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Questions tagged [rosetta-stone]

Encouraging users to solve a challenge using as many different languages as they know. The end goal is to demonstrate how the same challenge is accomplished in different programming languages.

66 questions
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36 answers

Fibonacci Code Golf

Generate the Fibonacci sequence in the fewest amount of characters possible. Any language is OK, except for one that you define with one operator, f, which prints the Fibonacci numbers. Starting point: 25 14 characters in Haskell: …
Claudiu
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19 answers

Code Golf: Ulam Spiral

The Challenge The shortest code by character count to output Ulam's spiral with a spiral size given by user input. Ulam's spiral is one method to map prime numbers. The spiral starts from the number 1 being in the center (1 is not a prime) and…
LiraNuna
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4 answers

Code Golf: 2D Platformer

The Challenge Reach the end of the level! Bonus points if you hit each of the (C)oin blocks exactly 2 times. Disallowed Hard coding the command sequence in any way. Your favorite "One character language" that happens to do exactly one thing,…
Ivo Wetzel
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10 answers

Code Golf: Code 39 Bar Code

The challenge The shortest code by character count to draw an ASCII representation of a Code 39 bar code. Wikipedia article about Code 39: http://en.wikipedia.org/wiki/Code_39 Input The input will be a string of legal characters for Code 39 bar…
gwell
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9 answers

Code Golf: Diamond Blackjack

The challenge The shortest code by character count to output a best-case blackjack hand from the list of number-cards given. Input is a list of numbers from 1 to 10 (inclusive) separated by space. Output will be the best blackjack hand formed from…
LiraNuna
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18 answers

Code Golf: Mathematical expression evaluator (that respects PEMDAS)

I challenge you to write a mathematical expression evaluator that respects PEMDAS (order of operations: parentheses, exponentiation, multiplication, division, addition, subtraction) without using regular expressions, a pre-existing "Eval()"-like…
gary
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45 answers

Code Golf: Print the entire "12 Days of Christmas" song in the fewest lines of code

Print all 12 verses of the popular holiday song. By 12 verses I mean the repetition of each line as is sung in the song, ie Verse One: On the first day of Christmas my true love gave to me a partridge in a pear tree. Verse Two On the second day of…
fizzer
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6 answers

Code Golf: draw ascii art stars

Since this week noone has posted a code-golf challenge, I'll give it a try. I do it so you can do something other than playing with swords during those long compile cycles. The challenge: Draw ASCII art stars, given three numbers on standard input…
ninjalj
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14 answers

Code Golf: Calculate Orthodox Easter date

The Challenge Calculate the Date of the Greek Orthodox Easter (http://www.timeanddate.com/holidays/us/orthodox-easter-day) Sunday in a given Year (1900-2100) using the least amount of characters. Input is just a year in the form '2010'. It's not…
Tokk
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10 answers

Code Golf: Zigzag pattern scanning

The Challenge The shortest code by character count that takes a single input integer N (N >= 3) and returns an array of indices that when iterated would traverse an NxN matrix according to the JPEG "zigzag" scan pattern. The following is an example…
fbrereto
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7 answers

Code Golf: Word Search Solver

Note: This is my first Code Golf challenge/question, so I might not be using the correct format below. I'm not really sure how to tag this particular question, and should this be community wiki? Thanks! This Code Golf challenge is about solving word…
Maxim Zaslavsky
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15 answers

Code Golf: Pig Latin

Challenge: Take a sentence of input of any length and convert all the words in that sentence to pig latin. If you do not know what pig latin is please read Wikipedia: Pig Latin. Specifications: Assume all words are separated by spaces and all…
thyrgle
23
votes
12 answers

Code Golf: Lights out

The challenge The shortest code by character count to solve the input lights out board. The lights out board is a 2d square grid of varying size composed of two characters - . for a light that is off and * for a light that is on. To solve the board,…
LiraNuna
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13 answers

Code Golf: Diamond Pattern

The challenge The shortest code by character count to output a a pattern of diamonds according to the input. The input is composed of 3 positive numbers representing the size of the diamond and the size of the grid. A diamond is made from the ASCII…
LiraNuna
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9 answers

Code Golf: Phone Number to Words

Guidelines for code-golf on SO We've all seen phone numbers that are put into words: 1-800-BUY-MORE, etc. What is the shortest amount of code you can write that will produce all the possible combinations of words for a 7 digit US phone number. …
Nick Hodges
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