Tasks

• Totient function
• Pascal's triangle
• Bulls and cows
• Hofstadter Q sequence
• Execute HQ9+
• Phrase reversals
• Polymorphic copy
• Infinity
• Remove duplicate elements
• Subleq
• Church Numerals
• Attractive numbers
• Pythagorean quadruples
• De Bruijn sequences
• N-queens problem
• Finite state machine
• Tree datastructures
• Numerical integration/Gauss-Legendre Quadrature
• Numeric error propagation
• Maze generation
• Guess the number/With feedback
• Leonardo numbers
• Farey sequence
• Text between
• Guess the number
• Square but not cube
• First perfect square in base N with N unique digits
• Thiele's interpolation formula
• Sieve of Eratosthenes
• Monads/Maybe monad
• Mian-Chowla sequence
• Recaman's sequence
• Break OO privacy
• Multiplication tables
• Show Ascii table
• Deconvolution/1D
• Continued fraction
• Self-referential sequence
• Create a file on magnetic tape
• Cuban primes
• Test a function
• Display an outline as a nested table
• Rosetta Code/Rank languages by popularity
• Pythagorean triples
• Square-free integers
• URL parser
• Matrix Digital Rain
• Rare numbers
• Terminal control/Clear the screen
• Loops/Do-while
• Binary digits
• Number names
• Prime conspiracy
• Orbital elements
• Nonogram solver
• Tree traversal
• Lucas-Lehmer test
• Find limit of recursion
• Sorting algorithms/Bubble sort
• Set puzzle
• Abbreviations, simple
• Continued fraction/Arithmetic/Construct from rational number
• Sorting algorithms/Selection sort
• Factorial
• Sorting algorithms/Permutation sort
• Sorting algorithms/Bogosort
• Knuth shuffle
• Hostname
• Sequence of primes by trial division
• Mersenne primes
• Sequence: nth number with exactly n divisors
• Knight's tour
• Intersecting Number Wheels
• Matrix multiplication
• Matrix transposition
• Identity matrix
• String matching
• Mastermind
• Apply a callback to an array
• Latin Squares in reduced form
• Zeckendorf arithmetic
• World Cup group stage
• Forest fire
• Visualize a tree
• Variadic function
• Variables
• Sort disjoint sublist
• Twelve statements
• Top rank per group
• The Twelve Days of Christmas
• Ternary logic
• Temperature conversion
• Sum of squares
• Sum and product of an array
• Sorting algorithms/Quicksort
• Sorting algorithms/Pancake sort
• Sorting algorithms/Insertion sort
• Sorting algorithms/Gnome sort
• Sorting algorithms/Comb sort
• Sorting algorithms/Cocktail sort
• Calculating the value of e
• Sort using a custom comparator
• Sort three variables
• Day of the week
• Sort an integer array
• Sort an array of composite structures
• Sockets
• Integer sequence
• Short-circuit evaluation
• Send an unknown method call
• Search a list of records
• Search a list
• Reverse words in a string
• Return multiple values
• Reflection/List properties
• McNuggets Problem
• Executable library
• Abundant odd numbers
• Knuth's algorithm S
• Maximum triangle path sum
• Equilibrium index
• Random numbers
• Pick random element
• Partial function application
• Old lady swallowed a fly
• N'th
• Middle three digits
• Man or boy test
• Loops/Foreach
• Loop over multiple arrays simultaneously
• Input loop
• Horner's rule for polynomial evaluation
• History variables
• Higher-order functions
• Greatest element of a list
• Generic swap
• Generate lower case ASCII alphabet
• First-class functions/Use numbers analogously
• First-class functions
• Filter
• Fibonacci sequence
• Exceptions/Catch an exception thrown in a nested call
• Exceptions
• Evolutionary algorithm
• Days between dates
• Count occurrences of a substring
• Look-and-say sequence
• Classes
• Topswops
• Longest Common Substring
• Hash join
• Chemical Calculator
• Palindrome detection
• Boolean values
• Pangram checker
• Magic 8-Ball
• Playing cards
• RPG Attributes Generator
• Split a character string based on change of character
• Cartesian product of two or more lists
• Dynamic variable names
• Dot product
• Digital root
• Delegates
• Compare a list of strings
• Collections
• Closures/Value capture
• Enforced immutability
• Call a function
• 24 game
• Parse command-line arguments
• Base64 decode data
• Repeat a string
• Singly-linked list/Traversal
• Stack
• Ackermann function
• Associative array/Iteration
• Associative array/Creation
• Arrays
• ABC Problem
• Integer comparison
• Empty program
• Copy a string
• Array length
• Array concatenation
• Welch's t-test
• Sum digits of an integer
• Word frequency
• String comparison
• Launch rocket with countdown and acceleration in stdout
• Parametrized SQL statement
• GUI component interaction
• Almost prime
• Tetris
• Chinese remainder theorem
• Functional coverage tree
