1. History of submissions
  2. (plaintext version)

zhitian xu

@xzt

China, Changzhou

Joined Aug 2010

World Rank: #15153 (2.2 points)

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
16
 Solutions submitted
99

Problems


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