Mark Gordon

@msg555

United States

Joined Aug 2006

World Rank: #621 (40.1 points)

Activity over the last year

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

Effectiveness

 Problems solved
141
 Solutions submitted
1333

Problems