Played Challenges
Sort and Tag - 422 entries
The goal is to sort these lines alphabetically, assign a unique identifier to each line in the format "[01]", "[02]", etc., and then restore the original order of the lines while preserving the assigned identifiers.
- Best score: 7
- Best player score: 40
- Position: #18 / 90
- Number of attempts: 8
Changing date formats - 432 entries
Change the date format to Y/M/D.
- Best score: 37
- Best player score: 85
- Position: #77 / 134
- Number of attempts: 2
YAML to dotenv - 920 entries
Convert this YAML config file to a .env file.
- Best score: 16
- Best player score: 23
- Position: #89 / 202
- Number of attempts: 6
Change to ascending order - 349 entries
Change each line of numbers consistently from descending to ascending order.
- Best score: 17
- Best player score: 42
- Position: #38 / 92
- Number of attempts: 7
Swap columns and transform to CSV format - 310 entries
Turn this spreadsheet output into a CSV file but first swap the columns
- Best score: 16
- Best player score: 17
- Position: #25 / 114
- Number of attempts: 2
Generate an entry for each month - 237 entries
The input file contains a URI with a month in it. Generate the URIs for all the other months up to a couple of years
- Best score: 27
- Best player score: 36
- Position: #16 / 67
- Number of attempts: 6
Fix the git merge conflicts - 214 entries
Solve the merge conflicts in the Python file
- Best score: 36
- Best player score: 42
- Position: #8 / 61
- Number of attempts: 12
Nested JSON Flattener - 78 entries
Transform a deeply nested JSON structure into a flattened key-value format where each path is represented by dot notation
- Best score: 44
- Best player score: 141
- Position: #19 / 22
- Number of attempts: 6
Replace markdown sections with numbering - 205 entries
Replace each section and subsection with their respective numbers
- Best score: 29
- Best player score: 45
- Position: #16 / 61
- Number of attempts: 7
Markdown Blog Editing - 370 entries
Convert the given link text in start file to a markdown link list.
- Best score: 30
- Best player score: 52
- Position: #55 / 86
- Number of attempts: 5
Word completion - 233 entries
Try to complete these options within 20 keystrokes.
- Best score: 20
- Best player score: 96
- Position: #40 / 63
- Number of attempts: 4
Fix timezone format - 295 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: #46 / 95
- Number of attempts: 5
Search different SQL column with similar where clause - 265 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: #18 / 60
- Number of attempts: 4
Remove adjacent duplicates - 571 entries
Try to find a way to remove adjacent duplicate letters.
- Best score: 19
- Best player score: 21
- Position: #32 / 149
- Number of attempts: 6
Move to corresponding lines - 267 entries
Move the values to the corresponding lines.
- Best score: 16
- Best player score: 18
- Position: #9 / 62
- Number of attempts: 11
Rearrange array to single level - 1515 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: #66 / 251
- Number of attempts: 4
Rearrange array to one line - 717 entries
Rearrange the array content on only one line, and remove trailing commas
- Best score: 13
- Best player score: 18
- Position: #58 / 172
- Number of attempts: 4
Copy punctuation - 591 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: #49 / 147
- Number of attempts: 3
Replace word while reserving first letter case - 636 entries
Window -> Door window -> door Windows -> Windows windows -> windows
- Best score: 24
- Best player score: 54
- Position: #107 / 122
- Number of attempts: 1
Quicksort - 2036 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 / 451
- Number of attempts: 7
EDN reformat - 1175 entries
The goal is to make the code more readable and concise while maintaining its functionality.
- Best score: 17
- Best player score: 18
- Position: #30 / 167
- Number of attempts: 13
Tic-Tac-Toe Grid Transformation - 413 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: #23 / 85
- Number of attempts: 13