li qingyang

@liqingyang

China, Beijing

Institution: SDSZ

History of submissions
(plaintext version)

Problems

List of solved classical problems:

APIO14_A PRIMES2
COMPANYS QTREE6
DISUBSTR SUBST1
GOT UDIVSUM
KPRIMES2
OPTM
PCOPTRIP

TODO list of classical problems:

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