Ethan Sun

@ethan104

China, Shenzhen

Institution: Shenzhen Middle School

History of submissions
(plaintext version)

Problems

List of solved classical problems:

BACKUP GCDEX NSUBSTR QTREE7
BOXES INS14G NTHPRIME SUBLEX
DIVCNT2 LCMSUM OTOCI TTM
DIVCNT3 LCS PAGAIN VLATTICE
DIVCNTK MDIGITS PON XOINC
DYNACON1 MOD POSTERIN
DYNALCA NAPTIME PR003004

TODO list of classical problems:

QTREE
QTREE6
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