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ID 题目 显示标签 隐藏标签 AC / 尝试 难度
14 USACO1102  贪婪的送礼者Greedy Gift Givers 1 / 1 10
15 USACO1103  星期五 Friday the Thirteenth 1 / 1 10
17 USACO1201  挤牛奶 Milking Cows 1 / 1 10
18 USACO1202  方块转换 Transformations 1 / 1 10
19 USACO1203  回文平方数 Palindromic Squares 1 / 1 10
20 USACO1204  双重回文数 Dual Palindromes 1 / 1 10
21 USACO1301  混合牛奶 Mixing Milk 1 / 1 10
22 USACO1302  修理牛棚 Barn Repair 1 / 1 10
25 USACO1303  号码锁 Combination Lock 1 / 1 10
24 USACO1304  牛式 Prime Cryptarithm 1 / 1 10
26 USACO1305  滑雪课程设计 Ski Course Design 1 / 2 10
30 USACO1501  数字三角形 Number Triangles 1 / 1 10
32 USACO1503  特殊的质数肋骨 Superprime Rib 1 / 1 10
45 USACO2012NovS01  Clumsy Cows 1 / 1 10
9 USACO2017DecG03  Haybale Feast 0 / 0 (无)
5 USACO2022OPENS02  Subset Equality 0 / 0 (无)
11 USACO2024JanB02  炮弹 1 / 1 10
12 USACO2024JanB03  平衡细菌 1 / 1 10
33 USACO2101  城堡 The Castle 1 / 1 10
34 USACO2102  顺序的分数 Ordered Fractions 1 / 1 10
35 USACO2103  三值排序 Sorting a Three-Valued Sequence 1 / 1 10
38 USACO2201  序言页码 Preface Numbering 1 / 1 10
39 USACO2202  子集求和 Subset Sums 1 / 1 10
41 USACO2204  派对灯 Party Lamps 1 / 1 10
51 USACO2401  两只塔姆沃斯牛 The Tamworth Two 1 / 1 10
57 USACO3102  联系 Contact 1 / 1 10
59 USACO3104  丑数 Humble Numbers 1 / 1 10
60 USACO3105  邮票 Stamps 1 / 2 10
71 USACO3401  奶牛血统 American Heritage 1 / 1 10
78 USACO4203  工序安排 Job Processing 1 / 1 10
80 USACO4302  逢低吸纳 Buy Low, Buy Lower 1 / 1 10
84 USACO5101  圈奶牛Fencing the Cows 1 / 5 10
90 USACO5303  窗体面积 Window Area 1 / 1 10
95 USACO5502  隐藏口令 Hidden Password 1 / 1 10
23 USACO6201  最长的回文 Calf Flac 1 / 1 10
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