Ping-Ko Chiu

@pingkoc

United States, Champaign

Joined Jan 2018

World Rank: #42344 (0.5 points)

Institution: University of Illinois at Urbana Champaign

Activity over the last year

Effectiveness

 Problems solved
7
 Solutions submitted
21

Problems

List of solved classical problems:

BALNUM
HORRIBLE
KPSUM
LITE
ORDERSET
RACETIME
SUBLEX