ChengAn Ji

@matrix_mlt

China, ZJ

Joined Apr 2023

World Rank: #9533 (3.7 points)

Institution: wlzx

Activity over the last year

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

Effectiveness

 Problems solved
30
 Solutions submitted
53

Problems