1. History of submissions
  2. (plaintext version)

Chang-Hyon Sin

@rns

Korea, Democratic People's Republic Of, Pyongyang

Joined Aug 2013

World Rank: #3554 (9.6 points)

Institution: Kim Il Sung University

Activity over the last year

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

Effectiveness

 Problems solved
49
 Solutions submitted
337

Problems


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