Played Challenges
Simple, Practical, and Common - 33621 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: #4200 / 7422
- Number of attempts: 2
Interweave two blocks of text - 659 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: #86 / 214
- Number of attempts: 1
Vertical Limit - 2538 entries
transform a succession of one word lines to a an array of strings
- Best score: 21
- Best player score: 34
- Position: #703 / 754
- Number of attempts: 1
Switch function arguments - 2139 entries
How to switch two arguments of a function.
- Best score: 11
- Best player score: 16
- Position: #584 / 663
- Number of attempts: 3
switch variable - 5071 entries
how fast can you switch two variable ?
- Best score: 11
- Best player score: 21
- Position: #1675 / 1748
- Number of attempts: 2
PHP <--> Java class conversion Part 1 - 254 entries
Convert this tiny php class to adequate java one.
- Best score: 65
- Best player score: 128
- Position: #49 / 63
- Number of attempts: 1
Multiplication table. - 232 entries
Create a multiplication table.
- Best score: 31
- Best player score: 162
- Position: #63 / 68
- Number of attempts: 1
Sort the cardinal numbers - 310 entries
Maybe a simple challenge.
- Best score: 12
- Best player score: 14
- Position: #87 / 148
- Number of attempts: 2
Line Zipper - 473 entries
Zip/pair related lines.
- Best score: 12
- Best player score: 16
- Position: #121 / 215
- Number of attempts: 1
remove dupes from array - 1358 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: #323 / 336
- Number of attempts: 2
PHP <--> Java class conversion Part 2 - 98 entries
Same class but reverse!
- Best score: 79
- Best player score: 125
- Position: #22 / 39
- Number of attempts: 1
Case preserving word replacement - 454 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: #132 / 180
- Number of attempts: 3
Rotating Philosophers Problem - 410 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: #142 / 166
- Number of attempts: 2
expand a list comprehension (python) - 333 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: #43 / 109
- Number of attempts: 4
Numbering a List - 1931 entries
Pretty simple, number the list.
- Best score: 13
- Best player score: 34
- Position: #616 / 652
- Number of attempts: 1
A Simple One - 1050 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 / 664
- Number of attempts: 1
Increment, increment, increment.... - 688 entries
Vim likes macros
- Best score: 10
- Best player score: 12
- Position: #204 / 408
- Number of attempts: 1
The Cake is a Lie - 1346 entries
Correct the capitalization of each word
- Best score: 9
- Best player score: 11
- Position: #418 / 527
- Number of attempts: 1
Compile C - 430 entries
You might have to get clever to do this one.
- Best score: 19
- Best player score: 22
- Position: #88 / 141
- Number of attempts: 1
Sort and add attributes - 1452 entries
Sort the states and add the attribute country to each record.
- Best score: 33
- Best player score: 35
- Position: #394 / 564
- Number of attempts: 2
Simple text editing with Vim - 12815 entries
Make the pairs of lines match up by making each second line same as first
- Best score: 13
- Best player score: 23
- Position: #2993 / 3696
- Number of attempts: 4
Dan Masquelier
Twitter: @danmasq
Software Engineer @Nextdoor, musician, Star Wars fan.