1. History of submissions
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PEKKA Liu

@pekka_l

China, Beijing

Joined Oct 2022

World Rank: #37322 (0.6 points)

Institution: N

Activity over the last year

Effectiveness

 Problems solved
6
 Solutions submitted
18

Problems

List of solved classical problems:

BACKUP
COT
COT2
RUNAWAY
SUDOKU
TTM

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