Played Challenges
Search and Replace 0 - 4792 entries
Replace every instance of 'aaa' with 'xaaax'.
- Best score: 12
- Best player score: 16
- Position: #1125 / 1585
- Number of attempts: 1
switch variable - 5036 entries
how fast can you switch two variable ?
- Best score: 11
- Best player score: 13
- Position: #1055 / 1736
- Number of attempts: 1
PHP <--> Java class conversion Part 1 - 212 entries
Convert this tiny php class to adequate java one.
- Best score: 65
- Best player score: 124
- Position: #45 / 61
- 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: #145 / 179
- Number of attempts: 2
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: #143 / 163
- Number of attempts: 1
Ruby 1.9 hashes - 1221 entries
Rubyists talk about being cutting edge but how many are using 1.9 in production? Time to convert those verbose 1.8 hashes in to symbolic, succinct 1.9 beauties!
- Best score: 12
- Best player score: 28
- Position: #396 / 401
- Number of attempts: 1
Reverse Simple Deletion - 832 entries
You did the simple deletion, now reverse it.
- Best score: 11
- Best player score: 12
- Position: #228 / 454
- Number of attempts: 1
Fix the Haiku - 275 entries
Change this slightly scrambled haiku to its unscrambled form and fix the capitalisation and punctuation along the way.
- Best score: 28
- Best player score: 47
- Position: #88 / 109
- Number of attempts: 2
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: #371 / 529
- Number of attempts: 3