- Parse EBNF
- Particle swarm optimization
- Penholodigital squares
- Penrose tiling
- Perceptron
- Permutations with some identical elements
- Polynomial derivative
- Polynomial synthetic division
- Posit numbers/decoding
- Posit numbers/encoding
- Positive decimal integers with the digit 1 occurring exactly twice
- Powerful numbers
- Practical numbers
- Price list behind API
- Prime numbers p for which the sum of primes less than or equal to p is prime
- Prime numbers which contain 123
- Prime triplets
- Prime words
- Primes which contain only one odd digit
- Primes with digits in nondecreasing order
- Print itself
- Process SMIL directives in XML data
- Proof
- Protecting Memory Secrets
- Pseudorandom number generator image
Q
R
- Railway circuit
- Ramanujan primes
- Range modifications
- Raster bars
- Recursive descent parser generator
- Red black tree sort
- Resistance calculator
- Resistance network calculator
- Reverse the gender of a string
- Reverse the order of lines in a text file while preserving the contents of each line
- Rice coding
- Robots
- Roots of a cubic polynomial
- Rosetta Code/List authors of task descriptions
- Rosetta Code/Run examples
- Rosetta Code/Tasks without examples
S
- Safe mode
- Sanitize user input
- Segmentation fault protection
- Selection bias in clinical sciences
- Selective file copy
- Self-hosting compiler
- Separate the house number from the street name
- Sierpinski curve
- Simulated optics experiment/Data analysis
- Simulated optics experiment/Simulator
- Smallest enclosing circle problem
- Smallest multiple
- Smallest numbers
- Solve a Rubik's cube
- Solve equations with substitution method
- Solve hanging lantern problem
- Solve triangle solitaire puzzle
- Solving coin problems
- Sort primes from list to a list
- Special pythagorean triplet
- Square root by hand
- Starting a web browser
- Statistics/Chi-squared distribution
- Sturmian word
- Substring primes
- Suffix tree
- Syntax highlighting using Mediawiki formatting
- Szymański's algorithm
T
- Tamagotchi emulator
- Terminal control/Restricted width positional input/No wrapping
- Terminal control/Restricted width positional input/With wrapping
- Text completion
- Text to HTML
- Time-based one-time password algorithm
- Transportation problem
- Triangular numbers
U
- URL shortener
- Unicode polynomial equation
- Unique characters in each string
- Unit testing
- Uno (card game)
- Upside-down numbers
- Use a REST API
- User defined pipe and redirection operators
- Using a speech engine to highlight words
V
W
- Walsh matrix
- Waveform analysis/Doh ray me
- Waveform analysis/Top and tail
- Weather routing
- WebGL rotating F
- Word break problem
Tasks omitted from C#
1
2
4
9
A
- A* search algorithm
- A+B
- ABC problem
- ABC words
- AKS test for primes
- ASCII art diagram converter
- ASCII control characters
- AVL tree
- Abbreviations, automatic
- Abbreviations, easy
- Abbreviations, simple
- Abelian sandpile model
- Abstract type
- Abundant odd numbers
- Abundant, deficient and perfect number classifications
- Accumulator factory
- Ackermann function
- Active Directory/Connect
- Active Directory/Search for a user
- Active object
- Addition chains
- Addition-chain exponentiation
- Additive primes
- Address of a variable
- Air mass
- Align columns
- Aliquot sequence classifications
- Almost prime
- Alternade words
- Amb
- Amicable pairs
- Anagrams
- Anagrams/Deranged anagrams
- Angle difference between two bearings
- Angles (geometric), normalization and conversion
- Animate a pendulum
- Animation
- Anonymous recursion
- Anti-primes
- Append a record to the end of a text file
- Append numbers at same position in strings
- Apply a callback to an array
- Apply a digital filter (direct form II transposed)
- Approximate equality
- Arbitrary-precision integers (included)
- Archimedean spiral
- Arena storage pool
- Arithmetic derivative
- Arithmetic evaluation
- Arithmetic numbers
- Arithmetic-geometric mean
- Arithmetic-geometric mean/Calculate Pi
- Arithmetic/Complex
- Arithmetic/Integer
- Arithmetic/Rational
- Array concatenation
- Array length
- Arrays
- Ascending primes
- Aspect oriented programming
- Assertions
- Associative array/Creation
- Associative array/Iteration
- Atomic updates
- Attractive numbers
- Average loop length
- Averages/Arithmetic mean
- Averages/Mean angle
- Averages/Mean time of day
- Averages/Median
- Averages/Mode
- Averages/Pythagorean means
- Averages/Root mean square
- Averages/Simple moving average
B
- Babbage problem
- Bacon cipher
- Balanced brackets
- Balanced ternary
- Banker's algorithm
- Barnsley fern
- Base64 decode data
- Base64 encode data
- Bell numbers
- Benford's law
- Bernoulli numbers
- Bernstein basis polynomials
- Best shuffle
- Bilinear interpolation
- Bin given limits
- Binary digits
- Binary search
- Binary strings
- Binomial transform
- Bioinformatics/Sequence mutation
- Bioinformatics/base count
- Biorhythms
- Birthday problem
- Bitcoin/address validation
- Bitcoin/public point to address
- Bitmap
- Bitmap/Bresenham's line algorithm
- Bitmap/Bézier curves/Cubic
- Bitmap/Bézier curves/Quadratic
- Bitmap/Flood fill
- Bitmap/Histogram
- Bitmap/Midpoint circle algorithm
- Bitmap/PPM conversion through a pipe
- Bitmap/Read a PPM file
- Bitmap/Read an image through a pipe
- Bitmap/Write a PPM file
- Bitwise IO
- Bitwise operations
- Blum integer
- Boids
- Boolean values
- Box the compass
