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ID 题目 显示标签 隐藏标签 AC / 尝试 难度
699 P1204  [USACO1.2] 挤牛奶Milking Cows 0 / 0 (无)
672 P1209  [USACO1.3] 修理牛棚 Barn Repair 5 / 39 8
673 P1210  [USACO1.3] 最长的回文 Calf Flac 2 / 15 9
719 P1219  [USACO1.5] 八皇后 Checker Challenge 7 / 17 8
675 P1460  [USACO2.1] 健康的荷斯坦奶牛 Healthy Holsteins 8 / 14 8
769 P1470  [USACO2.3] 最长前缀 Longest Prefix 0 / 0 (无)
771 P1474  [USACO2.3] Money System / [USACO07OCT] Cow Cash G 0 / 0 (无)
756 P1596  [USACO10OCT] Lake Counting S 7 / 12 9
706 P1673  [USACO05FEB] Part Acquisition S 1 / 5 10
696 P1676  [USACO05FEB] Aggressive cows G 7 / 34 8
757 P1825  [USACO11OPEN] Corn Maze S 6 / 23 8
779 P1894  [USACO4.2] 完美的牛栏The Perfect Stall 2 / 2 10
626 P1948  [USACO08JAN] Telephone Lines S 2 / 11 10
751 P2205  [USACO13JAN] Painting the Fence S 0 / 0 (无)
716 P2341  [USACO03FALL / HAOI2006] 受欢迎的牛 G 2 / 4 10
739 P2727  [USACO3.2] 01串 Stringsobits 0 / 0 (无)
681 P2846  [USACO08NOV] Light Switching G 2 / 2 10
776 P2858  [USACO06FEB] Treats for the Cows G/S 2 / 7 10
734 P2863  [USACO06JAN] The Cow Prom S 1 / 1 10
777 P2937  [USACO09JAN] Laserphones S 0 / 0 (无)
686 USACO122  Transformations 2 / 38 9
687 USACO124  Palindromic Squares 3 / 11 9
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