PengFei Du

@pf_d

China

Joined Feb 2012

World Rank: #20489 (1.5 points)

Institution: Linyi three high school

Activity over the last year

Effectiveness

 Problems solved
11
 Solutions submitted
16

Problems

List of solved classical problems:

ASISTENT RACETIME
COT SBSTR1
CRSCNTRY SUMITR
ONP TEST
PALIN
PRIME1
QTREE