Yang Xiaobin

@rocket323

China

Joined Jul 2008

World Rank: #12440 (2.8 points)

Activity over the last year

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

Effectiveness

 Problems solved
22
 Solutions submitted
77

Problems