- Brace expansion
- Brazilian numbers
- Brownian tree
- Bulls and cows
- Bulls and cows/Player
- Burrows–Wheeler transform
- Bézier curves/Intersections
C
- CORDIC
- CRC-32
- CSV data manipulation
- CSV to HTML translation
- CUSIP
- Caesar cipher
- Calculating the value of e
- Calendar
- Calendar - for "REAL" programmers
- Call a foreign-language function
- Call a function
- Call a function in a shared library
- Call an object method
- Calmo numbers
- CalmoSoft primes
- Canny edge detector
- Canonicalize CIDR
- Cantor set
- Card shuffles
- Carmichael 3 strong pseudoprimes
- Cartesian product of two or more lists
- Case-sensitivity of identifiers
- Casting out nines
- Catalan numbers
- Catalan numbers/Pascal's triangle
- Catamorphism
- Catmull–Clark subdivision surface
- Centroid of a set of N-dimensional points
- Change e letters to i in words
- Changeable words
- Chaocipher
- Chaos game
- Character codes
- Chat server
- Chebyshev coefficients
- Check if a polygon overlaps with a rectangle
- Check if two polygons overlap
- Check input device is a terminal
- Check output device is a terminal
- Check that file exists
- Checkpoint synchronization
- Chemical calculator
- Chernick's Carmichael numbers
- Cheryl's birthday
- Chinese remainder theorem
- Chinese zodiac
- Cholesky decomposition
- Chowla numbers
- Cipolla's algorithm
- Circles of given radius through two points
- Circular primes
- Cistercian numerals
- Clang
- Classes
- Closest-pair problem
- Closures/Value capture
- Code Golf: Code Golf
- Collections
- Color of a screen pixel
- Color quantization
- Colorful numbers
- Colour bars/Display
- Colour pinstripe/Display
- Combinations
- Combinations and permutations
- Combinations with repetitions
- Comma quibbling
- Command-line arguments
- Comments
- Common sorted list
- Compare a list of strings
- Compare length of two strings
- Compare sorting algorithms' performance
- Compile-time calculation
- Compiler/AST interpreter
- Compiler/Verifying syntax
- Compiler/code generator
- Compiler/lexical analyzer
- Compiler/syntax analyzer
- Compiler/virtual machine interpreter
- Composite numbers k with no single digit factors whose factors are all substrings of k
- Compound data type
- Concatenate two primes is also prime
- Concurrent computing
- Conditional structures
- Conjugate transpose
- Consecutive primes with ascending or descending differences
- Consistent overhead byte stuffing
- Constrained random points on a circle
- Continued fraction
- Continued fraction/Arithmetic/Construct from rational number
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n)
- Continued fraction/Arithmetic/G(matrix ng, continued fraction n1, continued fraction n2)
- Convert decimal number to rational
- Convert seconds to compound duration
- Convex hull
- Conway's Game of Life
- Coprime triplets
- Coprimes
- Copy a string
- Copy stdin to stdout
- Count how many vowels and consonants occur in a string
- Count in factors
- Count in octal
- Count occurrences of a substring
- Count the coins
- Cousin primes
- Cramer's rule
- Create a file
- Create a file on magnetic tape
- Create a two-dimensional array at runtime
- Create an HTML table
- Create an object at a given address
- Cuban primes
- Cubic special primes
- Cumulative standard deviation
- Currency
- Currying
- Curzon numbers
- Cut a rectangle
- Cycle detection
D
- DNS query
- Damm algorithm
- Data Encryption Standard
- Date format
- Date manipulation
- Day of the week
- Day of the week of Christmas and New Year
- Days between dates
- De Polignac numbers
- Deal cards for FreeCell
- Death Star
- Deceptive numbers
- Decision tables
- Deconvolution/1D
- Deconvolution/2D+
- Decorate-sort-undecorate idiom
- Deepcopy
- Delegates
- Delete a file
- Department numbers
- Descending primes
- Detect division by zero
- Determinant and permanent
- Determine if a string has all the same characters
- Determine if a string has all unique characters
- Determine if a string is collapsible
- Determine if a string is numeric
- Determine if a string is squeezable
- Determine if only one instance is running
- Determine if two triangles overlap
- Dice game probabilities
- Digit fifth powers
- Digital root
- Digital root/Multiplicative digital root
- Dijkstra's algorithm
- Dinesman's multiple-dwelling problem
- Dining philosophers
- Diophantine linear system solving
- Disarium numbers
- Discordian date
- Display a linear combination
- Distinct power numbers
- Distributed programming
- Diversity prediction theorem
- Documentation
- Doomsday rule
- Dot product
- Double Twin Primes
- Doubly-linked list/Definition
- Doubly-linked list/Element definition
- Doubly-linked list/Element insertion
- Doubly-linked list/Traversal
- Dragon curve
- Draw a clock
- Draw a cuboid
- Draw a pixel
- Draw a rotating cube
- Draw a sphere
- Draw pixel 2
- Dutch national flag problem
E
- EKG sequence convergence
- Eban numbers
- Echo server
- Egyptian division
- Element-wise operations
- Elementary cellular automaton
- Elementary cellular automaton/Random number generator
- Elliptic Curve Digital Signature Algorithm
- Elliptic curve arithmetic
- Emirp primes
- Empty directory
- Empty program
- Empty string
- Enforced immutability
- Entropy
- Entropy/Narcissist
- Enumerations
- Environment variables
- Equilibrium index
- Erdős-Nicolas numbers
- Erdős-primes
- Esthetic numbers
- Ethiopian multiplication
- Euler method
- Euler's constant 0.5772...
