Yigal Duppen

@ydd

Netherlands, Amsterdam

Joined Oct 2017

World Rank: #117377 (0 points)

Institution: N/A

Activity over the last year

Effectiveness

 Problems solved
5
 Solutions submitted
11

Problems

List of solved classical problems:

ARITH
ONP
PALIN
PRIME1
TEST

TODO list of classical problems:

BULK