Played Challenges
Fix timezone format - 225 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: 15
- Position: #8 / 75
- Number of attempts: 8
Search different SQL column with similar where clause - 168 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: #15 / 45
- Number of attempts: 4
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: 188
- Position: #200 / 205
- Number of attempts: 1
Deleting text - 254 entries
Delete everything except some specific numbers.
- Best score: 26
- Best player score: 45
- Position: #38 / 81
- Number of attempts: 1
Define Gray code states - 36 entries
List the states using Gray code and assign Gray code values to each state.
- Best score: 56
- Best player score: 124
- Position: #11 / 11
- Number of attempts: 2
New teacher - 923 entries
Update the details of the new CS teacher.
- Best score: 19
- Best player score: 24
- Position: #63 / 194
- Number of attempts: 5
months to html list items - 1010 entries
Turn the months into list items.
- Best score: 22
- Best player score: 22
- Position: #22 / 274
- Number of attempts: 14
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: 239
- Position: #79 / 83
- Number of attempts: 2
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: 31
- Position: #99 / 162
- Number of attempts: 2