Erfan Ahmadiyono

@erfanpaal11e

Indonesia

Joined Sep 2011

World Rank: #34848 (0.7 points)

Activity over the last year

Effectiveness

 Problems solved
9
 Solutions submitted
37

Problems

List of solved classical problems:

BEENUMS OAE
FENCE1 TOHU
GIRLSNBS
HIKE
IMMERSED
MBALL
MSTICK