• Hello world/Graphical
• Increment a numerical string
• Inheritance/Single
• Loops/with multiple ranges
• IBAN
• HTTP
• Execute a system command
• Approximate Equality
• Even or odd
• Documentation
• Create an HTML table
• Comments
• Catalan numbers
• Check that file exists
• Call an object method
• Balanced brackets
• Arithmetic/Integer
• Teacup rim text
• Factors of an integer
• Weird numbers
• Color quantization
• Sum multiples of 3 and 5
• Time a function
• Tokenize a string with escaping
• Tokenize a string
• Vigenère cipher
• Abundant, deficient and perfect number classifications
• Truncatable primes
• Trigonometric functions
• URL decoding
• URL encoding
• LZW compression
• Reverse a string
• Undefined values
• Elementary cellular automaton
• Handle a signal
• Unix/ls
• Bilinear interpolation
• Image convolution
• Munching squares
• Peano curve
• Barnsley fern
• Yin and yang
• Dragon curve
• Hilbert curve
• Julia set
• Mandelbrot set
• Ulam spiral (for primes)
• Grayscale image
• Color wheel
• Abelian sandpile model
• Polyspiral
• Maze solving
• Leap year
• Case-sensitivity of identifiers
• Vector
• Self-describing numbers
• Shoelace formula for polygonal area
• Loops/For
• Strip comments from a string
• Substring/Top and tail
• Sum of a series
• Averages/Root mean square
• Loops/Downward for
• Word wrap
• Median filter
• Super-d numbers
• Burrows–Wheeler transform
• Universal Turing machine
• Window creation
• Web scraping
• Write entire file
• Read entire file
• Fermat numbers
• String case
• Prime decomposition
• Extract file extension
• Integer roots
• Vector products
• Permutations
• Longest common prefix
• Repeat
• Reverse the gender of a string
• Zero to the zero power
• Comma quibbling
• Bitwise operations
• Queue/Usage
• Queue/Definition
• Compound data type
• Imaginary base numbers
• Proper divisors
• 100 doors
• Carmichael 3 strong pseudoprimes
• Logical operations
• Function definition
• Execute Brainfuck
• Extend your language
• Count the coins
• Vampire number
• Factorial base numbers indexing permutations of a collection
• Parallel Brute Force
• Bacon cipher
• Pierpont primes
• Keyboard input/Keypress check
• Loops/Infinite
• Flatten a list
• Determine if only one instance is running
• Function frequency
• Four bit adder
• Formatted numeric output
• Singleton
• Draw a pixel
• Averages/Arithmetic mean
• Floyd's triangle
• Flipping bits game
• Find the missing permutation
• Find largest left truncatable prime in a given base
• Lah numbers
• Fast Fourier transform
• Black Box
• Bernoulli numbers
• One-dimensional cellular automata
• Rep-string
• Averages/Pythagorean means
• Nth root
• Faulhaber's formula
• Faulhaber's triangle
• Modular inverse
• Arithmetic-geometric mean/Calculate Pi
• Narcissist
• String prepend
• String append
• Terminal control/Coloured text
• XML Validation
• Emirp primes
• String concatenation
• String length
• Conditional structures
• Humble numbers
• Discordian date
• Determine if a string is numeric
• Literals/Floating point
• Literals/Integer
• Literals/String
• Command-line arguments
• FizzBuzz
• Loops/For with a specified step
• Loops/Increment loop index within loop body
• Menu
• Determinant and permanent
• Detect division by zero
• Department Numbers
• Death Star
• Date manipulation
• Loops/N plus one half
• Loops/While
• Shortest common supersequence
• Count in octal
• CSV to HTML translation
• CSV data manipulation
• Count in factors
• Pell's equation
• Fraction reduction
• Convert seconds to compound duration
• Monads/Writer monad
• Conjugate transpose
• Empty string
• Greed
• Jump anywhere
• Simulated annealing
• Address of a variable
• Solve the no connection puzzle
• Chaocipher
• Knuth's power tree
• Particle Swarm Optimization
• Evaluate binomial coefficients
• Magic squares of singly even order
• Hello world/Web server
• Color of a screen pixel
• Averages/Simple moving average
• Averages/Median
• Averages/Mean time of day
• Averages/Mean angle
• Average loop length
• Assertions
• Angle difference between two bearings
• Anagrams/Deranged anagrams
• Aliquot sequence classifications
• AKS test for primes
• Magic squares of doubly even order
• Mayan numerals
• Matrix chain multiplication
• Main step of GOST 28147-89
• Mad Libs
• Hello world/Newbie
• Dijkstra's algorithm
• Binary strings
• Geometric algebra
• Decimal floating point number to binary
• Catmull–Clark subdivision surface
• Plot coordinate pairs
• Create a two-dimensional array at runtime
• N-body problem
• Execute SNUSP
• Kahan summation
• Random number generator (device)
• Program name
• Hello world/Text
• Hello world!
