@frozenfire

China

Joined Nov 2007

World Rank: #27614 (1 points)

Institution: Beijing University

Activity over the last year

MayJuneJulyAugustSeptemberOctoberNovemberDecemberJanuaryFebruaryMarchAprilless than 10 submissionsbetween 10 and 20 submissionsbetween 20 and 30 submissionsbetween 30 and 40 submissionsmore than 40 submissions

Effectiveness

 Problems solved
44
 Solutions submitted
171

Problems