Huang Tianning

@htn

China, changsha

Joined Jan 2017

World Rank: #29409 (0.9 points)

Institution: Yali Middle School

Activity over the last year

Effectiveness

 Problems solved
6
 Solutions submitted
33

Problems

List of solved classical problems:

NSUBSTR
QTREE4
QTREE5
QTREE6
QTREE7
TRANSP2