Played Challenges
Quicksort - 1962 entries
We need the numbers in the first row sorted as quickly as possible! Be careful not to disturb the data below the divider though: that must remain unchanged.
- Best score: 6
- Best player score: 6
- Position: #7 / 431
- Number of attempts: 8
Tic-Tac-Toe Grid Transformation - 396 entries
Your mission is to efficiently convert the original Tic-Tac-Toe grid, represented by 'x's and 'o's, into a neat and well-organized game board.
- Best score: 56
- Best player score: 187
- Position: #71 / 83
- Number of attempts: 1
Pick and sort servers from mirror list - 431 entries
Retrieve the primary server for each country from a mirror list file and organize them alphabetically by country name. Given a mirror list file containing server information for various countries, the objective is to extract the primary server from each country and then arrange these servers in alphabetical order based on the respective country names.
- Best score: 28
- Best player score: 30
- Position: #27 / 87
- Number of attempts: 8
Populate 3D bone names list - 629 entries
Ran into this at work, excited to see how this gets optimized
- Best score: 21
- Best player score: 22
- Position: #43 / 162
- Number of attempts: 6
Remove line numbers - 736 entries
From http://web.archive.org/web/20140831121704/http://dirac.org/linux/gdb/02a-Memory_Layout_And_The_Stack.php#investigatingthestackwithgdb.
- Best score: 9
- Best player score: 12
- Position: #24 / 198
- Number of attempts: 5
Insert column data on Confluence-style table - 458 entries
Add ip addresses into new "IP" column based on the last digits from the "Server" column
- Best score: 33
- Best player score: 97
- Position: #95 / 109
- Number of attempts: 1
Surround the 'z' character with brackets, quotes, and print as formatted string. - 554 entries
Surround the 'z' character with brackets, quotes, and print as formatted string.
- Best score: 17
- Best player score: 17
- Position: #136 / 309
- Number of attempts: 1
Paste a column after a column - 2537 entries
This task is very common while using multi-cursor. What is the elegant vim way ?
- Best score: 14
- Best player score: 15
- Position: #110 / 553
- Number of attempts: 8
Filter number combinations that don't add to 11 - 408 entries
Append the sum of each line to its end, alongside an equals sign, and remove any that do not sum to 11. The ordering of lines should stay the same. Note that the combinations are semi-arbitrary and not all 4-number combinations are present in the file.
- Best score: 27
- Best player score: 27
- Position: #27 / 117
- Number of attempts: 5
Tabbed Table to Python Array - 734 entries
Not payed by the hour? So make it fast ;-) The table contains the relative occurencies of bigrams (two consecutive letters) in 1/100,000 in the german language, copy-pasted from http://www.mathe.tu-freiberg.de/~hebisch/cafe/kryptographie/bigramme.html
- Best score: 50
- Best player score: 50
- Position: #3 / 179
- Number of attempts: 14
HS exam question - 1589 entries
Convert the data to a python dictionary
- Best score: 47
- Best player score: 60
- Position: #123 / 417
- Number of attempts: 3
Alex Pepper
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