Łukasz Wałejko

@lukaszw

Poland, Białystok

Joined Sep 2008

World Rank: #27621 (1 points)

Institution: LEFT JOIN Łukasz Wałejko

Activity over the last year

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

Effectiveness

 Problems solved
47
 Solutions submitted
214

Problems