solutions
listlengths
2
791
task_name
stringlengths
2
86
[ { "code": "---\ncategory:\n- Functions and subroutines\nfrom: http://rosettacode.org/wiki/Variadic_function\nnote: Basic language learning\n", "language": "00-META" }, { "code": ";Task:\nCreate a function which takes in a variable number of arguments and prints each one on its own line. \n\nAlso sho...
Variadic-function
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Vector\nnote: Physics\n", "language": "00-META" }, { "code": ";Task\nImplement a Vector class (or a set of functions) that models a Physical Vector. The four basic operations and a ''pretty print'' function should be implemented. \n\n\nThe Vector may...
Vector
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Verhoeff_algorithm\n", "language": "00-META" }, { "code": ";Description\nThe [https://en.wikipedia.org/wiki/Verhoeff_algorithm Verhoeff algorithm] is a checksum formula for error detection developed by the Dutch mathematician Jacobus Verhoeff and fir...
Verhoeff-algorithm
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Verify_distribution_uniformity/Chi-squared_test\nnote: Probability and statistics\n", "language": "00-META" }, { "code": ";Task:\nWrite a function to determine whether a given set of frequency counts could plausibly have come from a uniform distribut...
Verify-distribution-uniformity-Chi-squared-test
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Verify_distribution_uniformity/Naive\nnote: Probability and statistics\n", "language": "00-META" }, { "code": "<small>This task is an adjunct to [[Seven-sided dice from five-sided dice]].</small>\n\n\n;Task:\nCreate a function to check that the rando...
Verify-distribution-uniformity-Naive
[ { "code": "---\ncategory:\n- String manipulation\nfrom: http://rosettacode.org/wiki/Vigenère_cipher\nnote: Encryption\n", "language": "00-META" }, { "code": ";Task:\nImplement a &nbsp; [[wp:Vigen%C3%A8re_cipher|Vigenère cypher]], &nbsp; both encryption and decryption. \n\nThe program should handle k...
Vigen-re-cipher
[ { "code": "---\ncategory:\n- Encryption\nfrom: http://rosettacode.org/wiki/Vigenère_cipher/Cryptanalysis\nnote: Encryption\n", "language": "00-META" }, { "code": "Given some text you suspect has been encrypted with a Vigenère cipher, extract the key and plaintext. There are several methods for doing...
Vigen-re-cipher-Cryptanalysis
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Visualize_a_tree\n", "language": "00-META" }, { "code": "A tree structure &nbsp; (i.e. a rooted, connected acyclic graph) &nbsp; is often used in programming. \n\nIt's often helpful to visually examine such a structure. \n\nThere are many ways to re...
Visualize-a-tree
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Voronoi_diagram\n", "language": "00-META" }, { "code": "A [[wp:Voronoi diagram|Voronoi diagram]] is a diagram consisting of a number of sites. \n\nEach Voronoi site ''s'' also has a Voronoi cell consisting of all points closest to ''s''.\n\n\n;Task:...
Voronoi-diagram
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Wagstaff_primes\n", "language": "00-META" }, { "code": ";Definition\nA ''Wagstaff prime'' is a prime number of the form ''(2^p + 1)/3'' where the exponent ''p'' is an odd prime.\n\n;Example \n(2^5 + 1)/3 = 11 is a Wagstaff prime because both 5 and 11...
Wagstaff-primes
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Walk_a_directory/Non-recursively\nnote: File System Operations\n", "language": "00-META" }, { "code": ";Task:\nWalk a given directory and print the ''names'' of files matching a given pattern. \n\n(How is \"pattern\" defined? substring match? DOS ...
Walk-a-directory-Non-recursively
[ { "code": "---\ncategory:\n- Cards\n- Games\nfrom: http://rosettacode.org/wiki/War_card_game\n", "language": "00-META" }, { "code": "War Card Game\n\nSimulate the card game War. Use the Bicycle playing card manufacturer's rules. Show a game as played. User input is optional.\n\nReferences:\n\n:* B...
War-card-game
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Wasteful,_equidigital_and_frugal_numbers\n", "language": "00-META" }, { "code": ";Definitions\nLet '''n''' be a positive integer and '''l(n)''' be the number of its digits in base '''b'''.\n\nExpress '''n''' as the product of its prime factors raised...