• Diversity prediction theorem
• Eban numbers
• Fixed length records
• Van Eck sequence
• Monads/List monad
• 9 billion names of God the integer
• Type detection
• A+B
• JSON
• Longest string challenge
• XML/Output
• MD5
• Babbage problem
• Cheryl's Birthday
• Amicable pairs
• Best shuffle
• Averages/Mode
• Amb
• Largest number divisible by its digits
• Bell numbers
• Five weekends
• Abbreviations, automatic
• Hello world/Standard error
• Code segment unload
• Birthday problem
• Call a foreign-language function
• Population count
• Hello world/Newline omission
• Gray code
• Read a configuration file
• Elementary cellular automaton/Infinite length
• Anonymous recursion
• A* search algorithm
• Brazilian numbers
• Execute CopyPasta Language
• Append a record to the end of a text file
• Circles of given radius through two points
• Ramsey's theorem
• Power set
• Extensible prime generator
• Levenshtein distance
• Get system command output
• Holidays related to Easter
• Call a function in a shared library
• Include a file
• Box the compass
• Voronoi Diagram
• Sierpinski triangle
• Sine wave
• Singly-linked list/Element removal
• Audio frequency generator
• Quaternion type
• Ranking methods
• Safe mode
• Speech synthesis
• Shell one-liner
• Generate random chess position
• Thue-Morse
• Perfect totient numbers
• Left factorials
• Polynomial regression
• Sum to 100
• Stirling numbers of the second kind
• Stirling numbers of the first kind
• Fractal tree
• Currency
• Euler's identity
• Arithmetic/Rational
• Xiaolin Wu's line algorithm
• Arithmetic-geometric mean
• Numeric separator syntax
• Fusc sequence
• Operator precedence
• CUSIP
• Angles (geometric), normalization and conversion
• Kaprekar numbers
• Generate Chess960 starting position
• Josephus problem
• Abbreviations, easy
• I'm a software engineer, get me out of here
• Anti-primes
• Jaro distance
• Chowla numbers
• Cramer's rule
• Sorting algorithms/Sleep sort
• Fractran
• Send email
• Greyscale bars/Display
• Semiprime
• Arbitrary-precision integers (included)
• Concurrent computing
• Happy numbers
• Sequence: smallest number greater than previous term with exactly n divisors
• Sequence: smallest number with exactly n divisors
• Smarandache prime-digital sequence
• Sorting algorithms/Patience sort
• N-smooth numbers
• Primorial numbers
• Verify distribution uniformity/Naive
• Feigenbaum constant calculation
• XML/Input
• Animation
• Variable size/Set
• Water collected between towers
• Optional parameters
• Draw pixel 2
• Y combinator
• 2048
• P-value correction
• Define a primitive data type
• Matrix-exponentiation operator
• Parametric polymorphism
• General FizzBuzz
• Sleep
• Smith numbers
• Scope modifiers
• RSA code
• Hash from two arrays
• 15 Puzzle Game
• QR decomposition
• Object serialization
• Special characters
• Modular arithmetic
• Idiomatically determine all the lowercase and uppercase letters
• Strong and weak primes
• Safe primes and unsafe primes
• Fivenum
• Luhn test of credit card numbers
• SEDOLs
• Primality by trial division
• Scope/Function names and labels
• Permutations with some identical elements
• Use another language to call a function
• Accumulator factory
• Hough transform
• Print debugging statement
• Munchausen numbers
• Verify distribution uniformity/Chi-squared test
• Pernicious numbers
• Perfect numbers
• Character codes
• Apply a digital filter (direct form II transposed)
• Add a variable to a class instance at runtime
• Factorions
• Display a linear combination
• Idiomatically determine all the characters that can be used for symbols
• Tic-tac-toe
• Inverted syntax
• Nested function
• Unicode variable names
• Chaos game
• Polynomial synthetic division
• Draw a cuboid
• Hello world/Line printer
• Delete a file
• Gaussian elimination
• Pentagram
• Active Directory/Connect
• Minesweeper game