- Euler's identity
- Euler's sum of powers conjecture
- Evaluate binomial coefficients
- Even or odd
- Events
- Evolutionary algorithm
- Exactly three adjacent 3 in lists
- Exceptions
- Exceptions/Catch an exception thrown in a nested call
- Executable library
- Execute Brain****
- Execute HQ9+
- Execute SNUSP
- Execute a Markov algorithm
- Execute a system command
- Exponentiation operator
- Exponentiation order
- Extend your language
- Extensible prime generator
- Extra primes
- Extract file extension
- Extreme floating point values
- Extreme primes
F
- FASTA format
- FTP
- Factorial
- Factorions
- Factors of a Mersenne number
- Factors of an integer
- Fairshare between two and more
- Farey sequence
- Fast Fourier transform
- Faulhaber's formula
- Faulhaber's triangle
- Feigenbaum constant calculation
- Fermat numbers
- Fibonacci n-step number sequences
- Fibonacci sequence
- Fibonacci word
- Fibonacci word/fractal
- File extension is in extensions list
- File input/output
- File modification time
- File size
- File size distribution
- Filter
- Find adjacent primes which differ by a square integer
- Find common directory path
- Find first and last set bit of a long integer
- Find if a point is within a triangle
- Find largest left truncatable prime in a given base
- Find limit of recursion
- Find minimum number of coins that make a given value
- Find palindromic numbers in both binary and ternary bases
- Find prime n such that reversed n is also prime
- Find prime numbers of the form n*n*n+2
- Find square difference
- Find squares n where n+1 is prime
- Find the intersection of a line with a plane
- Find the intersection of two lines
- Find the last Sunday of each month
- Find the missing permutation
- Find words which contains all the vowels
- Find words which contains more than 3 e vowels
- Find words whose first and last three letters are equal
- Find words with alternating vowels and consonants
- Finite state machine
- First 9 prime Fibonacci number
- First class environments
- First perfect square in base n with n unique digits
- First power of 2 that has leading decimal digits of 12
- First-class functions
- Five weekends
- Fivenum
- FizzBuzz
- Flatten a list
- Flipping bits game
- Flow-control structures
- Floyd's triangle
- Floyd-Warshall algorithm
- Forbidden numbers
- Forest fire
- Fork
- Formal power series
- Formatted numeric output
- Fortunate numbers
- Forward difference
- Four bit adder
- Four is magic
- Four is the number of letters in the ...
- Four sides of square
- Fractal tree
- Fraction reduction
- Fractran
- Frobenius numbers
- Function composition
- Function definition
- Function frequency
- Function prototype
- Fusc sequence
G
- GUI component interaction
- GUI enabling/disabling of controls
- GUI/Maximum window dimensions
- Galton box animation
- Gamma function
- Gapful numbers
- Gauss-Jordan matrix inversion
- Gaussian elimination
- Gcc
- General FizzBuzz
- Generate Chess960 starting position
- Generate lower case ASCII alphabet
- Generate random chess position
- Generator/Exponential
- Generic swap
- Get system command output
- Getting the number of decimal places
- Globally replace text in several files
- Go Fish
- Golden ratio/Convergence
- Gotchas
- Gray code
- Grayscale image
- Greatest common divisor
- Greatest element of a list
- Greatest subsequential sum
- Greedy algorithm for Egyptian fractions
- Greyscale bars/Display
- Guess the number
- Guess the number/With feedback
- Guess the number/With feedback (player)
H
- HTTP
- HTTPS
- HTTPS/Authenticated
- Hailstone sequence
- Halt and catch fire
- Hamming numbers
- Handle a signal
- Happy numbers
- Harshad or Niven series
- Hash from two arrays
- Haversine formula
- Hello world/Graphical
- Hello world/Line printer
- Hello world/Newbie
- Hello world/Newline omission
- Hello world/Standard error
- Hello world/Text
- Hello world/Web server
- Heronian triangles
- Hex dump
- Hickerson series of almost integers
- Higher-order functions
- Hilbert curve
- Hofstadter Figure-Figure sequences
- Hofstadter Q sequence
- Hofstadter-Conway $10,000 sequence
- Holidays related to Easter
- Honaker primes
- Honeycombs
- Horizontal sundial calculations
- Horner's rule for polynomial evaluation
- Host introspection
- Hostname
- Hough transform
- Huffman coding
- Humble numbers
- Hunt the Wumpus
I
- I before E except after C
- IBAN
- IPC via named pipe
- ISBN13 check digit
- Iccanobif primes
- Identity matrix
- Idiomatically determine all the lowercase and uppercase letters
- Idoneal numbers
- Image convolution
- Image noise
- Imaginary base numbers
- Implicit type conversion
- Include a file
- Increasing gaps between consecutive Niven numbers
- Increment a numerical string
- Infinity
- Inheritance/Multiple
- Inheritance/Single
- Input loop
- Input/Output for lines of text
- Input/Output for pairs of numbers
- Integer comparison
- Integer overflow
- Integer roots
- Integer sequence
- Intel C++ Compiler
- Intersecting number wheels
- Introspection
- Inverted index
- Inverted syntax
- Isqrt (integer square root) of X
- Iterated digits squaring
J
- JSON
- Jacobi symbol
- Jacobsthal numbers
- Jaro similarity
- Jensen's Device
- Jewels and stones
