David Oswald

@davido

United States

Joined Aug 2011

World Rank: #26896 (1 points)

Activity over the last year

Effectiveness

 Problems solved
5
 Solutions submitted
73

Problems

List of solved classical problems:

ADDREV
FCTRL
FCTRL2
JULKA
TEST

TODO list of classical problems:

GUESSING PALIN
NHAY PIR