• Memory layout of a data structure
• Roots of unity
• Naming conventions
• Interactive programming
• Set of real numbers
• Sum data type
• Data Encryption Standard
• I.Q. Puzzle
• Two Sum
• Multisplit
• Koch curve
• Variable size/Get
• Substring
• XML/DOM serialization
• Walk a directory/Recursively
• Walk a directory/Non-recursively
• Sutherland-Hodgman polygon clipping
• Numerical integration
• Here document
• Cholesky decomposition
• Assertions in design by contract
• Quine
• Enumerations
• Rock-paper-scissors
• RCRPG
• Draw a sphere
• Loops/Wrong ranges
• Gradient descent
• Honeycombs
• Penrose tiling
• Pig the dice game
• Draw a rotating cube
• Compiler/lexical analyzer
• Regular expressions
• Sorting algorithms/Counting sort
• Sudoku
• Zumkeller numbers
• Rosetta Code/Rank languages by number of users
• Markov chain text generator
• Percentage difference between images
• Hunt The Wumpus
• Native shebang
• Input/Output for Lines of Text
• Letter frequency
• Animate a pendulum
• Longest increasing subsequence
• Abstract type
• I before E except after C
• Sorting algorithms/Tree sort on a linked list
• Gamma function
• Gauss-Jordan matrix inversion
• Four is the number of letters in the ...
• Keyboard macros
• Spinning rod animation/Text
• Chat server
• Random number generator (included)
• Sunflower fractal
• Unit testing
• Pattern matching
• Vibrating rectangles
• Function composition
• Ordered words
• K-means++ clustering
• Doubly-linked list/Traversal
• Doubly-linked list/Definition
• Doubly-linked list/Element definition
• Interactive Help
• Tarjan
• Sort numbers lexicographically
• Just in time processing on a character stream
• Selective File Copy
• Determine if two triangles overlap
• Terminal control/Ringing the terminal bell
• Terminal control/Cursor movement
• Terminal control/Cursor positioning
• Keyboard input/Obtain a Y or N response
• SHA-256
• MAC Vendor Lookup
• Hamming numbers
• Singly-linked list/Element insertion
• System time
• Proof
• Loops/Nested
• Sum and Product Puzzle
• 21 Game
• Zebra puzzle
• Peaceful chess queen armies
• Base58Check encoding
• Loops/Break
• Loops/Continue
• Chernick's Carmichael numbers
• Latin Squares in reduced form/Randomizing using Jacobson and Matthews’ Technique
• Non-decimal radices/Convert
• Addition chains
• Check output device is a terminal
• Morse code
• Base64 encode data
• One of n lines in a file
• Anagrams
• Roman numerals/Decode
• Harshad or Niven series
• Image noise
• Environment variables
• Rename a file
• Singly-linked list/Element definition
• Narcissistic decimal number
• Four is magic
• Pointers and references
• Introspection
• Cantor set
• Draw a clock
• Bitmap/Write a PPM file
• Catalan numbers/Pascal's triangle
• Convert decimal number to rational
• Symmetric difference
• Set consolidation
• Seven-sided dice from five-sided dice
• Polymorphism
• Rot-13
• Roman numerals/Encode
• Bitmap/Flood fill
• Checksumcolor
• Brace expansion
• Jewels and Stones
• Haversine formula
• Index finite lists of positive integers
• Arithmetic coding/As a generalized change of radix
• Cycle detection
• Partition an integer X into N primes
• Guess the number/With feedback (player)
• Range consolidation
• Copy stdin to stdout
• Knapsack problem/Continuous
• Arithmetic evaluation
• Catamorphism
• Miller–Rabin primality test
• Memory allocation
• Modular exponentiation
• Find common directory path
• Perlin noise
• Fork
• Ramer-Douglas-Peucker line simplification
• Events
• Convex hull
• Untrusted environment
• Self-hosting compiler
• Named parameters
• Synchronous concurrency
• Kernighans large earthquake problem
• Langton's ant
• Caesar cipher
• Solve a Hidato puzzle
• Dinesman's multiple-dwelling problem
• Range expansion
• Joystick position
• Arena storage pool
• Pathological floating point problems
• Currying
• Straddling checkerboard
