usqwedf usqwedf

@usqwedf

China, Ningbo

Joined Jul 2015

World Rank: #9118 (3.9 points)

Activity over the last year

Effectiveness

 Problems solved
11
 Solutions submitted
47

Problems

List of solved classical problems:

DISUBSTR INS14F
IE2 INS14G
INS14A KSMALL
INS14B SUBST1
INS14C
INS14D
INS14E