Played Challenges
Search and Replace 0 - 5004 entries
Replace every instance of 'aaa' with 'xaaax'.
- Best score: 12
- Best player score: 12
- Position: #181 / 1630
- Number of attempts: 4
abcd > a b c d - 297 entries
transform the single spaces into 4 spaces repeat for each line
- Best score: 15
- Best player score: 15
- Position: #26 / 226
- Number of attempts: 2
lamb had a little Mary - 630 entries
"Mary" and "lamb" are swapped. Unswap them. Fast as you can.
- Best score: 16
- Best player score: 38
- Position: #110 / 171
- Number of attempts: 2
A Simple One - 1057 entries
Here is a very simple one - just to illustrate/introduce a vim feature that some people seem to miss...
- Best score: 9
- Best player score: 9
- Position: #27 / 667
- Number of attempts: 1
Round Round - 321 entries
Round Round
- Best score: 19
- Best player score: 85
- Position: #59 / 88
- Number of attempts: 1
82 bottles of beer on the wall - 313 entries
Take them down. (sorry, only 82 bottles because the problem size is limited!)
- Best score: 106
- Best player score: 159
- Position: #123 / 146
- Number of attempts: 1
Reverse Simple Deletion - 854 entries
You did the simple deletion, now reverse it.
- Best score: 11
- Best player score: 12
- Position: #258 / 460
- Number of attempts: 4
Indentation - 550 entries
Indent each line according to the right number of spaces it needs.
- Best score: 20
- Best player score: 30
- Position: #104 / 180
- Number of attempts: 1
Almost encrypted - 204 entries
Convert the first paragraph to be even less readable.
- Best score: 5
- Best player score: 5
- Position: #94 / 146
- Number of attempts: 1
Sort and add attributes - 1477 entries
Sort the states and add the attribute country to each record.
- Best score: 33
- Best player score: 34
- Position: #307 / 575
- Number of attempts: 1
Braces or Brackets? - 1056 entries
Someone forgot whether to use braces or brackets and you have to clean up their code!
- Best score: 34
- Best player score: 55
- Position: #277 / 325
- Number of attempts: 1