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All Challenges
- Guns And Zips
- Something to keep you busy
- ↪ 203 days old.
- Saving Time
- A Byte In Time Saves Nine
- ↪ 569 days old.
- Choose
- What language will you choose?
- ↪ 786 days old.
- Grid Computing
- We're Back!
- ↪ 825 days old.
- Tower of Hanoi
- To recurse, or not to recurse, that is the question.
- ↪ 1063 days old.
- Musical Score
- Teach your computer to read music.
- ↪ 1098 days old.
- Roman to Decimal
- Lazy Cows Don't Moo.
- ↪ 1130 days old.
- Bob Ross' The Joy of ASCII Art
- Forget mountains, the future is ASCII Art.
- ↪ 1154 days old.
- Polynomial Division
- Because algebra is fun!
- ↪ 1159 days old.
- Reverse
- Let's play a game ...
- ↪ 1189 days old.
- Seven-Segment Displays
- Represent numbers on a seven-segment display.
- ↪ 1203 days old.
- Dancing Queens
- How many moves can the queens make?
- ↪ 1217 days old.
- Conway's Game of Life
- I, for one, welcome our new cellular automaton overlords.
- ↪ 1231 days old.
- Switchboard
- Can you sort out the mess?
- ↪ 1238 days old.
- Paint By Numbers
- aka Nonograms, Crucipixel, Logic Art or a million other names.
- ↪ 1248 days old.
- Oblongular Number Spirals
- Oblongular *is* a word ...
- ↪ 1262 days old.
- 1,000 Digits Of Pi
- Calculate the first 1,000 digits of Pi.
- ↪ 1270 days old.
- Vigenere Cipher
- Or should that be the Belaso Cipher?
- ↪ 1277 days old.
- Prime Factors
- Work out the prime factors of a given number.
- ↪ 1288 days old.
- Total Triangles
- Find the best scoring path through the triangle.
- ↪ 1295 days old.
- SHA-256 Hashing
- Implement the SHA-256 Hashing Algorithm.
- ↪ 1303 days old.
- Pascal's Triangle
- Not-very-geometric arrangement of the binomial coefficients in a sort-of-triangle.
- ↪ 1309 days old.
- Brainfuck
- And you thought Perl looks like line noise ...
- ↪ 1317 days old.
- Calendar
- Why buy calendars, when you can make your own?
- ↪ 1323 days old.
- Crossword
- Only drawing them, not solving them ... yet!
- ↪ 1333 days old.
- Home On The Range
- It's as simple as "1 2 3 5 6 8" => "1-3, 5-6, 8."
- ↪ 1334 days old.
- Numeric Diamonds
- Make some pretty diamonds for us.
- ↪ 1340 days old.
- 99 Bottles Of Beer
- Does your code sing?
- ↪ 1386 days old.
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leaderboard.
| Rank |
User |
Score [?] |
| 1st |
shinh |
257,228 (28 challenges) |
| 2nd |
flagitious |
253,693 (28 challenges) |
| 3rd |
ySas |
244,826 (27 challenges) |
| 4th |
kounoike |
229,243 (27 challenges) |
| 5th |
0xF |
221,516 (28 challenges) |
| 6th |
yvl |
221,311 (28 challenges) |
| 7th |
ozy4dm |
207,821 (27 challenges) |
| 8th |
Mark Byers |
204,056 (28 challenges) |
| 9th |
ott |
184,075 (23 challenges) |
| 10th |
hallvabo |
183,590 (27 challenges) |
Active Challenges [View All]
- 99 Bottles Of Beer
- Does your code sing?
- ↪ 27 entries in the last seven days.
- Conway's Game of Life
- I, for one, welcome our new cellular automaton overlords.
- ↪ 23 entries in the last seven days.
- Tower of Hanoi
- To recurse, or not to recurse, that is the question.
- ↪ 8 entries in the last seven days.
- Vigenere Cipher
- Or should that be the Belaso Cipher?
- ↪ 4 entries in the last seven days.
- Saving Time
- A Byte In Time Saves Nine
- ↪ 3 entries in the last seven days.
