choi allen

@cyl001

China, guangzhou

Institution: shengshi guangdong

I am only just a student. I am tnterested in OI

History of submissions
(plaintext version)

Problems

List of solved classical problems:

BUSINESS GSS3 NWERC10G TTM
CERC07S GSS4 PERIOD
CF25E LCMSUM QTREE
COT LIGHTIN QTREE2
GCDEX LIS2 QTREE4
GRE MDST STC10
GSS1 MOD TEST

TODO list of classical problems:

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