- Jordan-Pólya numbers
- JortSort
- Josephus problem
- Joystick position
- Julia set
- Jump anywhere
- Just in time processing on a character stream
K
- K-d tree
- K-means++ clustering
- Kahan summation
- Kaprekar numbers
- Kernighans large earthquake problem
- Keyboard input/Flush the keyboard buffer
- Keyboard input/Keypress check
- Keyboard input/Obtain a Y or N response
- Keyboard macros
- Klarner-Rado sequence
- Knapsack problem/0-1
- Knapsack problem/Bounded
- Knapsack problem/Continuous
- Knapsack problem/Unbounded
- Knight's tour
- Knuth shuffle
- Knuth's algorithm S
- Koch curve
- Kolakoski sequence
- Kronecker product
- Kronecker product based fractals
L
- LU decomposition
- LZW compression
- Lah numbers
- Langton's ant
- Largest difference between adjacent primes
- Largest five adjacent number
- Largest int from concatenated ints
- Largest number divisible by its digits
- Largest prime factor
- Largest proper divisor of n
- Last Friday of each month
- Last letter-first letter
- Last list item
- Law of cosines - triples
- Leap year
- Least common multiple
- Least m such that n! + m is prime
- Left factorials
- Legendre prime counting function
- Length of an arc between two angles
- Leonardo numbers
- Letter frequency
- Levenshtein distance
- Levenshtein distance/Alignment
- Line circle intersection
- Linear congruential generator
- Linux CPU utilization
- List comprehensions
- List rooted trees
- Literals/Floating point
- Literals/Integer
- Literals/String
- Logical operations
- Logistic curve fitting in epidemiology
- Long multiplication
- Long primes
- Long stairs
- Long year
- Longest common prefix
- Longest common subsequence
- Longest common substring
- Longest common suffix
- Longest increasing subsequence
- Longest string challenge
- Longest substrings without repeating characters
- Look-and-say sequence
- Loop over multiple arrays simultaneously
- Loops/Break
- Loops/Continue
- Loops/Do-while
- Loops/Downward for
- Loops/For
- Loops/For with a specified step
- Loops/Foreach
- Loops/Increment loop index within loop body
- Loops/Infinite
- Loops/N plus one half
- Loops/Nested
- Loops/While
- Loops/With multiple ranges
- Loops/Wrong ranges
- Lucas-Lehmer test
- Lucky and even lucky numbers
- Ludic numbers
- Luhn test of credit card numbers
M
- MAC vendor lookup
- MD4
- MD5
- MD5/Implementation
- Machine code
- Mad Libs
- Magic 8-ball
- Magic squares of doubly even order
- Magic squares of odd order
- Magic squares of singly even order
- Magnanimous numbers
- Main step of GOST 28147-89
- Make directory path
- Man or boy test
- Mandelbrot set
- Map range
- Matrix chain multiplication
- Matrix digital rain
- Matrix multiplication
- Matrix transposition
- Matrix with two diagonals
- Matrix-exponentiation operator
- Maximum difference between adjacent elements of list
- Maximum triangle path sum
- Mayan numerals
- Maze generation
- Maze solving
- McNuggets problem
- Median filter
- Memory allocation
- Memory layout of a data structure
- Menu
- Mersenne primes
- Mertens function
- Metaprogramming
- Metered concurrency
- Metronome
- Mian-Chowla sequence
- Middle three digits
- Miller–Rabin primality test
- MinGW
- Mind boggling card trick
- Minesweeper game
- Minimum multiple of m where digital sum equals m
- Minimum number of cells after, before, above and below NxN squares
- Minimum numbers of three lists
- Minimum positive multiple in base 10 using only 0 and 1
- Minimum primes
- Modular arithmetic
- Modular exponentiation
- Modular inverse
- Modulinos
- Monads/List monad
- Monads/Maybe monad
- Monte Carlo methods
- Montgomery reduction
- Monty Hall problem
- Morpion solitaire
- Morse code
- Mosaic matrix
- Motzkin numbers
- Mouse position
- Move-to-front algorithm
- Multi-dimensional array
- Multifactorial
- Multiline shebang
- Multiple distinct objects
- Multiple regression
- Multiplication tables
- Multiplicative order
- Multiplicatively perfect numbers
- Multisplit
- Munchausen numbers
- Munching squares
- Musical scale
- Mutex
- Mutual recursion
- Möbius function
N
- N'th
- N-body problem
- N-grams
- N-queens problem
- N-smooth numbers
- Named parameters
- Naming conventions
- Narcissist
- Narcissistic decimal number
- Native shebang
- Natural sorting
- Nautical bell
- Negative base numbers
- Nested function
- Next highest int from digits
- Next special primes
- Nice primes
- Nim game
- Nimber arithmetic
- Non-continuous subsequences
- Non-decimal radices/Convert
- Non-decimal radices/Input
- Non-decimal radices/Output
- Nonoblock
- Nth root
- Null object
- Number names
- Number reversal game
- Numbers divisible by their individual digits, but not by the product of their digits.
- Numbers in base 10 that are palindromic in bases 2, 4, and 16
- Numbers in base-16 representation that cannot be written with decimal digits
- Numbers which are the cube roots of the product of their proper divisors
- Numbers whose binary and ternary digit sums are prime
- Numbers with equal rises and falls
- Numbers with prime digits whose sum is 13
- Numbers with same digit set in base 10 and base 16
- Numeric error propagation
- Numeric separator syntax
- Numerical integration
- Numerical integration/Adaptive Simpson's method
