1. History of submissions
  2. (plaintext version)

chengjun chen

@ccj

China, Shanghai

Joined Sep 2017

World Rank: #4338 (8 points)

Institution: Fudan University

Activity over the last year

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

Effectiveness

 Problems solved
47
 Solutions submitted
194

Problems


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