문제 번호 제목 정보 정답 제출 정답 비율
6721 A Backward numbers 6 6 100.000%
6722 B Christmas presents 0 0 0.000%
6723 C Tournament ranking 1 1 100.000%
6724 D Directed mazes 0 0 0.000%
6725 E Connecting islands 0 0 0.000%
6726 F A language for constants 0 0 0.000%
6727 G Bridge placements 0 0 0.000%
6728 H Request for permission 0 0 0.000%