- Numerical integration/Gauss-Legendre Quadrature
O
- O'Halloran numbers
- Odd and square numbers
- Odd word problem
- Old Russian measure of length
- Old lady swallowed a fly
- One of n lines in a file
- One-dimensional cellular automata
- One-two primes
- OpenGL
- OpenGL pixel shader
- OpenGL/Utah teapot
- Operator precedence
- Optional parameters
- Orbital elements
- Order by pair comparisons
- Order two numerical lists
- Ordered partitions
- Ordered words
- Ormiston pairs
- Ormiston triples
- Own digits power sum
P
- P-value correction
- Padovan n-step number sequences
- Padovan sequence
- Pairs with common factors
- Palindrome dates
- Palindrome detection
- Palindromic gapful numbers
- Pan base non-primes
- Pancake numbers
- Pangram checker
- Paraffins
- Parallel brute force
- Parallel calculations
- Parameterized SQL statement
- Parametric polymorphism
- Parse an IP Address
- Parse command-line arguments
- Parsing/RPN calculator algorithm
- Parsing/RPN to infix conversion
- Parsing/Shunting-yard algorithm
- Partial function application
- Partition an integer x into n primes
- Partition function P
- Pascal matrix generation
- Pascal's triangle
- Pascal's triangle/Puzzle
- Password generator
- Pathological floating point problems
- Peaceful chess queen armies
- Peano curve
- Pell's equation
- Penney's game
- Penta-power prime seeds
- Pentagram
- Percentage difference between images
- Percolation/Bond percolation
- Percolation/Mean cluster density
- Percolation/Mean run density
- Percolation/Site percolation
- Perfect numbers
- Perfect shuffle
- Perfect totient numbers
- Periodic table
- Perlin noise
- Permutation test
- Permutations
- Permutations by swapping
- Permutations with repetitions
- Permutations/Derangements
- Permutations/Rank of a permutation
- Permuted multiples
- Pernicious numbers
- Phrase reversals
- Pi
- Pick random element
- Pierpont primes
- Pig the dice game
- Pinstripe/Display
- Piprimes
- Plasma effect
- Play recorded sounds
- Playing cards
- Plot coordinate pairs
- Pointers and references
- Poker hand analyser
- Polymorphic copy
- Polymorphism
- Polynomial long division
- Polynomial regression
- Polyspiral
- Population count
- Power set
- Pragmatic directives
- Price fraction
- Primality by Wilson's theorem
- Primality by trial division
- Prime conspiracy
- Prime decomposition
- Prime numbers whose neighboring pairs are tetraprimes
- Prime reciprocal sum
- Prime triangle
- Primes - allocate descendants to their ancestors
- Primes whose first and last number is 3
- Primes whose sum of digits is 25
- Primorial numbers
- Print debugging statement
- Priority queue
- Probabilistic choice
- Problem of Apollonius
- Product of divisors
- Product of min and max prime factors
- Program name
- Program termination
- Proper divisors
- Pseudo-random numbers/Combined recursive generator MRG32k3a
- Pseudo-random numbers/Middle-square method
- Pseudo-random numbers/PCG32
- Pseudo-random numbers/Splitmix64
- Pseudo-random numbers/Xorshift star
- Pythagoras tree
- Pythagorean quadruples
- Pythagorean triples
Q
- QR decomposition
- Quad-power prime seeds
- Quaternion type
- Queue/Definition
- Queue/Usage
- Quickselect algorithm
- Quine
R
- RCRPG
- RIPEMD-160
- RPG attributes generator
- RSA code
- Radical of an integer
- Rainbow
- Ramer-Douglas-Peucker line simplification
- Ramsey's theorem
- Random Latin squares
- Random number generator (device)
- Random number generator (included)
- Random numbers
- Range consolidation
- Range expansion
- Range extraction
- Ranking methods
- Rate counter
- Ray-casting algorithm
- Read a configuration file
- Read a file character by character/UTF8
- Read a file line by line
- Read a specific line from a file
- Read entire file
- Readline interface
- Real constants and functions
- Recaman's sequence
- Record sound
- Reduced row echelon form
- Regular expressions
- Remote agent/Agent interface
- Remote agent/Agent logic
- Remote agent/Simulation
- Remove duplicate elements
- Remove lines from a file
- Remove vowels from a string
- Rename a file
- Rendezvous
- Rep-string
- Repeat
- Repeat a string
- Resistor mesh
- Retrieve and search chat history
- Return multiple values
- Reverse a string
- Reverse words in a string
- Rock-paper-scissors
- Rodrigues’ rotation formula
- Roman numerals/Decode
- Roman numerals/Encode
- Roots of a function
- Roots of a quadratic function
- Roots of unity
- Rosetta Code/Rank languages by popularity
- Rot-13
- Rule30
- Run as a daemon or service
- Run-length encoding
- Runge-Kutta method
S
- S-expressions
- SEDOLs
- SEND + MORE = MONEY
- SHA-1
- SHA-256
- SHA-256 Merkle tree
- SOAP
- SQL-based authentication
- Safe addition
- Safe and Sophie Germain primes
- Safe primes and unsafe primes
- Sailors, coconuts and a monkey problem
- Same fringe
- Sattolo cycle
- Scope modifiers
- Scope/Function names and labels
- Sealed classes and methods
- Search a list
- Search a list of records
- Search in paragraph's text
- Secure temporary file
- Selectively replace multiple instances of a character within a string
- Self numbers
- Self-describing numbers
- Semaphore
- Semiprime
- Semordnilap
- Send email
- Sequence of non-squares
