Lua

Lua is a lightweight, high-level, multi-paradigm programming language designed primarily for embedded use in applications. It's known for its simplicity, efficiency, and portability, making it popular for scripting in games, web applications, and other software systems.

Tasks

• 100 doors
• 15 Puzzle Game
• 24 game
• 24 game/Solve
• 4-rings or 4-squares puzzle
• A* search algorithm
• A+B
• ABC Problem
• AVL tree
• Abbreviations, automatic
• Abstract type
• Abundant odd numbers
• Abundant, deficient and perfect number classifications
• Accumulator factory
• Ackermann function
• Add a variable to a class instance at runtime
• Align columns
• Almost prime
• Amb
• Amicable pairs
• Anagrams
• Angle difference between two bearings
• Animate a pendulum
• Anti-primes
• Append a record to the end of a text file
• Apply a callback to an array
• Arithmetic evaluation
• Arithmetic-geometric mean
• Arithmetic/Complex
• Arithmetic/Integer
• Arithmetic/Rational
• Array concatenation
• Array length
• Arrays
• Assertions
• Associative array/Creation
• Associative array/Iteration
• Attractive numbers
• 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
• Babbage problem
• Bacon cipher
• Balanced brackets
• Barnsley fern
• Base64 encode data
• Benford's law
• Binary digits
• Binary search
• Binary strings
• Bitmap
• Bitmap/Histogram
• Bitmap/Read a PPM file
• Bitmap/Write a PPM file
• Bitwise operations
• Boolean values
• Box the compass
• Brownian tree
• Bulls and cows
• CRC-32
• CSV data manipulation
• CSV to HTML translation
• CUSIP
• Caesar cipher
• Calculating the value of e
• Calendar
• Call a foreign-language function
• Call a function
• Call an object method
• Card shuffles
• Cartesian product of two or more lists
• Case-sensitivity of identifiers
• Catalan numbers
• Catalan numbers/Pascal's triangle
• Catamorphism
• Chaos game
• Character codes
• Check that file exists
• Chinese remainder theorem
• Chowla numbers
• Church Numerals
• Circles of given radius through two points
• Classes
• Closures/Value capture
• Collections
• Combinations
• Combinations with repetitions
• Comma quibbling
• Command-line arguments
• Comments
• Compare a list of strings
• Compound data type
• Concurrent computing
• Conditional structures
• Convert seconds to compound duration
• Convex hull
• Copy a string
• Count in factors
• Count in octal
• Count occurrences of a substring
• Count the coins
• Cramer's rule
• Create a file
• Create a file on magnetic tape
• Create a two-dimensional array at runtime
• Create an HTML table
• Cumulative standard deviation
• Currying
• DNS query
• Damm algorithm
• Date format
• Date manipulation
• Day of the week
• Days between dates
• Deconvolution/1D
• Deepcopy
• Delete a file
• Department Numbers
• Detect division by zero
• Determinant and permanent
• Determine if a string is numeric
• Determine if two triangles overlap
• Digital root
• Dijkstra's algorithm
• Dinesman's multiple-dwelling problem
• Dot product
• Dragon curve
• Draw a clock
• Draw a pixel
• Draw a sphere
• Dynamic variable names
• Echo server
• Egyptian division
• Emirp primes
• Empty directory
• Empty program
• Empty string
• Entropy
• Entropy/Narcissist
• Enumerations
• Environment variables
• Ethiopian multiplication
• Euler method
• Euler's sum of powers conjecture
• Evaluate binomial coefficients
• Even or odd
• Evolutionary algorithm
• Exceptions
• Exceptions/Catch an exception thrown in a nested call
• Execute Brainfuck
• Execute HQ9+
• Execute SNUSP
• Execute a Markov algorithm
• Execute a system command
• Exponentiation operator
• Exponentiation order
• Extract file extension
• Extreme floating point values
• FASTA format
• Factorial
• Factors of an integer
• Farey sequence
• Fast Fourier transform
• Faulhaber's formula
• Faulhaber's triangle
• Feigenbaum constant calculation
• Fibonacci n-step number sequences
• Fibonacci sequence
• Fibonacci word
• Fibonacci word/fractal
• Filter
• Find limit of recursion
• 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
• First class environments
• First-class functions
• First-class functions/Use numbers analogously
• Five weekends
• Fivenum
• FizzBuzz
• Flatten a list
• Flipping bits game
• Flow-control structures
• Floyd-Warshall algorithm
• Forest fire
• Fork
• Formal power series
• Formatted numeric output
• Forward difference
• Four bit adder
• Fractal tree
• Function composition
• Function definition
• Function prototype
• Gamma function
• General FizzBuzz
• Generate Chess960 starting position
• Generate lower case ASCII alphabet
• Generator/Exponential
• Generic swap
• Get system command output
• Globally replace text in several files
• Gray code
• Grayscale image
• Greatest common divisor
• Greatest element of a list
• Greatest subsequential sum
• Guess the number
• Guess the number/With feedback
• Guess the number/With feedback (player)
• HTTP
• HTTPS
• HTTPS/Authenticated
• Hailstone sequence
• Hamming numbers
• Happy numbers
• Harshad or Niven series
• Hash from two arrays
• Haversine formula
• Hello world!
