@beo_chay_so

Viet Nam

Joined Oct 2004

World Rank: #2108 (14.6 points)

Institution: DHKHTNDHQGHN

Activity over the last year

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

Effectiveness

 Problems solved
93
 Solutions submitted
431

Problems