Krzysztof Ostrowski

@tojemojek

Poland, Warszawa

Joined Sep 2017

World Rank: #79671 (0.1 points)

Activity over the last year

Effectiveness

 Problems solved
7
 Solutions submitted
15

Problems

List of solved classical problems:

ADDREV
BOOKS1
EGYPIZZA
FCTRL
FCTRL2
MUL
PRIME1