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.

Choose
What language will you choose?
29 entries in the last seven days.
99 Bottles Of Beer
Does your code sing?
27 entries in the last seven days.
Roman to Decimal
Lazy Cows Don't Moo.
16 entries in the last seven days.
Home On The Range
It's as simple as "1 2 3 5 6 8" => "1-3, 5-6, 8."
12 entries in the last seven days.
Prime Factors
Work out the prime factors of a given number.
12 entries in the last seven days.
Reverse
Let's play a game ...
8 entries in the last seven days.
Pascal's Triangle
Not-very-geometric arrangement of the binomial coefficients in a sort-of-triangle.
7 entries in the last seven days.
Grid Computing
We're Back!
6 entries in the last seven days.
Numeric Diamonds
Make some pretty diamonds for us.
4 entries in the last seven days.
Bob Ross' The Joy of ASCII Art
Forget mountains, the future is ASCII Art.
3 entries in the last seven days.
Brainfuck
And you thought Perl looks like line noise ...
2 entries in the last seven days.
1,000 Digits Of Pi
Calculate the first 1,000 digits of Pi.
2 entries in the last seven days.
Oblongular Number Spirals
Oblongular *is* a word ...
2 entries in the last seven days.
Switchboard
Can you sort out the mess?
2 entries in the last seven days.
Tower of Hanoi
To recurse, or not to recurse, that is the question.
2 entries in the last seven days.
Musical Score
Teach your computer to read music.
1 entries in the last seven days.

Top Golfers [View All]

View the Overall | Perl | PHP | Python | Ruby leaderboard.

Rank User Score [?]
1st shinh 239,084 (26 challenges)
2nd flagitious 236,930 (26 challenges)
3rd ySas 229,280 (26 challenges)
4th kounoike 222,651 (26 challenges)
5th yvl 199,171 (26 challenges)
6th ozy4dm 195,062 (26 challenges)
7th Mark Byers 185,310 (25 challenges)
8th irori 177,643 (23 challenges)
9th yowa 175,915 (25 challenges)
10th o0lit3 168,313 (19 challenges)

Latest Challenges [View All]

Choose
What language will you choose?
190 days old.
Grid Computing
We're Back!
230 days old.
Tower of Hanoi
To recurse, or not to recurse, that is the question.
467 days old.
Musical Score
Teach your computer to read music.
503 days old.
Roman to Decimal
Lazy Cows Don't Moo.
535 days old.