Dong Quan

@tabris_

China, Harbin

Joined Jan 2017

World Rank: #8428 (4.2 points)

Institution: hrbust

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
19
 Solutions submitted
79

Problems