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| 题号 | 状态 | 题目名称 | 标签 | 通过率 | |
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| L3123 | [USACO15OPEN] Bessie Goes Moo S | 搜索 枚举 |
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| L3124 | [USACO15OPEN] Trapped in the Haybales S | 贪心 排序 |
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| L3125 | [USACO15OPEN] Bessie's Birthday Buffet S | 动态规划 DP 最短路 |
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| L3126 | [USACO15OPEN] Palindromic Paths G | 字符串 动态规划 DP 枚举 |
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| L3127 | [USACO15OPEN] Trapped in the Haybales G | 并查集 枚举 离散化 |
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| L3128 | [USACO15DEC] Max Flow P | 差分 最近公共祖先 LCA 树链剖分 |
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| L3129 | [USACO15DEC] High Card Low Card P | 线段树 贪心 |
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| L3130 | [USACO15DEC] Counting Haybale P | 线段树 |
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| L3131 | [USACO16JAN] Subsequences Summing to Sevens S | 前缀和 |
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| L3132 | [USACO16JAN] Angry Cows G | 动态规划 DP 贪心 二分 |
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| L3133 | [USACO16JAN] Radio Contact G | 动态规划 DP |
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| L3134 | [USACO16JAN] Lights Out G | 哈希 hashing |
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| L3135 | [USACO16JAN] Fort Moo P | 动态规划 DP 枚举 |
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| L3136 | [USACO16JAN] Mowing the Field P | cdq 分治 |
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| L3137 | [USACO16FEB] Circular Barn S | 贪心 枚举 |
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| L3138 | [USACO16FEB] Load Balancing S | 线段树 前缀和 枚举 |
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| L3139 | [USACO16FEB] Milk Pails S | 搜索 剪枝 记忆化搜索 |
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| L3140 | [USACO16FEB] Circular Barn Revisited G | 动态规划 DP |
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| L3141 | [USACO16FEB] Fenced In P | 生成树 贪心 |
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| L3142 | [USACO16OPEN] Field Reduction S | 枚举 排序 |
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