- Sequence of primes by trial division
- Sequence of primorial primes
- Sequence: nth number with exactly n divisors
- Sequence: smallest number greater than previous term with exactly n divisors
- Sequence: smallest number with exactly n divisors
- Set
- Set consolidation
- Set of real numbers
- Set puzzle
- Seven-sided dice from five-sided dice
- Sexy primes
- Shell one-liner
- Shift list elements to left by 3
- Shoelace formula for polygonal area
- Short-circuit evaluation
- Shortest common supersequence
- Show ASCII table
- Show the (decimal) value of a number of 1s appended with a 3, then squared
- Show the epoch
- Sierpinski arrowhead curve
- Sierpinski carpet
- Sierpinski pentagon
- Sierpinski triangle
- Sierpinski triangle/Graphical
- Sieve of Eratosthenes
- Simple database
- Simple windowed application
- Simulate input/Keyboard
- Simulate input/Mouse
- Simulated annealing
- Sine wave
- Singleton
- Singly-linked list/Element definition
- Singly-linked list/Element insertion
- Singly-linked list/Element removal
- Singly-linked list/Reversal
- Singly-linked list/Traversal
- Singular value decomposition
- Sleep
- Smallest power of 6 whose decimal expansion contains n
- Smallest square that begins with n
- Smarandache prime-digital sequence
- Smarandache-Wellin primes
- Smith numbers
- Snake
- Snake and ladder
- Sockets
- Sokoban
- Soloway's recurring rainfall
- Solve a Hidato puzzle
- Solve the no connection puzzle
- Sort a list of object identifiers
- Sort an array of composite structures
- Sort an integer array
- Sort disjoint sublist
- Sort numbers lexicographically
- Sort stability
- Sort the letters of string in alphabetical order
- Sort three variables
- Sort using a custom comparator
- Sorting Algorithms/Circle Sort
- Sorting algorithms/Bead sort
- Sorting algorithms/Bogosort
- Sorting algorithms/Bubble sort
- Sorting algorithms/Cocktail sort
- Sorting algorithms/Cocktail sort with shifting bounds
- Sorting algorithms/Comb sort
- Sorting algorithms/Counting sort
- Sorting algorithms/Cycle sort
- Sorting algorithms/Gnome sort
- Sorting algorithms/Heapsort
- Sorting algorithms/Insertion sort
- Sorting algorithms/Merge sort
- Sorting algorithms/Pancake sort
- Sorting algorithms/Patience sort
- Sorting algorithms/Permutation sort
- Sorting algorithms/Quicksort
- Sorting algorithms/Radix sort
- Sorting algorithms/Selection sort
- Sorting algorithms/Shell sort
- Sorting algorithms/Sleep sort
- Sorting algorithms/Stooge sort
- Sorting algorithms/Strand sort
- Sorting algorithms/Tree sort on a linked list
- Soundex
- Sparkline in unicode
- Special characters
- Special divisors
- Special factorials
- Special neighbor primes
- Special variables
- Speech synthesis
- Spelling of ordinal numbers
- Sphenic numbers
- Spinning rod animation/Text
- Spiral matrix
- Split a character string based on change of character
- Spoof game
- Square but not cube
- Square form factorization
- Square-free integers
- Stable marriage problem
- Stack
- Stack traces
- Stair-climbing puzzle
- Start from a main routine
- State name puzzle
- Statistics/Basic
- Statistics/Normal distribution
- Steady squares
- Steffensen's method
- Stem-and-leaf plot
- Stern-Brocot sequence
- Stirling numbers of the first kind
- Stirling numbers of the second kind
- Straddling checkerboard
- Strange numbers
- Strange plus numbers
- Strange unique prime triplets
- Stream merge
- String append
- String case
- String comparison
- String concatenation
- String interpolation (included)
- String length
- String matching
- String prepend
- Strip a set of characters from a string
- Strip block comments
- Strip comments from a string
- Strip control codes and extended characters from a string
- Strip whitespace from a string/Top and tail
- Strong and weak primes
- Subleq
- Subset sum problem
- Substitution cipher
- Substring
- Substring/Top and tail
- Subtractive generator
- Successive prime differences
- Sudan function
- Sudoku
- Sum and product of an array
- Sum and product puzzle
- Sum data type
- Sum digits of an integer
- Sum multiples of 3 and 5
- Sum of a series
- Sum of divisors
- Sum of elements below main diagonal of matrix
- Sum of first n cubes
- Sum of primes in odd positions is prime
- Sum of square and cube digits of an integer are primes
- Sum of squares
- Sum of the digits of n is substring of n
- Sum of two adjacent numbers are primes
- Sum to 100
- Summarize and say sequence
- Summarize primes
- Summation of primes
- Sunflower fractal
- Super-d numbers
- Superellipse
- Superpermutation minimisation
- Sutherland-Hodgman polygon clipping
- Symmetric difference
- Synchronous concurrency
- System time
T
- TCC
- Table creation
- Table creation/Postal addresses
- Take notes on the command line
- Tarjan
- Tau function
- Tau number
- Taxicab numbers
- Teacup rim text
- Temperature conversion
- Terminal control/Clear the screen
- Terminal control/Coloured text
- Terminal control/Cursor movement
- Terminal control/Cursor positioning
- Terminal control/Dimensions
- Terminal control/Display an extended character
- Terminal control/Hiding the cursor
- Terminal control/Inverse video
- Terminal control/Positional read
- Terminal control/Preserve screen
