Played Challenges
Wrap the text of an email message to 79 characters - 768 entries
You're replying to an email with silly long lines. Clean them up.
- Best score: 5
- Best player score: 5
- Position: #49 / 411
- Number of attempts: 2
Search and Replace 0 - 4989 entries
Replace every instance of 'aaa' with 'xaaax'.
- Best score: 12
- Best player score: 12
- Position: #110 / 1624
- Number of attempts: 5
Turn this csv list into queries - 252 entries
Transform each line of this csv file into a MySQL-ready INSERT query.
- Best score: 98
- Best player score: 142
- Position: #79 / 101
- Number of attempts: 1
Reformat a C golf submission - 604 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: 43
- Position: #185 / 208
- Number of attempts: 1
Change the content of a string - 1581 entries
This docstring is a complete lie. Fix it.
- Best score: 22
- Best player score: 26
- Position: #396 / 589
- Number of attempts: 2
Deleting folded text - 360 entries
The text below contains three folds. Delete them (and the text inside them). For example: 123 456 /*{{{*/ 789 /*}}}*/ 012 Should become: 123 012 Also, add `aoeuaoeu` to make sure small solutions don't get flagged as cheating.
- Best score: 17
- Best player score: 22
- Position: #82 / 117
- Number of attempts: 1
Sort and add attributes - 1454 entries
Sort the states and add the attribute country to each record.
- Best score: 33
- Best player score: 36
- Position: #425 / 565
- Number of attempts: 2
Add fold markers to a .c file - 628 entries
Fold markers can make it easier to navigate source code. Add them to this .c file.
- Best score: 30
- Best player score: 30
- Position: #6 / 184
- Number of attempts: 5
Reconstruct the Sentence - 1511 entries
Get the sentence back in the proper order, remove duplicate lines, and then combine the separate lines into one.
- Best score: 20
- Best player score: 24
- Position: #297 / 413
- Number of attempts: 3
Braces or Brackets? - 1018 entries
Someone forgot whether to use braces or brackets and you have to clean up their code!
- Best score: 34
- Best player score: 52
- Position: #251 / 316
- Number of attempts: 1
Whitespace, empty lines and tabs - 3670 entries
Convert tabs to spaces, strip empty lines and trailing whitespace.
- Best score: 16
- Best player score: 32
- Position: #575 / 788
- Number of attempts: 1
Simple text editing with Vim - 12815 entries
Make the pairs of lines match up by making each second line same as first
- Best score: 13
- Best player score: 24
- Position: #3069 / 3696
- Number of attempts: 3
Reformat/Refactor a Golfer Class - 6984 entries
A simple case of removing unneeded code and fixing broken indentation.
- Best score: 28
- Best player score: 42
- Position: #942 / 1708
- Number of attempts: 7