BaekJoon : Brute Force 4 BaekJoon : 14500(테트로미노) May 13, 2021 BaekJoon : 9663(N-Queen) Apr 6, 2021 BaekJoon : 14391(종이 조각) Apr 5, 2021 BaekJoon : 21277번(짠돌이 호석) Mar 29, 2021