Played Challenges
Simple, Practical, and Common - 33385 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: 28
- Position: #4176 / 7364
- Number of attempts: 2
Interweave two blocks of text - 631 entries
Suppose you've got data on a list of things from multiple sources. They're all in separate chunks, so how might you create a tabular output?
- Best score: 15
- Best player score: 17
- Position: #83 / 211
- Number of attempts: 1
Vertical Limit - 2448 entries
transform a succession of one word lines to a an array of strings
- Best score: 21
- Best player score: 34
- Position: #688 / 738
- Number of attempts: 1
Switch function arguments - 2082 entries
How to switch two arguments of a function.
- Best score: 11
- Best player score: 16
- Position: #574 / 652
- Number of attempts: 3
switch variable - 5036 entries
how fast can you switch two variable ?
- Best score: 11
- Best player score: 21
- Position: #1666 / 1736
- Number of attempts: 2
PHP <--> Java class conversion Part 1 - 212 entries
Convert this tiny php class to adequate java one.
- Best score: 65
- Best player score: 128
- Position: #47 / 61
- Number of attempts: 1
Multiplication table. - 205 entries
Create a multiplication table.
- Best score: 31
- Best player score: 162
- Position: #60 / 63
- Number of attempts: 1
Sort the cardinal numbers - 293 entries
Maybe a simple challenge.
- Best score: 12
- Best player score: 14
- Position: #85 / 146
- Number of attempts: 2
Line Zipper - 450 entries
Zip/pair related lines.
- Best score: 12
- Best player score: 16
- Position: #117 / 210
- Number of attempts: 1
remove dupes from array - 1336 entries
given a random string that contains a ruby-esque array, make sure that there are no duplicate elements
- Best score: 17
- Best player score: 45
- Position: #318 / 331
- Number of attempts: 2
PHP <--> Java class conversion Part 2 - 96 entries
Same class but reverse!
- Best score: 80
- Best player score: 125
- Position: #21 / 38
- Number of attempts: 1
Case preserving word replacement - 453 entries
Half way through my project, my people turned into dogs. Now I have to change everything in my source.
- Best score: 19
- Best player score: 23
- Position: #131 / 179
- Number of attempts: 3
Rotating Philosophers Problem - 390 entries
Can you help the philosophers find a good place to sit before they get five forks and spaghetti?
- Best score: 29
- Best player score: 34
- Position: #140 / 163
- Number of attempts: 2
expand a list comprehension (python) - 301 entries
Please show your way to convert a list comprehension in python to an ordinary for-loop expression!
- Best score: 42
- Best player score: 51
- Position: #41 / 106
- Number of attempts: 4
Numbering a List - 1859 entries
Pretty simple, number the list.
- Best score: 13
- Best player score: 34
- Position: #605 / 639
- Number of attempts: 1
A Simple One - 1001 entries
Here is a very simple one - just to illustrate/introduce a vim feature that some people seem to miss...
- Best score: 9
- Best player score: 9
- Position: #208 / 643
- Number of attempts: 1
Increment, increment, increment.... - 662 entries
Vim likes macros
- Best score: 10
- Best player score: 12
- Position: #198 / 401
- Number of attempts: 1
The Cake is a Lie - 1286 entries
Correct the capitalization of each word
- Best score: 9
- Best player score: 11
- Position: #406 / 512
- Number of attempts: 1
Compile C - 365 entries
You might have to get clever to do this one.
- Best score: 19
- Best player score: 22
- Position: #83 / 132
- Number of attempts: 1
Sort and add attributes - 1327 entries
Sort the states and add the attribute country to each record.
- Best score: 33
- Best player score: 35
- Position: #368 / 529
- Number of attempts: 2
Simple text editing with Vim - 12290 entries
Make the pairs of lines match up by making each second line same as first
- Best score: 13
- Best player score: 23
- Position: #2901 / 3581
- Number of attempts: 4
Dan Masquelier
Twitter: @danmasq
Software Engineer @Nextdoor, musician, Star Wars fan.