Played Challenges
Search and Replace 0 - 4994 entries
Replace every instance of 'aaa' with 'xaaax'.
- Best score: 12
- Best player score: 16
- Position: #1159 / 1627
- Number of attempts: 1
switch variable - 5079 entries
how fast can you switch two variable ?
- Best score: 11
- Best player score: 13
- Position: #1062 / 1749
- Number of attempts: 1
PHP <--> Java class conversion Part 1 - 254 entries
Convert this tiny php class to adequate java one.
- Best score: 65
- Best player score: 124
- Position: #47 / 63
- 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: #146 / 180
- Number of attempts: 2
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: #145 / 166
- Number of attempts: 1
Ruby 1.9 hashes - 1244 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: #401 / 406
- Number of attempts: 1
Reverse Simple Deletion - 850 entries
You did the simple deletion, now reverse it.
- Best score: 11
- Best player score: 12
- Position: #229 / 459
- Number of attempts: 1
Fix the Haiku - 308 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: #91 / 113
- Number of attempts: 2
Sort and add attributes - 1467 entries
Sort the states and add the attribute country to each record.
- Best score: 33
- Best player score: 35
- Position: #402 / 570
- Number of attempts: 3