Played Challenges
Even and Odd - 255 entries
separate the even numbers from the odd numbers
- Best score: 13
- Best player score: 17
- Position: #26 / 56
- Number of attempts: 5
Modifying .XCompose - 68 entries
You just wrote some lines in .XCompose, but now you want the compose sequences to be more verbose. Change the compose sequence for each Greek letter to its name.
- Best score: 33
- Best player score: 33
- Position: #5 / 17
- Number of attempts: 6
hexagram binary tree - 101 entries
generate the binary tree that represents all possible hexagrams found in the book of changes (易经)
- Best score: 24
- Best player score: 30
- Position: #11 / 24
- Number of attempts: 6
Swap function parameters and delete all comments in python. - 956 entries
Swap function parameters and delete all comments in python.
- Best score: 19
- Best player score: 25
- Position: #111 / 235
- Number of attempts: 3
Delete the last function argument in python. - 649 entries
Delete the last function argument in this python script.
- Best score: 6
- Best player score: 7
- Position: #164 / 233
- Number of attempts: 1
Flip All Bits - 401 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: 34
- Position: #34 / 123
- Number of attempts: 5
Find the devices that have no revoked time, and extract out the duration left on their leases. - 212 entries
Extract non-revoked devices and the duration of their leases.
- Best score: 50
- Best player score: 72
- Position: #26 / 53
- Number of attempts: 4
Convert list of enums to list of localization terms - 228 entries
While making my game Piloteer, I had a large list of TaskTypes and needed to convert them to an equivalent list of localization terms, to be used when translating the game's text into different languages.
- Best score: 75
- Best player score: 103
- Position: #22 / 69
- Number of attempts: 2
From brakets to parens - 1306 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: 25
- Position: #39 / 295
- Number of attempts: 9
π - 327 entries
1200 π chars
- Best score: 16
- Best player score: 22
- Position: #47 / 80
- Number of attempts: 6
Create json from a .env file - 1716 entries
A simple everyday task.
- Best score: 38
- Best player score: 42
- Position: #70 / 416
- Number of attempts: 4
Reordering properties - 1372 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: 39
- Position: #51 / 298
- Number of attempts: 8
Sort and Tag - 737 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: 86
- Position: #78 / 156
- Number of attempts: 4
Sort and add attributes - 1598 entries
Sort the states and add the attribute country to each record.
- Best score: 33
- Best player score: 39
- Position: #560 / 617
- Number of attempts: 1
Braces or Brackets? - 1209 entries
Someone forgot whether to use braces or brackets and you have to clean up their code!
- Best score: 34
- Best player score: 49
- Position: #252 / 365
- Number of attempts: 1
Whitespace, empty lines and tabs - 4054 entries
Convert tabs to spaces, strip empty lines and trailing whitespace.
- Best score: 16
- Best player score: 22
- Position: #372 / 866
- Number of attempts: 8
Simple text editing with Vim - 13645 entries
Make the pairs of lines match up by making each second line same as first
- Best score: 13
- Best player score: 14
- Position: #2136 / 3907
- Number of attempts: 6
Reformat/Refactor a Golfer Class - 7694 entries
A simple case of removing unneeded code and fixing broken indentation.
- Best score: 7
- Best player score: 42
- Position: #1081 / 1893
- Number of attempts: 2
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