Played Challenges
Remove adjacent duplicates - 727 entries
Try to find a way to remove adjacent duplicate letters.
- Best score: 19
- Best player score: 23
- Position: #85 / 182
- Number of attempts: 1
Rearrange array to single level - 1829 entries
The goal is to flatten the array into a single list and remove any empty elements.
- Best score: 14
- Best player score: 14
- Position: #15 / 307
- Number of attempts: 11
Deleting text - 350 entries
Delete everything except some specific numbers.
- Best score: 26
- Best player score: 45
- Position: #54 / 113
- Number of attempts: 3
New teacher - 1527 entries
Update the details of the new CS teacher.
- Best score: 19
- Best player score: 24
- Position: #124 / 319
- Number of attempts: 5
lamb had a little Mary - 659 entries
"Mary" and "lamb" are swapped. Unswap them. Fast as you can.
- Best score: 16
- Best player score: 38
- Position: #128 / 179
- Number of attempts: 5
Stairs Indenting - 502 entries
Indent each line with <line number> whitespaces.
- Best score: 12
- Best player score: 34
- Position: #198 / 202
- Number of attempts: 1
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