- Terminal control/Ringing the terminal bell
- Terminal control/Unicode output
- Ternary logic
- Test a function
- Test integerness
- Tetris
- Text between
- Text processing/1
- Text processing/2
- Text processing/Max licenses in use
- Textonyms
- The ISAAC cipher
- The Name Game
- The Twelve Days of Christmas
- The sieve of Sundaram
- Thiele's interpolation formula
- Three word location
- Thue-Morse
- Tic-tac-toe
- Time a function
- Tokenize a string
- Tokenize a string with escaping
- Tonelli-Shanks algorithm
- Top rank per group
- Topological sort
- Topological sort/Extracted top item
- Topswops
- Total circles area
- Totient function
- Towers of Hanoi
- Trabb Pardo–Knuth algorithm
- Tree traversal
- Trigonometric functions
- Triplet of three numbers
- Truncatable primes
- Truncate a file
- Truth table
- Twin primes
- Two bullet roulette
- Two identical strings
- Two sum
- Two's complement
- Type detection
U
- UPC
- URL decoding
- URL encoding
- UTF-8 encode and decode
- Ulam numbers
- Ulam spiral (for primes)
- Ultra useful primes
- Unbias a random generator
- Undefined values
- Unicode strings
- Unicode variable names
- Unique characters
- Universal Lambda Machine
- Universal Turing machine
- Unix/ls
- Unprimeable numbers
- Untouchable numbers
- Untrusted environment
- Update a configuration file
- Use another language to call a function
- Useless instructions
- User input/Graphical
- User input/Text
- User:ADub
- User:Aamrun
- User:Abeaumont
- User:Abhay1303
- User:Aboyers
- User:Absayuti
- User:Abu
- User:Adam majewski
- User:Adg
- User:Adsouza
- User:Aerobar
- User:Ahabeger
- User:Aidalgol
- User:Aks
- User:Alansam
- User:Alcoholicspinesurgeon
- User:AlexLehm
- User:AlexYanai
- User:Alkresin
- User:Aloisdg
- User:Alt
- User:AlyShmahell
- User:Amakukha
- User:Andrew Clarke
- User:André van Delft
- User:AnyMagicalChickenWillDo
- User:Arjun sunel
- User:Arm
- User:Arto Bendiken
- User:Aschloegl
- User:Atavener
- User:Axtens
- User:BR
- User:Baavgai
- User:Balrog
- User:Barrym95838
- User:Bart
- User:Bastet
- User:Bastiaan.boertien
- User:Bathala
- User:Bbsingapore
- User:BenBE
- User:Bendingoutward
- User:Benhayden
- User:Benno
- User:Bernie
- User:Bertrand lupart
- User:Bjb322
- User:Blonkm
- User:Blue Prawn
- User:Bluevd
- User:Bob-ca
- User:Bobberto1995
- User:Bobbydurrett
- User:Briantrice
- User:Brnikat
- User:Btiffin
- User:Bukzor
- User:CBL
- User:CMM87
- User:CRGreathouse
- User:Caffeine.storm
- User:Calebegg
- User:Cantanima
- User:CapitalEx
- User:Cardinal4
- User:Carnivorecaveman
- User:Cathylopez022
- User:Cbrt74088
- User:Cferri
- User:Cg
- User:Cgibbons
- User:Chastp
- User:Chkas
- User:Chrboesch
- User:ChrisWilson
- User:ChristerNilsson
- User:Christian
- User:ChristianBryant
- User:Cmpitg
- User:Codefriar
- User:Coderjoe
- User:Connex
- User:Craigd
- User:Craigjbass
- User:Crcx
- User:Cubbi
- User:DRAM
- User:Da-poodle
- User:DafyddCrosby
- User:Dagilpe
- User:Danaj
- User:Daonlyfreez
- User:Davewhipp
- User:DavidCary
- User:Dbenham
- User:Dchapes
- User:Dcsobral
- User:Dd1968
- User:DeedleFake
- User:Demivec
- User:DemonEmporer
- User:Denis
- User:Denisb
- User:Denzuko
- User:Depperm
- User:DevonMcC
- User:Dgamey
- User:Dinosaur
- User:Dirk
- User:Dkf
- User:DonCaps
- User:DrGuildo
- User:Dsnouck
- User:Dufferprog
- User:Dyno
- User:Dzaragoza
- User:EdK
- User:EddyMcDaid
- User:Edmund
- User:Eduardo
- User:Edward H
- User:Effigies
- User:Egi
- User:Egnekok
- User:Elad yosifon
- User:Electricity
- User:Emi
- User:Eoraptor
- User:Epiphanie
- User:Eriksiers
- User:Erkin
- User:Etherous
- User:Ezephyr
- User:FROGGS
- User:Facorread
- User:Fenhl
- User:Fexl
- User:Fhs
- User:FishOfPrey
- User:Fjfabien
- User:Foobie-bletch
- User:Fortknox
- User:Franklin Yu
- User:G.Brougnard
- User:Galen Ivanov
- User:Gamix255
- User:Gavinhoward
- User:Gcanyon
- User:Gdm9000
- User:Georg Peter
- User:George McGinn
- User:Gerard Schildberger
- User:GlitchMr
- User:Gloegg
- User:Goheeca
- User:Gorgonite
- User:Gravatite
- User:Gvx
- User:Gw
- User:H2CO3
- User:Hakank
- User:Harman28
- User:Haxifix
- User:Heathcorp
- User:Heiner
- User:Hellomike
- User:Hholst80
- User:Hibou57
- User:Hobblin
- User:Hofftodd
- User:Holroy
- User:Htfy96
- User:Huisho
- User:Hypftier
- User:IanOsgood
- User:Iconmaster
- User:Idrougge
- User:Insolor
- User:Iswm
- User:JDDev0
- User:Janhartstra
- User:JasonFruit
- User:Javad
- User:Jbirddog
- User:Jdmack
- User:Jdriselvato
- User:Jeff Dickey
- User:Jejones3141
- User:Jeremy Love
- User:Jezlove
- User:Jgfoot
- User:Jgrprior
- User:Jkominek
- User:Joconno2
- User:JoeStrout
- User:Joedf
- User:Jofur
- User:Jolkdarr
- User:Jonathanccast
- User:Jorbian
- User:Joshua.Snider
- User:Jquorning
- User:Jramos
- User:Jscolton
- User:Jwbnov28
- User:Kainaw
- User:Kartik Agaram
- User:Katsumi
- User:Kazinator
- User:Kburtch
- User:Kchrister
- User:Keithstellyes
- User:KenS
- User:Kenm
- User:Kernigh
- User:Kevin Reid
- User:Klavs.pr
- User:Kokenge
- User:Kon
- User:Koshinae
- User:Krull
- User:Lambertdw
- User:Langinagel
- User:Laurence
- User:Laurent r
- User:Ledrug
- User:Legrady
- User:Lerno
- User:Leushenko
- User:Levi
- User:Lhignight
- User:Lipidity
- User:Local2
- User:Lucky42
- User:Luolong