• Hello world/Graphical
• Hello world/Newbie
• Hello world/Newline omission
• Hello world/Standard error
• Hello world/Text
• Here document
• Heronian triangles
• Higher-order functions
• Hilbert curve
• Hofstadter-Conway $10,000 sequence
• Holidays related to Easter
• Horner's rule for polynomial evaluation
• Hostname
• Huffman coding
• I before E except after C
• IBAN
• Identity matrix
• Idiomatically determine all the lowercase and uppercase letters
• Implicit type conversion
• Include a file
• Increment a numerical string
• Infinity
• Inheritance/Multiple
• Input loop
• Input/Output for Lines of Text
• Input/Output for Pairs of Numbers
• Integer comparison
• Integer roots
• Integer sequence
• Interactive programming
• Introspection
• Iterated digits squaring
• JSON
• Jensen's Device
• Jewels and Stones
• JortSort
• Josephus problem
• Jump anywhere
• K-means++ clustering
• Kahan summation
• Kaprekar numbers
• Kernighans large earthquake problem
• Knapsack problem/Unbounded
• Knight's tour
• Knuth shuffle
• Kolakoski sequence
• Kosaraju
• Kronecker product
• Kronecker product based fractals
• LZW compression
• Langton's ant
• Largest int from concatenated ints
• Last Friday of each month
• Leap year
• Least common multiple
• Left factorials
• Leonardo numbers
• Letter frequency
• Levenshtein distance
• Linear congruential generator
• List comprehensions
• Literals/Floating point
• Literals/Integer
• Literals/String
• Logical operations
• Longest common prefix
• Longest common subsequence
• Longest increasing subsequence
• Longest string challenge
• 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/Infinite
• Loops/N plus one half
• Loops/Nested
• Loops/While
• Ludic numbers
• Luhn test of credit card numbers
• MAC Vendor Lookup
• MD4
• MD5
• Magic squares of doubly even order
• Magic squares of odd order
• Magic squares of singly even order
• Make directory path
• Man or boy test
• Mandelbrot set
• Map range
• Markov chain text generator
• Mastermind
• Matrix multiplication
• Matrix transposition
• Matrix-exponentiation operator
• Maximum triangle path sum
• Maze generation
• Menu
• Metaprogramming
• Middle three digits
• Modular arithmetic
• Modulinos
• Monte Carlo methods
• Monty Hall problem
• Morse code
• Move-to-front algorithm
• Multi-dimensional array
• Multifactorial
• Multiple distinct objects
• Multiplication tables
• Multisplit
• Munchausen numbers
• Munching squares
• Mutual recursion
• N'th
• N-queens problem
• Named parameters
• Naming conventions
• Narcissistic decimal number
• Nested function
• Nim Game
• Non-decimal radices/Convert
• Non-decimal radices/Input
• Non-decimal radices/Output
• Nth root
• Null object
• Number names
• Number reversal game
• Numerical integration
• Numerical integration/Gauss-Legendre Quadrature
• Old lady swallowed a fly
• One of n lines in a file
• One-dimensional cellular automata
• OpenGL
• Operator precedence
• Optional parameters
• Order disjoint list items
• Order two numerical lists
• Ordered Partitions
• Ordered words
• Palindrome detection
• Pangram checker
• Parsing/RPN calculator algorithm
• Partial function application
• Pascal matrix generation
• Pascal's triangle
• Password generator
• Penney's game
• Perceptron
• Perfect numbers
• Perfect shuffle
• Permutations
• Permutations by swapping
• Permutations/Derangements
• Pernicious numbers
• Phrase reversals
• Pi
• Pick random element
• Pig the dice game
• Pinstripe/Display
• Plasma effect
• Playing cards
• Pointers and references
• Poker hand analyser
• Polymorphism
• Polynomial regression
• Polyspiral
• Population count
• Power set
• Price fraction
• Primality by trial division
• Prime conspiracy
• Prime decomposition
• Priority queue
• Probabilistic choice
• Program name
• Program termination
• Proper divisors
• Pythagorean quadruples
• Quaternion type
• Queue/Definition
• Queue/Usage
• Quickselect algorithm
• Quine
• RIPEMD-160
• Random number generator (included)
• Random numbers
• Range expansion
• Range extraction