• Unicode strings
• Waveform analysis/Doh ray me
• Waveform analysis/Top and tail
• Mayan calendar
• Calendar
• Poker hand analyser
• Align columns
• Banker's algorithm
• Iterated digits squaring
• Soundex
• Closest-pair problem
• Start from a main routine
• GUI enabling/disabling of controls
• Compile-time calculation
• Generator/Exponential
• Ramanujan's constant
• Brownian tree
• Knapsack problem/0-1
• GUI/Maximum window dimensions
• Pythagoras tree
• Range extraction
• Damm algorithm
• Dining philosophers
• Find the intersection of two lines
• Solve a Numbrix puzzle
• Solve a Hopido puzzle
• Solve a Holy Knight's tour
• XML/XPath
• Linear congruential generator
• Combinations
• Law of cosines - triples
• Cipolla's algorithm
• Tonelli-Shanks algorithm
• Numerical and alphabetical suffixes
• Egyptian fractions
• Bitwise IO
• LU decomposition
• Elementary cellular automaton/Random Number Generator
• Sequence of primorial primes
• Multiplicative order
• Permutations/Derangements
• Process SMIL directives in XML data
• Input/Output for Pairs of Numbers
• 16 Puzzle Game
• Kosaraju
• Spelling of ordinal numbers
• Elliptic Curve Digital Signature Algorithm
• Priority queue
• Read a specific line from a file
• Sorting algorithms/Radix sort
• Terminal control/Display an extended character
• Aspect Oriented Programming
• Ludic numbers
• Find duplicate files
• Run-length encoding
• Exponentiation operator
• Function prototype
• Chess player
• Multidimensional Newton-Raphson method
• Retrieve and search chat history
• Sorting algorithms/Merge sort
• Fibonacci n-step number sequences
• Window creation/X11
• FTP
• Rosetta Code/Fix code tags
• Create an object at a given address
• Checkpoint synchronization
• Superpermutation minimisation
• S-Expressions
• Strip a set of characters from a string
• Rosetta Code/Find bare lang tags
• Number reversal game
• Secure temporary file
• Rosetta Code/Count examples
• Monty Hall problem
• Make a backup file
• Binary search
• Make directory path
• Parallel calculations
• Parse an IP Address
• Price fraction
• Go Fish
• Zig-zag matrix
• Euler method
• Perceptron
• Write to Windows event log
• List rooted trees
• Runtime evaluation/In an environment
• Dutch national flag problem
• Eertree
• FASTA format
• Morpion solitaire
• Random Latin Squares
• Active Directory/Search for a user
• Perfect shuffle
• Chinese zodiac
• Deming's Funnel
• Sexy primes
• Machine code
• Sierpinski carpet
• Kronecker product based fractals
• Kronecker product
• Remote agent/Agent logic
• Suffixation of decimal numbers
• Resistor mesh
• DNS query
• Resistance Network Calculator
• Multifactorial
• Order two numerical lists
• Remote agent/Agent interface
• Remote agent/Simulation
• Long primes
• SHA-1
• Spiral matrix
• Dice game probabilities
• Mouse position
• Cumulative standard deviation
• UTF-8 encode and decode
• Reduced row echelon form
• Linux CPU utilization
• Kolakoski sequence
• The Name Game
• Ordered Partitions
• Truth table
• Successive prime differences
• Resistance Calculator
• Exponentiation order
• Sattolo cycle
• Stem-and-leaf plot
• Simple windowed application
• Unbias a random generator
• Stair-climbing puzzle
• Hickerson series of almost integers
• Compiler/code generator
• Create a file
• Parsing/RPN to infix conversion
• Bitcoin/address validation
• Topological sort
• Sorting algorithms/Heapsort
• Mind boggling card trick
• Multiline shebang
• Create an object/Native demonstration
• Numerical integration/Adaptive Simpson's method
• Penney's game
• Atomic updates
• Modulinos
• Montgomery reduction
• Euler's sum of powers conjecture
• One-time pad
• Arithmetic/Complex
• Runtime evaluation
• Ethiopian multiplication
• Pentomino tiling
• Find the last Sunday of each month
• Entropy
• Empty directory
• Active object
• Free polyominoes enumeration
• Pragmatic directives
