Alvin Tree

@perl_add_add

China, Henyang

Joined Sep 2019

World Rank: #46454 (0.4 points)

Institution: HYSBZ

OI coding.

Activity over the last year

Effectiveness

 Problems solved
10
 Solutions submitted
27

Problems

List of solved classical problems:

CLOPPAIR QTREE
GCDEX QTREE2
LCMSUM TEST
MOD
MSKYCODE
ONP
PGCD

TODO list of classical problems:

PALIN
PRIME1