- User:Macawm
- User:MagiMaster
- User:Magnus
- User:MaiconSoft
- User:Marekjm
- User:Marius
- User:Markhobley
- User:Markjreed
- User:Martin
- User:MartinBRosenberg
- User:Martinfreedman
- User:Martinmspedersen
- User:MasterFocus
- User:MattOates
- User:Mbishop
- User:Mcluskie
- User:Mediaptera
- User:Mercurio
- User:Merehap
- User:Micahwelf
- User:MichaeLeroy
- User:MichaelChrisco
- User:Mielikki
- User:MigoMipo
- User:MikeDX
- User:MikeLorenz
- User:MikeMol
- User:Miner
- User:MizardX
- User:Mlochbaum
- User:Mmphosis
- User:Mononcqc
- User:Morn
- User:Mr2001
- User:Mrlemke
- User:Mroman
- User:Mti
- User:Muspellsson
- User:Mwn3d
- User:Mystic
- User:N1vux
- User:Nalacetus
- User:Nard
- User:Neilrobinson
- User:NevilleDNZ
- User:Newbie33
- User:Nivak
- User:Nmh
- User:Nonoreve
- User:Noolarch
- User:Nuclearace
- User:Oenone
- User:OllyXLS
- User:Op47
- User:PKai
- User:PMunch
- User:POP
- User:Pacheco
- User:Paddy3118
- User:Palaiologos
- User:PatGarrett
- User:Patrick
- User:Patthoyts
- User:Paul
- User:PaulMcClernan
- User:Paulapatience
- User:PauliKL
- User:Pauloscustodio
- User:Pcon
- User:Ped7g
- User:Pelci
- User:Perlpilot
- User:Pete
- User:Petelomax
- User:Peter
- User:Petewg
- User:Phobie
- User:Phoo
- User:Phunanon
- User:Pjotawake
- User:Pjt33
- User:Pnr
- User:Poetaster
- User:Pointybird
- User:Polarit
- User:Prisni
- User:Promovicz
- User:Pshegger
- User:Ptho
- User:Ptomaine
- User:Pup socket
- User:PureFox
- User:Pwmiller74
- User:Pyon
- User:QB99er Andy
- User:QRN
- User:Qrush
- User:Quarks
- User:Querfeld
- User:Rahul
- User:Rainglasz
- User:Random Energy
- User:Ranman
- User:Razetime
- User:Rde42
- User:Rdm
- User:Realazthat
- User:Relet
- User:Richie Cotton
- User:Rion96
- User:Rjf89
- User:Rldrenth
- User:Rms s4
- User:Rob.s.brit
- User:Robin48gx
- User:Roboticist-Tav
- User:Roger Hui
- User:Ronw
- User:Root
- User:Rosuav
- User:Rowsety Moid
- User:Rrt
- User:Rusini
- User:Russell
- User:Ruud Koot
- User:Rvjansen
- User:SJW
- User:Saccade
- User:SamuraiCrow
- User:Sandrobilbeisi
- User:SapanPatel
- User:Science man 88
- User:Scniton
- User:Scooby
- User:Seanh
- User:Seaniepie
- User:Seanner
- User:Sergworks
- User:Seronis
- User:Sgeier
- User:ShaneHudson
- User:Sharkshead
- User:ShinTakezou
- User:ShinigamiCooper
- User:Shortstack-dev
- User:Simonjsaunders
- User:Simple9371
- User:Singheyjude
- User:Sir Dirt
- User:Sjm
- User:Skim
- User:Slackbob
- User:Sluggo
- User:Sly
- User:Smosher
- User:Snoman
- User:Snugsfbay
- User:Softmoth
- User:Sonia
- User:Sothach
- User:Soxfox42
- User:Sparre
- User:Spekkio
- User:Spintronic
- User:Spoon
- User:Spoon!
- User:Sprinklerkopf
- User:Srborlongan
- User:Star651
- User:Starbuck5250
- User:Stealthness
- User:StefanP
- User:SteveWampler
- User:Stomcavage
- User:Stormneedle
- User:Stuart Bruff
- User:SubOptimal
- User:Suchenwi
- User:T.J.S.1
- User:Tamarit
- User:TartanLlama
- User:Taskboy3000
- User:Tautology
- User:ThAlEdison
- User:ThePythonicCow
- User:Thebigh
- User:Thedarkfreak
- User:Thomas mertes
- User:Thornjad
- User:Tim-brown
- User:Tinku99
- User:Tmr
- User:Toastmaker
- User:Tobega
- User:TobyK
- User:Tommy
- User:Torbjoern
- User:Treefall
- User:Trizen
- User:Ttmrichter
- User:Turtlezero
- User:Tvcutsem
- User:Twodicejackson
- User:Twopoint718
- User:Tyrok1
- User:Underscore
- User:Vanyamil
- User:Violazoli
- User:Vivekadi
- User:Vladon
- User:Vmathew
- User:Vulpes Lagopus
- User:Waelder
- User:Waf
- User:Waldorf
- User:Wasamasa
- User:Whinson
- User:Whitim
- User:Wodan58
- User:Wolve
- User:Xdv
- User:Xenoker
- User:Xorc1zt
- User:Xorph
- User:Ygramul
- User:Zarglu
- User:ZeWebDev
- User:Zed
- User:Zeotrope
- User:Zmi007
- User:Λήθη
V
- VList
- Validate International Securities Identification Number
- Vampire number
- Van Eck sequence
- Van der Corput sequence
- Variable declaration reset
- Variable size/Get
- Variable size/Set
- Variable-length quantity
- Variables
- Variadic function
- Vector
- Vector products
- Verhoeff algorithm
- Verify distribution uniformity/Chi-squared test
- Verify distribution uniformity/Naive
- Vibrating rectangles
- Vigenère cipher
- Vigenère cipher/Cryptanalysis
- Visualize a tree
- Vogel's approximation method
- Voronoi diagram
W
- Wagstaff primes
- Walk a directory/Non-recursively
- Walk a directory/Recursively
- Water collected between towers
- Wave function collapse
- Web scraping
- Weird numbers
- Welch's t-test
- Wieferich primes
- WiktionaryDumps to words
- Wilson primes of order n
- Window creation
- Window creation/X11
- Window management
- Wireworld
- Wolstenholme numbers
- Word frequency
- Word wheel
- Word wrap
- Wordle comparison
- Words containing "the" substring
- Words from neighbour ones
- World Cup group stage
- Write entire file
- Write float arrays to a text file
- Write language name in 3D ASCII
- Write to Windows event log
X
- XML validation
- XML/DOM serialization
- XML/Input
- XML/Output
- XML/XPath
- XXXX redacted
- Xiaolin Wu's line algorithm
Y
Z
- Zebra puzzle
- Zeckendorf arithmetic
- Zeckendorf number representation
- Zero to the zero power
- Zhang-Suen thinning algorithm
- Zig-zag matrix
End of List
Again, feel free to try your hand at any of the tasks listed on this page.