Played Challenges
Word completion - 15 entries
Try to complete these options within 20 keystrokes.
- Best score: 20
- Best player score: 96
- Position: #5 / 9
- Number of attempts: 4
Fix timezone format - 61 entries
Add the missing T and Z in the datetime field. There should be a T instead of the space, and a Z at the end of the datetime. `2024-08-31 18:32:00;` -> `2024-08-31T18:32:00Z;`
- Best score: 15
- Best player score: 17
- Position: #18 / 21
- Number of attempts: 5
Search different SQL column with similar where clause - 35 entries
Replace a column in the where clause and convert all numbers from text to numeric, by replacing the leading 0 with the code 359.
- Best score: 22
- Best player score: 23
- Position: #4 / 14
- Number of attempts: 4
Remove adjacent duplicates - 278 entries
Try to find a way to remove adjacent duplicate letters.
- Best score: 19
- Best player score: 21
- Position: #12 / 76
- Number of attempts: 6
Move to corresponding lines - 155 entries
Move the values to the corresponding lines.
- Best score: 16
- Best player score: 18
- Position: #8 / 38
- Number of attempts: 11
Rearrange array to single level - 965 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: #43 / 164
- Number of attempts: 4
Rearrange array to one line - 448 entries
Rearrange the array content on only one line, and remove trailing commas
- Best score: 13
- Best player score: 18
- Position: #35 / 116
- Number of attempts: 4
Copy punctuation - 398 entries
I want to copy the last line’s brackets, quotes, and commas to each line. How?
- Best score: 19
- Best player score: 30
- Position: #40 / 95
- Number of attempts: 3
Replace word while reserving first letter case - 563 entries
Window -> Door window -> door Windows -> Windows windows -> windows
- Best score: 24
- Best player score: 54
- Position: #98 / 113
- Number of attempts: 1
Quicksort - 1838 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: #19 / 403
- Number of attempts: 7
EDN reformat - 1102 entries
The goal is to make the code more readable and concise while maintaining its functionality.
- Best score: 17
- Best player score: 18
- Position: #29 / 154
- Number of attempts: 13
Tic-Tac-Toe Grid Transformation - 381 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: 71
- Position: #21 / 82
- Number of attempts: 13