keven he

@keven_he

China, Hebei Hengshui

Joined Jul 2021

World Rank: #12706 (2.7 points)

Institution: Hengshui High School Hebei

Activity over the last year

Effectiveness

 Problems solved
7
 Solutions submitted
34

Problems

List of solved classical problems:

ACQUIRE
BUSINESS
IE2
MUZIDA
NSUBSTR
QTREE
TREESUM

TODO list of classical problems:

NPC2015E SERVICE
POWFIB