• Longest common subsequence
• ASCII art diagram converter
• Check Machin-like formulas
• OpenWebNet Password
• Magic squares of odd order
• External sort
• Colour bars/Display
• Greatest subsequential sum
• Sorting algorithms/Bead sort
• Decision tables
• 24 game/Solve
• Parsing/RPN calculator algorithm
• Raster bars
• Video display modes
• Take notes on the command line
• Order disjoint list items
• Rosetta Code/List authors of task descriptions
• Percolation/Mean cluster density
• Separate the house number from the street name
• Percolation/Site percolation
• Boids
• Deconvolution/2D+
• Old Russian measure of length
• Strip whitespace from a string/Top and tail
• Pascal matrix generation
• AVL tree
• Forward difference
• Integer overflow
• Sierpinski triangle/Graphical
• Combinations with repetitions
• Monte Carlo methods
• Combinations with repetitions/Square Digit Chain
• Element-wise operations
• Musical scale
• Casting out nines
• Sokoban
• Galton box animation
• Constrained genericity
• Special variables
• Null object
• Implicit type conversion
• Subset sum problem
• Pi
• Digital root/Multiplicative digital root
• Long multiplication
• Bitcoin/public point to address
• String interpolation (included)
• Execute a Markov algorithm
• Word break problem
• Taxicab numbers
• MD4
• Read a file line by line
• Sierpinski pentagon
• Sort a list of object identifiers
• Check input device is a terminal
• Transportation problem
• Vogel's approximation method
• Compiler/AST interpreter
• Bresenham's Line Algorithm
• Statistics/Basic
• Curve that touches three points
• Total circles area
• Parse EBNF
• Knapsack problem/Unbounded
• Huffman coding
• Nonoblock
• Date format
• Compiler/syntax analyzer
• Addition-chain exponentiation
• Find palindromic numbers in both binary and ternary bases
• Stream Merge
• Terminal control/Unicode output
• Play recorded sounds
• Find the intersection of a line with a plane
• Record sound
• Largest int from concatenated ints
• Rosetta Code:Village Pump/RC extraction Tool and Task
• Negative base numbers
• Rosetta Code/Find unimplemented tasks
• Rosetta Code/Tasks without examples
• 15 Puzzle Game in 3D
• Suffix tree
• RIPEMD-160
• Snake And Ladder
• Text processing/2
• Permutations with repetitions
• Validate International Securities Identification Number
• Password generator
• Inheritance/Multiple
• Archimedean spiral
• Semordnilap
• Permutation test
• Flow-control structures
• Snake
• Strip control codes and extended characters from a string
• MD5/Implementation
• JortSort
• Tamagotchi emulator
• Find first and last set bit of a long integer
• Parsing/Shunting-yard algorithm
• HTTPS
• Superellipse
• Plasma effect
• Hexapawn
• Floyd-Warshall algorithm
• Benford's law
• Starting a web browser
• Hailstone sequence
• Ukkonen’s Suffix Tree Construction
• Horizontal sundial calculations
• Egyptian division
• Least common multiple
• Quickselect algorithm
• Runge-Kutta method
• Combinations and permutations
• Robots
• Last letter-first letter
• Move-to-front algorithm
• Set
• Rate counter
• Topic variable
• Card shuffles
• Compiler/virtual machine interpreter
• Jensen's Device
• Colour pinstripe/Printer
• Program termination
• Readline interface
• Sorting algorithms/Shell sort
• EKG sequence convergence
• HTTPS/Authenticated
• The ISAAC Cipher
• Non-continuous subsequences
• Polynomial long division
• Globally replace text in several files
• Sequence of non-squares
• Real constants and functions
• Trabb Pardo–Knuth algorithm
• Stern-Brocot sequence
• Multiple distinct objects
• Time-based One-time Password Algorithm
• Unicode polynomial equation
• Reflection/Get source
• Reflection/List methods
• Respond to an unknown method call
• Metaprogramming
• CRC-32
• Zeckendorf number representation
• Mutual recursion
• Entropy/Narcissist
• Sailors, coconuts and a monkey problem
