Participant: Kei
Representing Japan using Ruby.
| Alien Language | Watersheds | Welcome to Code Jam | |||
|---|---|---|---|---|---|
| S | L | S | L | S | L | 
|  Ruby |  Ruby |  Ruby | |||
| Multi-base happiness | Crossing the Road | Collecting Cards | |||
|---|---|---|---|---|---|
| S | L | S | L | S | L | 
|  Ruby |  Ruby |  Ruby | |||
| Crazy Rows | A Digging Problem | Stock Charts | Watering Plants | ||||
|---|---|---|---|---|---|---|---|
| S | L | S | L | S | L | S | L | 
|  Ruby |  Ruby | ||||||