Played Challenges
Rearrange array to single level - 1396 entries
The goal is to flatten the array into a single list and remove any empty elements.
- Best score: 14
- Best player score: 19
- Position: #46 / 229
- Number of attempts: 4
Rearrange array to one line - 667 entries
Rearrange the array content on only one line, and remove trailing commas
- Best score: 13
- Best player score: 13
- Position: #6 / 161
- Number of attempts: 8
Copy punctuation - 521 entries
I want to copy the last line’s brackets, quotes, and commas to each line. How?
- Best score: 19
- Best player score: 19
- Position: #5 / 133
- Number of attempts: 12
Deleting text - 257 entries
Delete everything except some specific numbers.
- Best score: 26
- Best player score: 49
- Position: #66 / 84
- Number of attempts: 1
Hex to binary - 91 entries
Convert hexadecimal numbers into binary format.
- Best score: 29
- Best player score: 32
- Position: #6 / 19
- Number of attempts: 13
Format a long line - 88 entries
Reformat long lines (gq), textwidth=78, no trailing spaces.
- Best score: 17
- Best player score: 18
- Position: #8 / 27
- Number of attempts: 6
Find anomalies - 151 entries
There is one special character per line
- Best score: 30
- Best player score: 40
- Position: #22 / 41
- Number of attempts: 7
New teacher - 1101 entries
Update the details of the new CS teacher.
- Best score: 19
- Best player score: 19
- Position: #11 / 236
- Number of attempts: 11
Replace word while reserving first letter case - 620 entries
Window -> Door window -> door Windows -> Windows windows -> windows
- Best score: 24
- Best player score: 41
- Position: #87 / 120
- Number of attempts: 3
months to html list items - 1042 entries
Turn the months into list items.
- Best score: 22
- Best player score: 22
- Position: #40 / 284
- Number of attempts: 11
Quicksort - 2002 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: 24
- Position: #255 / 440
- Number of attempts: 2
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: 112
- Position: #41 / 83
- Number of attempts: 2
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: #34 / 87
- Number of attempts: 13
Populate 3D bone names list - 633 entries
Ran into this at work, excited to see how this gets optimized
- Best score: 21
- Best player score: 22
- Position: #47 / 163
- Number of attempts: 10
Find fix point of cos - 1408 entries
Write a function to find the fix point of cos. It is not a good code; It is just to use vim. Inspired by the excellent https://mvanier.livejournal.com/2897.html about the Y combinator.
- Best score: 14
- Best player score: 14
- Position: #68 / 418
- Number of attempts: 4
Swap values inside brackets - 2511 entries
Easy challenge.
- Best score: 13
- Best player score: 14
- Position: #110 / 583
- Number of attempts: 6
Extract argument from function - 2364 entries
The aim is to see if you can do some refactoring very fast.
- Best score: 13
- Best player score: 13
- Position: #271 / 755
- Number of attempts: 7