Active Challenges

This table shows the most active challenges. The number of entries is taken as the number of submissions, passed or failed, for all users in the past week.

99 Bottles Of Beer
Does your code sing?
24 entries in the last seven days.
Numeric Diamonds
Make some pretty diamonds for us.
24 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.
Reverse
Let's play a game ...
3 entries in the last seven days.
Saving Time
A Byte In Time Saves Nine
3 entries in the last seven days.
Crossword
Only drawing them, not solving them ... yet!
2 entries in the last seven days.
Pascal's Triangle
Not-very-geometric arrangement of the binomial coefficients in a sort-of-triangle.
2 entries in the last seven days.
Prime Factors
Work out the prime factors of a given number.
2 entries in the last seven days.
Seven-Segment Displays
Represent numbers on a seven-segment display.
1 entries in the last seven days.
Guns And Zips
Something to keep you busy
1 entries in the last seven days.

Top Golfers [View All]

View the Overall | Perl | PHP | Python | Ruby 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)

Latest Challenges [View All]

Guns And Zips
Something to keep you busy
204 days old.
Saving Time
A Byte In Time Saves Nine
570 days old.
Choose
What language will you choose?
787 days old.
Grid Computing
We're Back!
826 days old.
Tower of Hanoi
To recurse, or not to recurse, that is the question.
1064 days old.