BOJ 2098번: 외판원 순회
BOJ
Educational Codeforces: Round 105 (Div. 2)
2021-03-02
Codeforces
BOJ 1744번: 수 묶기
BOJ
BOJ 7579번: 앱
BOJ
Codeforces: Round #704 (Div.2)
2021-02-23
Codeforces