1. History of submissions
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Double Happy

@doublehappy

China, 哈尔滨市

Joined Aug 2022

World Rank: #65913 (0.2 points)

Institution: HEU

Activity over the last year

Effectiveness

 Problems solved
4
 Solutions submitted
10

Problems

List of solved classical problems:

LCS
LCS2
LONGCS
SUBLEX

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