All Challenges
- Saving Time
- A Byte In Time Saves Nine
- ↪ 318 days old.
- Choose
- What language will you choose?
- ↪ 535 days old.
- Grid Computing
- We're Back!
- ↪ 575 days old.
- Tower of Hanoi
- To recurse, or not to recurse, that is the question.
- ↪ 812 days old.
- Musical Score
- Teach your computer to read music.
- ↪ 848 days old.
- Roman to Decimal
- Lazy Cows Don't Moo.
- ↪ 880 days old.
- Bob Ross' The Joy of ASCII Art
- Forget mountains, the future is ASCII Art.
- ↪ 903 days old.
- Polynomial Division
- Because algebra is fun!
- ↪ 908 days old.
- Reverse
- Let's play a game ...
- ↪ 939 days old.
- Seven-Segment Displays
- Represent numbers on a seven-segment display.
- ↪ 952 days old.
- Dancing Queens
- How many moves can the queens make?
- ↪ 966 days old.
- Conway's Game of Life
- I, for one, welcome our new cellular automaton overlords.
- ↪ 980 days old.
- Switchboard
- Can you sort out the mess?
- ↪ 987 days old.
- Paint By Numbers
- aka Nonograms, Crucipixel, Logic Art or a million other names.
- ↪ 998 days old.
- Oblongular Number Spirals
- Oblongular *is* a word ...
- ↪ 1011 days old.
- 1,000 Digits Of Pi
- Calculate the first 1,000 digits of Pi.
- ↪ 1020 days old.
- Vigenere Cipher
- Or should that be the Belaso Cipher?
- ↪ 1026 days old.
- Prime Factors
- Work out the prime factors of a given number.
- ↪ 1037 days old.
- Total Triangles
- Find the best scoring path through the triangle.
- ↪ 1044 days old.
- SHA-256 Hashing
- Implement the SHA-256 Hashing Algorithm.
- ↪ 1053 days old.
- Pascal's Triangle
- Not-very-geometric arrangement of the binomial coefficients in a sort-of-triangle.
- ↪ 1059 days old.
- Brainfuck
- And you thought Perl looks like line noise ...
- ↪ 1066 days old.
- Calendar
- Why buy calendars, when you can make your own?
- ↪ 1073 days old.
- Crossword
- Only drawing them, not solving them ... yet!
- ↪ 1083 days old.
- Home On The Range
- It's as simple as "1 2 3 5 6 8" => "1-3, 5-6, 8."
- ↪ 1083 days old.
- Numeric Diamonds
- Make some pretty diamonds for us.
- ↪ 1090 days old.
- 99 Bottles Of Beer
- Does your code sing?
- ↪ 1135 days old.