Chai Jia Jun

@jjchai

France, Blois

Joined Nov 2015

World Rank: #83862 (0.1 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
29
 Solutions submitted
70

Problems