• Multi-dimensional array
• Statistics/Normal distribution
• Most frequent k chars distance
• Sorting algorithms/Stooge sort
• Van der Corput sequence
• Stack traces
• Commatizing numbers
• Safe addition
• Heronian triangles
• Probabilistic choice
• Primes - allocate descendants to their ancestors
• Host introspection
• Balanced ternary
• Nested templated data
• OpenGL Pixel Shader
• OpenGL/Utah Teapot
• Hofstadter Figure-Figure sequences
• Bulls and cows/Player
• Hofstadter-Conway $10,000 sequence
• OpenGL
• Elliptic curve arithmetic
• Truncate a file
• Keyboard input/Flush the keyboard buffer
• Sparkline in unicode
• Map range
• Word search
• French Republican calendar
• Terminal control/Positional read
• Terminal control/Dimensions
• Pig the dice game/Player
• Write float arrays to a text file
• Zhang-Suen thinning algorithm
• Simulate input/Mouse
• Simulate input/Keyboard
• Echo server
• SOAP
• K-d tree
• Colour pinstripe/Display
• Pinstripe/Printer
• 15 puzzle solver
• Constrained random points on a circle
• Compare sorting algorithms' performance
• Run as a daemon or service
• Percolation/Bond percolation
• Terminal control/Inverse video
• Terminal control/Preserve screen
• Terminal control/Hiding the cursor
• Table creation
• Sorting algorithms/Strand sort
• Lucky and even lucky numbers
• Topological sort/Extracted top item
• First class environments
• Paraffins
• Spoof game
• OLE Automation
• Read a file character by character/UTF8
• Rendezvous
• Sorting Algorithms/Circle Sort
• Strip block comments
• Levenshtein distance/Alignment
• Audio Overlap Loop
• Fibonacci heap
• Bitmap/PPM conversion through a pipe
• NYSIIS
• Using a Speech engine to highlight words
• Window management
• Chebyshev coefficients
• Canny edge detector
• Table creation/Postal addresses
• Inverted index
• Bitmap/Read an image through a pipe
• Remove lines from a file
• Simple database
• Wireworld
• Railway circuit
• Nautical bell
• Natural sorting
• Update a configuration file
• Deepcopy
• SQL-based authentication
• HTTPS/Client-authenticated
• Doubly-linked list/Element insertion
• List comprehensions
• Substitution Cipher
• Pinstripe/Display
• Factors of a Mersenne number
• Distributed programming
• Terminal control/Restricted width positional input/With wrapping
• Terminal control/Restricted width positional input/No wrapping
• Cut a rectangle
• Roots of a quadratic function
• Text processing/1
• Sorting algorithms/Cycle sort
• Playfair cipher
• VList
• Variable-length quantity
• Metered concurrency
• Roots of a function
• Formal power series
• Percolation/Mean run density
• Permutations/Rank of a permutation
• Subtractive generator
• Problem of Apollonius
• Pascal's triangle/Puzzle
• Lychrel numbers
• Fibonacci word/fractal
• Bitmap/Read a PPM file
• Odd word problem
• Sort stability
• Non-decimal radices/Output
• Last Friday of each month
• Text processing/Max licenses in use
• Multiple regression
• Textonyms
• Permutations by swapping
• Fibonacci word
• Bitmap/Bézier curves/Quadratic
• Bitmap/Histogram
• Names to numbers
• Rosetta Code/Run examples
• Solve a Rubik's Cube
• Yahoo! search interface
• Vigenère cipher/Cryptanalysis
• Stable marriage problem
• Test integerness
• Ray-casting algorithm
• Non-decimal radices/Input
• Bitmap/Bézier curves/Cubic
• State name puzzle
• Extreme floating point values
• Same Fringe
• Bitmap/Midpoint circle algorithm
• Show the epoch
• Chess player/Program options and user interface
• Chess player/Move generation
• Chess player/Search and evaluation
• IPC via named pipe
• Rosetta Code:Add a Task
• Solving coin problems
• Using the Meetup.com API
• Blackjack strategy
• Recursive descent parser generator
• IRC gateway
• Rosetta Code:Village Pump/Grouping tasks
• Rosetta Code:Village Pump/Example ordering
• Sandbox/Realazthat/Hough transform
• File input and output