Haoyuan Zheng

@zhylj

China, Xiamen

Joined Nov 2021

World Rank: #20492 (1.5 points)

Institution: Xiamen No.1 High School of Fujian

Activity over the last year

Effectiveness

 Problems solved
7
 Solutions submitted
12

Problems

List of solved classical problems:

COT2
DETER2
KOSARE
LCS
LCS2
TRENDGCD
ZQUERY