Wasteful-equidigital-and-frugal-numbers
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Water_collected_between_towers\n", "language": "00-META" }, { "code": ";Task:\nIn a two-dimensional world, we begin with any bar-chart (or row of close-packed 'towers', each of unit width), and then it rains, \ncompletely filling all convex enclosure...
Water-collected-between-towers
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Weird_numbers\n", "language": "00-META" }, { "code": "In number theory, a [[wp:weird number|weird number]] is a natural number that is [[wp:abundant number|abundant]] but ''not'' [[wp:semiperfect number|semiperfect]] (and therefore not [[wp:perfect n...
Weird-numbers
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Wieferich_primes\nnote: Prime Numbers\n", "language": "00-META" }, { "code": "<br>\nIn number theory, a '''Wieferich prime''' is a prime number ''' ''p'' ''' such that ''' ''p<sup>2</sup>'' ''' evenly divides ''' ''2<sup>(p − 1)</sup> − 1'' '''.\n\n\...
Wieferich-primes
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Wilson_primes_of_order_n\nnote: Prime Numbers\n", "language": "00-META" }, { "code": ";Definition\n\nA [https://en.wikipedia.org/wiki/Wilson_prime Wilson prime of order '''n'''] is a prime number &nbsp; '''p''' &nbsp; such that &nbsp; '''p<sup>2</sup...
Wilson-primes-of-order-n
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Window_creation/X11\nnote: GUI\nrequires:\n- Graphics\n", "language": "00-META" }, { "code": ";Task:\nCreate a simple '''X11''' application, &nbsp; using an '''X11''' protocol library such as Xlib or XCB, &nbsp; that draws a box and &nbsp; \"Hello Wo...
Window-creation-X11
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Window_management\nnote: GUI\n", "language": "00-META" }, { "code": "Treat windows or at least window identities as [[wp:First-class_object|first class objects]].\n\n* Store window identities in variables, compare them for equality.\n* Provide exampl...
Window-management
[ { "code": "---\ncategory:\n- Cellular automata\nfrom: http://rosettacode.org/wiki/Wireworld\nnote: Games\n", "language": "00-META" }, { "code": "[[wp:Wireworld|Wireworld]] is a cellular automaton with some similarities to [[Conway's Game of Life]]. \n\nIt is capable of doing sophisticated computatio...
Wireworld
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Word_ladder\n", "language": "00-META" }, { "code": "Yet another shortest path problem. Given two words of equal length the task is to transpose the first into the second.\n\nOnly one letter may be changed at a time and the change must result in a wor...
Word-ladder
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Word_search\n", "language": "00-META" }, { "code": "A [[wp:Word_search|word search]] puzzle typically consists of a grid of letters in which words are hidden.\n\nThere are many varieties of word search puzzles. For the task at hand we will use a rect...
Word-search
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Word_wheel\nnote: Puzzles\n", "language": "00-META" }, { "code": "A \"word wheel\" is a type of word game commonly found on the \"puzzle\" page of\nnewspapers. You are presented with nine letters arranged in a circle or 3&times;3\ngrid. The objective...
Word-wheel
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Wordiff\nnote: Games\n", "language": "00-META" }, { "code": "Wordiff is an original game in which contestants take turns spelling new dictionary words of three or more characters that only differ from\nthe last by a change in one letter.\n\n\nThe cha...
Wordiff
[ { "code": "---\nfrom: http://rosettacode.org/wiki/World_Cup_group_stage\n", "language": "00-META" }, { "code": "It's World Cup season (or at least it was when this page was created)! \n\nThe World Cup is an international football/soccer tournament that happens every 4 years. &nbsp; Countries put the...
World-Cup-group-stage
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Write_entire_file\nnote: File handling\n", "language": "00-META" }, { "code": ";Task:\n(Over)write a file so that it contains a string.\n\n\nThe reverse of [[Read entire file]]—for when you want to update or create a file which you would read in its ...
Write-entire-file
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Write_language_name_in_3D_ASCII\n", "language": "00-META" }, { "code": ";Task:\nWrite/display a language's name in '''3D''' ASCII. \n\n\n(We can leave the definition of \"3D ASCII\" fuzzy, \nso long as the result is interesting or amusing, \nnot a ch...
