Kaifei Chen

@reflectioncat

China, Shanghai

Joined Jun 2007

World Rank: #333 (63.7 points)

Institution: Fudan University

Activity over the last year

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

Effectiveness

 Problems solved
173
 Solutions submitted
452

Problems