• 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
• Real constants and functions
• Recaman's sequence
• Reduced row echelon form
• Reflection/List methods
• Regular expressions
• Remove duplicate elements
• Remove lines from a file
• Rename a file
• Repeat
• Repeat a string
• Respond to an unknown method call
• Return multiple values
• Reverse a string
• Reverse words in a string
• Rock-paper-scissors
• Roman numerals/Decode
• Roman numerals/Encode
• Roots of a function
• Roots of a quadratic function
• Roots of unity
• Rosetta Code/Find unimplemented tasks
• Rosetta Code/Fix code tags
• Rot-13
• Run-length encoding
• Runtime evaluation
• Runtime evaluation/In an environment
• SHA-1
• SHA-256
• Sailors, coconuts and a monkey problem
• Sattolo cycle
• Search a list
• Search a list of records
• Secure temporary file
• Self-describing numbers
• Self-referential sequence
• Semiprime
• Semordnilap
• Send an unknown method call
• Send email
• Sequence of non-squares
• Sequence of primes by trial division
• Set
• Set of real numbers
• Seven-sided dice from five-sided dice
• Shell one-liner
• Shoelace formula for polygonal area
• Short-circuit evaluation
• Show Ascii table
• Show the epoch
• Sierpinski triangle
• Sierpinski triangle/Graphical
• Sieve of Eratosthenes
• Simple windowed application
• Sleep
• Smith numbers
• Sockets
• Solve a Holy Knight's tour
• 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 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/Comb sort
• Sorting algorithms/Counting sort
• Sorting algorithms/Gnome sort
• Sorting algorithms/Insertion sort
• Sorting algorithms/Merge sort
• Sorting algorithms/Pancake sort
• Sorting algorithms/Permutation sort
• Sorting algorithms/Quicksort
• Sorting algorithms/Selection sort
• Sorting algorithms/Shell sort
• Sorting algorithms/Sleep sort
• Sorting algorithms/Stooge sort
• Soundex
• Special characters
• Special variables
• Spiral matrix
• Split a character string based on change of character
• Square but not cube
• Square-free integers
• Stable marriage problem
• Stack
• Stack traces
• Stair-climbing puzzle
• Statistics/Basic
• Statistics/Normal distribution
• Stem-and-leaf plot
• Stern-Brocot sequence
• Straddling checkerboard
• 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
• Substitution Cipher
• Substring
• Substring/Top and tail
• Sudoku
• Sum and product of an array
• Sum digits of an integer
• Sum multiples of 3 and 5
• Sum of a series
• Sum of squares
• Sum to 100
• Sutherland-Hodgman polygon clipping
• Symmetric difference
• Synchronous concurrency
• System time
• Table creation
• Table creation/Postal addresses
• Take notes on the command line
• Temperature conversion
• Terminal control/Clear the screen
• Terminal control/Display an extended character
• Terminal control/Ringing the terminal bell
• Test a function
• Test integerness
• Text processing/1
• Text processing/2
• Text processing/Max licenses in use
• Textonyms
• The Name Game
• The Twelve Days of Christmas
• Thue-Morse
• Time a function
• Tokenize a string
• Tokenize a string with escaping
• Top rank per group
• Topswops
• Totient function
• Trabb Pardo–Knuth algorithm
• Tree traversal
• Trigonometric functions
• Truncatable primes
• Truncate a file
• Two Sum
• URL decoding
• URL encoding
• URL parser
• UTF-8 encode and decode
• Unbias a random generator
• Undefined values
• Unicode variable names
• Universal Turing machine
• Unix/ls
• Validate International Securities Identification Number
• Van Eck sequence
• Van der Corput sequence
• Variables
• Variadic function
• Vector
• Vector products
• Vigenère cipher
• Walk a directory/Non-recursively
• Walk a directory/Recursively
• Web scraping
• Window creation
• Wireworld
• Word break problem
• Word frequency
• Word wrap
• Write entire file
• Write float arrays to a text file
• XML/DOM serialization
• XML/Input
• XML/Output
• XML/XPath
• Y combinator
• Zeckendorf number representation
• Zero to the zero power
• Zhang-Suen thinning algorithm
• Zig-zag matrix