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| 题号 | 状态 | 题目名称 | 标签 | 通过率 | |
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| L2942 | [USACO09MAR] Moon Mooing G |
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| L2943 | [USACO09MAR] Cleaning Up G | 动态规划 DP 递推 枚举 |
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| L2944 | [USACO09MAR] Earthquake Damage 2 G | 网络流 图论建模 最小割 |
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| L2945 | [USACO09MAR] Sand Castle S | 贪心 |
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| L2946 | [USACO09MAR] Cow Frisbee Team S | 动态规划 DP 背包 DP |
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| L2947 | [USACO09MAR] Look Up S | 单调栈 |
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| L2948 | [USACO09OPEN] Ski Lessons G | 动态规划 DP 枚举 |
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| L2949 | [USACO09OPEN] Work Scheduling G | 贪心 递推 优先队列 |
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| L2950 | [USACO09OPEN] Bovine Embroidery G | 动态规划 DP 单调队列 递推 |
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| L2951 | [USACO09OPEN] Hide and Seek S | 最短路 |
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| L2952 | [USACO09OPEN] Cow Line S | 单调队列 模拟 递推 |
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| L2953 | [USACO09OPEN] Cow Digit Game S | 博弈论 模拟 |
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| L2954 | [USACO09OPEN] Grazing2 S | 动态规划 DP 单调队列 递推 |
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| L2955 | [USACO09OCT] Even? Odd? G |
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| L2956 | [USACO09OCT] The Robot Plow G |
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| L2957 | [USACO09OCT] Barn Echoes G | 字符串 前缀和 哈希 hashing |
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| L2958 | [USACO09OCT] Papaya Jungle G |
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| L2959 | [USACO09OCT] The Leisurely Stroll G |
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| L2960 | [USACO09OCT] Invasion of the Milkweed G |
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| L2961 | [USACO09NOV] Who Brings the Cookies? G |
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