Played Challenges
Swap function parameters and delete all comments in python. - 261 entries
Swap function parameters and delete all comments in python.
- Best score: 19
- Best player score: 19
- Position: #9 / 70
- Number of attempts: 8
Delete the last function argument in python. - 229 entries
Delete the last function argument in this python script.
- Best score: 6
- Best player score: 6
- Position: #32 / 89
- Number of attempts: 1
Flip All Bits - 171 entries
Perform a bitwise NOT operation on each bit, meaning that bits that are 0 become 1, and those that are 1 become 0.
- Best score: 26
- Best player score: 44
- Position: #28 / 52
- Number of attempts: 5
Find the devices that have no revoked time, and extract out the duration left on their leases. - 123 entries
Extract non-revoked devices and the duration of their leases.
- Best score: 50
- Best player score: 60
- Position: #12 / 37
- Number of attempts: 12
From brakets to parens - 1156 entries
This is one of the most common problem when you wrap an array for error handling. Vim is useful when you convert foo[i][j][k] into foo(i, j, k) for many times.
- Best score: 24
- Best player score: 28
- Position: #93 / 251
- Number of attempts: 5
Create json from a .env file - 1593 entries
A simple everyday task.
- Best score: 39
- Best player score: 54
- Position: #142 / 381
- Number of attempts: 4
Reordering properties - 1257 entries
Arrange the CSS lines for the #topbar selector based on their complete line length, from shortest to longest.
- Best score: 24
- Best player score: 58
- Position: #94 / 281
- Number of attempts: 2
Sort and Tag - 688 entries
The goal is to sort these lines alphabetically, assign a unique identifier to each line in the format "[01]", "[02]", etc., and then restore the original order of the lines while preserving the assigned identifiers.
- Best score: 36
- Best player score: 72
- Position: #58 / 146
- Number of attempts: 3
YAML to dotenv - 1555 entries
Convert this YAML config file to a .env file.
- Best score: 16
- Best player score: 21
- Position: #120 / 320
- Number of attempts: 8
Rearrange array to single level - 1797 entries
The goal is to flatten the array into a single list and remove any empty elements.
- Best score: 14
- Best player score: 22
- Position: #104 / 301
- Number of attempts: 4
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