Played Challenges
Simple, Practical, and Common - 33742 entries
Simple things we do all the time should be able to be done with very few keystrokes, but sometimes I find something I need to do makes me go, "There MUST be a better way." This challenge is just a simple movement and entering text at a certain place.
- Best score: 22
- Best player score: 23
- Position: #2731 / 7447
- Number of attempts: 7
Hogwarts Email Sorting - 928 entries
Given a list of emails, get the students full name and their associated house.
- Best score: 20
- Best player score: 24
- Position: #190 / 262
- Number of attempts: 3
prepend * to every non-blank line - 6353 entries
Prepend an asterisk to every non-blank line in the input file.
- Best score: 10
- Best player score: 15
- Position: #920 / 1549
- Number of attempts: 5
One number per line - 18776 entries
Just give me the numbers.
- Best score: 14
- Best player score: 21
- Position: #2549 / 3875
- Number of attempts: 4
SCREAMING_SNAKE_CASE to Title Case - 1216 entries
Convert strings in SCREAMING_SNAKE_CASE to Title Case. Examples: EMPLOYEE_NAME -> Employee Name REVENUE_YEAR_TO_DATE -> Revenue Year To Date SALARY -> Salary
- Best score: 19
- Best player score: 31
- Position: #189 / 251
- Number of attempts: 10
Add semicolons - 10887 entries
Simply add a semicolon at the end of each line
- Best score: 10
- Best player score: 13
- Position: #2030 / 3074
- Number of attempts: 3
Com(m)a Trouble - 3880 entries
Someone was real stupid when placing his commas. Can you fix it?
- Best score: 12
- Best player score: 13
- Position: #292 / 878
- Number of attempts: 4
Box it - 7916 entries
Create a box around a line.
- Best score: 21
- Best player score: 22
- Position: #525 / 1881
- Number of attempts: 6
Copy three lines - 2875 entries
If the site is up (by some miracle), make the text under every header identical.
- Best score: 13
- Best player score: 18
- Position: #347 / 641
- Number of attempts: 4
Just the middle - 11495 entries
Delete the instructions at the top and bottom.
- Best score: 7
- Best player score: 8
- Position: #3003 / 4213
- Number of attempts: 2
I forgot quotes - 16038 entries
Oops.
- Best score: 10
- Best player score: 17
- Position: #3067 / 4192
- Number of attempts: 2
attr_aligner - 3522 entries
Two attr keywords. Two separate indentations. Align the colons.
- Best score: 19
- Best player score: 104
- Position: #701 / 703
- Number of attempts: 1
Words in parens - 12967 entries
We should all ace this, right?
- Best score: 13
- Best player score: 19
- Position: #3168 / 3969
- Number of attempts: 3
Stairs Indenting - 479 entries
Indent each line with <line number> whitespaces.
- Best score: 12
- Best player score: 14
- Position: #133 / 199
- Number of attempts: 8
Chris League
Twitter: @chrisleague
Computer science professor at LIU Brooklyn, interested in functional programming, type systems, and CS education. One of Zoë’s dads (he/him). 🏳️🌈 ✊🏾