1. History of submissions
  2. (plaintext version)

Ruihang Lai

@masterjh5574

China, Changsha

Joined Jan 2017

World Rank: #41470 (0.5 points)

Institution: Changjun High School

Activity over the last year

Effectiveness

 Problems solved
9
 Solutions submitted
43

Problems

List of solved classical problems:

COT QTREE4
FTOUR2 QTREE5
LCMSUM
LCS
LCS2
QTREE
QTREE2

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