1. History of submissions
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Lang Qun

@langmouren

China, HE

Joined Jan 2025

World Rank: #21880 (1.4 points)

Institution: SJZ No.2 Junior High

Activity over the last year

Effectiveness

 Problems solved
18
 Solutions submitted
54

Problems

List of solved classical problems:

BUBBLESORT GSS3 PERMUT1
BUSINESS GSS4 PT07Z
CODESPTB HISTOGRA RUNAWAY
EPALIN INVCNT STC02
FENCE3 KNIGHTS
GOODA LITE
GSS1 NUMOFPAL

TODO list of classical problems:

ADAGAME
LCA

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