1. History of submissions
  2. (plaintext version)

Charles Chien

@cchien101

United States, Boston

Joined Jun 2020

World Rank: #31958 (0.8 points)

Institution: N/A

Activity over the last year

Effectiveness

 Problems solved
8
 Solutions submitted
10

Problems

List of solved classical problems:

GNYR04H TWINSNOW
HISTOGRA
MTREECOL
NAPTIME
PERIOD
PHONELST
SERVICE

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