1000+ problem solve(algorithm, competitive coding) at beakjoon Online judge Beakjoon Online Judge boj user page link solved.ac user page link Competition history 2016 lg code monster 본선 진출 (예선 전체 참가자수 약 1500명, 본선 진출자수 약 70명) used language c++99 python3 pypy(python2.7)