Jiang jianfeng

@stevenjiang

China, Shanghai

Joined Sep 2016

World Rank: #5618 (6.3 points)

Institution: Fudan 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
47
 Solutions submitted
154

Problems