Played Challenges
Rearrange array to single level - 1298 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: #42 / 205
- Number of attempts: 4
Rearrange array to one line - 602 entries
Rearrange the array content on only one line, and remove trailing commas
- Best score: 13
- Best player score: 13
- Position: #6 / 144
- Number of attempts: 8
Copy punctuation - 487 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 / 121
- Number of attempts: 12
Deleting text - 254 entries
Delete everything except some specific numbers.
- Best score: 26
- Best player score: 49
- Position: #65 / 81
- Number of attempts: 1
Hex to binary - 88 entries
Convert hexadecimal numbers into binary format.
- Best score: 29
- Best player score: 32
- Position: #6 / 18
- Number of attempts: 13
Format a long line - 80 entries
Reformat long lines (gq), textwidth=78, no trailing spaces.
- Best score: 17
- Best player score: 18
- Position: #8 / 26
- Number of attempts: 6
Find anomalies - 148 entries
There is one special character per line
- Best score: 30
- Best player score: 40
- Position: #22 / 39
- Number of attempts: 7
New teacher - 923 entries
Update the details of the new CS teacher.
- Best score: 19
- Best player score: 19
- Position: #11 / 194
- Number of attempts: 11
Replace word while reserving first letter case - 604 entries
Window -> Door window -> door Windows -> Windows windows -> windows
- Best score: 24
- Best player score: 41
- Position: #86 / 118
- Number of attempts: 3
months to html list items - 1010 entries
Turn the months into list items.
- Best score: 22
- Best player score: 22
- Position: #40 / 274
- Number of attempts: 11
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: 24
- Position: #251 / 431
- 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 - 629 entries
Ran into this at work, excited to see how this gets optimized
- Best score: 21
- Best player score: 22
- Position: #47 / 162
- Number of attempts: 10
Find fix point of cos - 1402 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 / 415
- Number of attempts: 4
Swap values inside brackets - 2496 entries
Easy challenge.
- Best score: 14
- Best player score: 14
- Position: #109 / 579
- Number of attempts: 6
Extract argument from function - 2357 entries
The aim is to see if you can do some refactoring very fast.
- Best score: 13
- Best player score: 13
- Position: #271 / 753
- Number of attempts: 7