Write-language-name-in-3D-ASCII
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Write_to_Windows_event_log\n", "language": "00-META" }, { "code": ";Task:\nWrite script status to the Windows Event Log\n<br><br>\n\n", "language": "00-TASK" }, { "code": ":start:\nI :argv.len != 5\n print(‘Usage : #. < Followed by leve...
Write-to-Windows-event-log
[ { "code": "---\ncategory:\n- Graphics algorithms\nfrom: http://rosettacode.org/wiki/Xiaolin_Wu's_line_algorithm\nnote: Raster graphics operations\n", "language": "00-META" }, { "code": ";Task:\nImplement the &nbsp; [[wp:Xiaolin Wu's line algorithm|Xiaolin Wu's line algorithm]] &nbsp; described in Wi...
Xiaolin-Wus-line-algorithm
[ { "code": "---\nfrom: http://rosettacode.org/wiki/XML/Input\nnote: XML\n", "language": "00-META" }, { "code": "Given the following XML fragment, extract the list of ''student names'' using whatever means desired. If the only viable method is to use XPath, refer the reader to the task [[XML and XPath...
XML-Input
[ { "code": "---\nfrom: http://rosettacode.org/wiki/XML/Output\nnote: XML\n", "language": "00-META" }, { "code": "Create a function that takes a list of character names and a list of corresponding remarks and returns an XML document of <code><Character></code> elements each with a name attributes and ...
XML-Output
[ { "code": "---\nfrom: http://rosettacode.org/wiki/XML/XPath\nnote: XML\n", "language": "00-META" }, { "code": "Perform the following three XPath queries on the XML Document below:\n* '''//item[1]''': Retrieve the first \"item\" element \n* '''//price/text()''': Perform an action on each \"price\" el...
XML-XPath
[ { "code": "---\ncategory:\n- Networking and Web Interaction\nfrom: http://rosettacode.org/wiki/Yahoo!_search_interface\nnote: Programming environment operations\n", "language": "00-META" }, { "code": "Create a class for searching Yahoo! results.\n\nIt must implement a '''Next Page''' method, and rea...
Yahoo-search-interface
[ { "code": "---\ncategory:\n- Prime Numbers\nfrom: http://rosettacode.org/wiki/Yellowstone_sequence\n", "language": "00-META" }, { "code": "The '''Yellowstone sequence''', also called the '''Yellowstone permutation''', is defined as:\n\nFor n <= 3,\n\n a(n) = n\n\nFor n >= 4,\n\n a(n) = the sma...
Yellowstone-sequence
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Yin_and_yang\nnote: Graphics\n", "language": "00-META" }, { "code": "One well-known symbol of the philosophy of duality known as [[wp:Yin_and_Yang|yin and yang]] is the [[wp:Taijitu|taijitu]].\n\n\n;Task:\n:* &nbsp; Create a function that, given a pa...
Yin-and-yang
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Zeckendorf_arithmetic\nnote: Arithmetic operations\n", "language": "00-META" }, { "code": "This task is a ''total immersion'' zeckendorf task; using decimal numbers will attract serious disapprobation.\n\nThe task is to implement addition, subtractio...
Zeckendorf-arithmetic
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Zeckendorf_number_representation\n", "language": "00-META" }, { "code": "Just as numbers can be represented in a positional notation as sums of multiples of the powers of ten (decimal) or two (binary); all the positive integers can be represented as ...
Zeckendorf-number-representation
[ { "code": "---\ncategory:\n- Simple\nfrom: http://rosettacode.org/wiki/Zero_to_the_zero_power\n", "language": "00-META" }, { "code": "Some computer programming languages are not exactly consistent &nbsp; (with other computer programming languages) &nbsp; \n<br>when &nbsp; ''raising zero to the zerot...
Zero-to-the-zero-power
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Zig-zag_matrix\nnote: Matrices\n", "language": "00-META" }, { "code": ";Task:\nProduce a zig-zag array. \n\n\nA &nbsp; ''zig-zag'' &nbsp; array is a square arrangement of the first &nbsp; <big>N<sup>2</sup></big> &nbsp; natural numbers, &nbsp; where...
Zig-zag-matrix
[ { "code": "---\nfrom: http://rosettacode.org/wiki/Zumkeller_numbers\nnote: Prime Numbers\n", "language": "00-META" }, { "code": "Zumkeller numbers are the set of numbers whose divisors can be partitioned into two disjoint sets that sum to the same value. Each sum must contain divisor values that are...
Zumkeller-numbers