Brian Barrera

@brian

Bolivia, la paz

Joined Apr 2011

World Rank: #3754 (9.1 points)

Institution: universidad salesiana de bolivia

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
83
 Solutions submitted
465

Problems