@qishengkai

China

Joined Feb 2011

World Rank: #13568 (2.6 points)

Institution: Zhenhai High School

Activity over the last year

Effectiveness

 Problems solved
17
 Solutions submitted
106

Problems

List of solved classical problems:

DISUBSTR MSKYCODE SQFREE
HERDING MVECTOR SUBST1
MCARDS MZVRK TEST
MJOURNEY NGM2
MNERED ONP
MREPLBRC PALIN
MSAFE PRIME1

TODO list of classical problems:

PHRASES