1. History of submissions
  2. (plaintext version)

Rick Feng

@um_ext4

China, Shanghai

Joined May 2021

World Rank: #42830 (0.5 points)

Institution: SFLS

Activity over the last year

Effectiveness

 Problems solved
8
 Solutions submitted
16

Problems

List of solved classical problems:

COT2 SUBST1
LCMSUM
LCS
LCS2
PERIODNI
QTREE7
SUBLEX

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