Zai Zai

@zaizai

Viet Nam

Joined Nov 2013

World Rank: #9486 (3.7 points)

Activity over the last year

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

Effectiveness

 Problems solved
56
 Solutions submitted
290

Problems