Hirotaka Yoneda

@square1001

Japan, Tokyo

Joined Jul 2016

World Rank: #2958 (11.3 points)

Institution: Kaisei Senior High School

I am square1001, a 12th-grader, a competitive programmer, and an IOI 2018 Silver Medalist.

Activity over the last year

Effectiveness

 Problems solved
93
 Solutions submitted
698

Problems