Ben Chen

@penguinhacker

United States, Chicago

Joined Oct 2019

World Rank: #46466 (0.4 points)

Institution: N/A

Activity over the last year

Effectiveness

 Problems solved
12
 Solutions submitted
22

Problems

List of solved classical problems:

CPCRC1C MKTHNUM
DQUERY NHAY
DYNACON1 POLYMUL
HIST2 PON
HORRIBLE TEST
INVCNT
METEORS