ruichen yang

@xyxxy

China, Zhejiang

Joined Aug 2022

World Rank: #30005 (0.9 points)

Institution: Experimental middle school

Activity over the last year

Effectiveness

 Problems solved
9
 Solutions submitted
12

Problems

List of solved classical problems:

BINSTIRL TEST
KMOVES TRICENTR
MDIGITS
PON
PR003004
SAM
SUPPER