Liu zm

@tearing

China, Maanshan

Joined Apr 2020

World Rank: #12730 (2.7 points)

Institution: ?

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
45
 Solutions submitted
126

Problems