Problems from Waterloo Programming Contest 2009-02-08

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Colliding Traffic0.0131922117780%3.7Mediumen
Ocean Currents0.1764242534581%5.0Mediumen
Scrolling Sign0.0010066058088%2.9Mediumen
Unique Snowflakes0.0286101981480%3.9Mediumen
Zerg Rush!!!0.242561281450%8.9Harden