Played Challenges
Sort and Tag - 1 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: 59
- Best player score: 59
- Position: #1 / 1
- Number of attempts: 1
Changing date formats - 74 entries
Change the date format to Y/M/D.
- Best score: 37
- Best player score: 86
- Position: #18 / 28
- Number of attempts: 1
Change to ascending order - 139 entries
Change each line of numbers consistently from descending to ascending order.
- Best score: 17
- Best player score: 152
- Position: #34 / 39
- Number of attempts: 1
Change readonly files - 33 entries
Try to write a file that was marked as read-only.
- Best score: 20
- Best player score: 64
- Position: #12 / 12
- Number of attempts: 1
Append leading hyphen count to each line - 47 entries
Append the number of leading hyphens to the end of each line.
- Best score: 23
- Best player score: 60
- Position: #14 / 14
- Number of attempts: 1
Word completion - 185 entries
Try to complete these options within 20 keystrokes.
- Best score: 20
- Best player score: 51
- Position: #25 / 51
- Number of attempts: 1
Remove adjacent duplicates - 445 entries
Try to find a way to remove adjacent duplicate letters.
- Best score: 19
- Best player score: 40
- Position: #92 / 117
- Number of attempts: 1
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: 43
- Position: #176 / 205
- Number of attempts: 1
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: 28
- Position: #28 / 121
- Number of attempts: 1
Deleting text - 254 entries
Delete everything except some specific numbers.
- Best score: 26
- Best player score: 39
- Position: #10 / 81
- Number of attempts: 1
Case matching substitution - 55 entries
Swap every "lorem" for "ipsum", keeping the letter cases the same.
- Best score: 31
- Best player score: 45
- Position: #9 / 15
- 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: 118
- Position: #10 / 11
- Number of attempts: 1
Hex to binary - 88 entries
Convert hexadecimal numbers into binary format.
- Best score: 29
- Best player score: 39
- Position: #11 / 18
- Number of attempts: 1
Count words - 62 entries
Merge duplicates and count each word.
- Best score: 39
- Best player score: 212
- Position: #13 / 17
- Number of attempts: 1
String decompression - 31 entries
3a4b2c => aaabbbbcc. Start a new line when you exceed 79 columns.
- Best score: 27
- Best player score: 64
- Position: #11 / 11
- Number of attempts: 1
Reverse even lines - 33 entries
Reverse only the even lines without altering the odd lines.
- Best score: 7
- Best player score: 16
- Position: #8 / 12
- Number of attempts: 1
Format a long line - 80 entries
Reformat long lines (gq), textwidth=78, no trailing spaces.
- Best score: 17
- Best player score: 180
- Position: #23 / 26
- Number of attempts: 1
Find anomalies - 148 entries
There is one special character per line
- Best score: 30
- Best player score: 31
- Position: #14 / 39
- Number of attempts: 1
Coordinate extraction - 55 entries
Get the coordinates of all "M"s from the Vim logo
- Best score: 43
- Best player score: 51
- Position: #10 / 16
- Number of attempts: 1
Morse - 148 entries
Translate Morse code to Text
- Best score: 31
- Best player score: 69
- Position: #20 / 33
- Number of attempts: 1
Contributed Challenges
Change readonly files - 33 entries
Try to write a file that was marked as read-only.
Morse - 148 entries
Translate Morse code to Text
Coordinate extraction - 55 entries
Get the coordinates of all "M"s from the Vim logo
String decompression - 31 entries
3a4b2c => aaabbbbcc. Start a new line when you exceed 79 columns.
Find anomalies - 148 entries
There is one special character per line
Format a long line - 80 entries
Reformat long lines (gq), textwidth=78, no trailing spaces.
Reverse even lines - 33 entries
Reverse only the even lines without altering the odd lines.
Count words - 62 entries
Merge duplicates and count each word.
Hex to binary - 88 entries
Convert hexadecimal numbers into binary format.
Define Gray code states - 36 entries
List the states using Gray code and assign Gray code values to each state.
Case matching substitution - 55 entries
Swap every "lorem" for "ipsum", keeping the letter cases the same.
Deleting text - 254 entries
Delete everything except some specific numbers.
Copy punctuation - 487 entries
I want to copy the last line’s brackets, quotes, and commas to each line. How?
Rearrange array to single level - 1298 entries
The goal is to flatten the array into a single list and remove any empty elements.
Remove adjacent duplicates - 445 entries
Try to find a way to remove adjacent duplicate letters.
Word completion - 185 entries
Try to complete these options within 20 keystrokes.
Change to ascending order - 139 entries
Change each line of numbers consistently from descending to ascending order.
Append leading hyphen count to each line - 47 entries
Append the number of leading hyphens to the end of each line.
Changing date formats - 74 entries
Change the date format to Y/M/D.
Sort and Tag - 1 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.