1. History of submissions
  2. (plaintext version)

Ivan Lee

@lx75249

China, Shanghai

Joined Aug 2009

World Rank: #17109 (1.9 points)

Institution: 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
28
 Solutions submitted
102

Problems


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