Played Challenges
Search and Replace 0 - 5007 entries
Replace every instance of 'aaa' with 'xaaax'.
- Best score: 12
- Best player score: 12
- Position: #14 / 1631
- Number of attempts: 10
Reverse Simple Deletion - 857 entries
You did the simple deletion, now reverse it.
- Best score: 11
- Best player score: 12
- Position: #73 / 461
- Number of attempts: 2
Reformat a C golf submission - 614 entries
Take this C golf submission (for the "tiny but standards-compliant Hello World program" category, naturally), and turn it into formatted C code.
- Best score: 22
- Best player score: 79
- Position: #207 / 210
- Number of attempts: 2
Whitespace, empty lines and tabs - 3795 entries
Convert tabs to spaces, strip empty lines and trailing whitespace.
- Best score: 16
- Best player score: 28
- Position: #482 / 816
- Number of attempts: 1