1. History of submissions
  2. (plaintext version)

Richard Lau

@richardlau08

China, Hengshui

Joined Oct 2021

World Rank: #5934 (6 points)

Institution: Hengshui High School Experimental Campus

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
48
 Solutions submitted
175

Problems


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