三分 (共3题)
ID Problem Title Source AC Ratio Solved Tries
3601 期末考试(exam) SHOI2017, BZOJ 4868 75% 3 4
3698 Toys 玩具 USACO 2008 Nov Gold 0% 0 0
4727 「一本通 1.2 练习 4」传送带 XOJ 75% 7 12