1. History of submissions
  2. (plaintext version)

Darren Sun

@darrensun

China

Joined Jul 2014

World Rank: #16426 (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
123
 Solutions submitted
291

Problems


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