User:Dfg2/Sandbox/Golfscript

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