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| 题号 | 状态 | 题目名称 | 标签 | 通过率 | |
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| L2841 | A*B Problem | 数学 进制 递推 高精度 |
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| L2842 | 纸币问题 1 | 动态规划 DP |
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| L2843 | 暗杀 | 前缀和 |
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| L2845 | [USACO15DEC] Switching on the Lights S | 搜索 广度优先搜索 BFS 深度优先搜索 DFS 模拟 |
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| L2846 | [USACO08NOV] Light Switching G | 线段树 |
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| L2847 | [USACO16DEC] Moocast G | 生成树 二分 |
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| L2848 | [USACO16DEC] Cow Checklist G | 动态规划 DP |
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| L2849 | [USACO14DEC] Marathon S |
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| L2850 | [USACO06DEC] Wormholes G | 深度优先搜索 DFS 负权环 |
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| L2851 | [USACO06DEC] The Fewest Coins G | 动态规划 DP 背包 DP 进制 |
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| L2852 | [USACO06DEC] Milk Patterns G | 后缀数组 SA 二分 哈希 hashing |
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| L2853 | [USACO06DEC] Cow Picnic S | 搜索 深度优先搜索 DFS 贪心 |
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| L2854 | [USACO06DEC] Cow Roller Coaster S | 动态规划 DP 背包 DP |
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| L2855 | [USACO06DEC] River Hopscotch S | 二分 |
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| L2856 | [USACO06FEB] Cellphones G | 线段树 前缀和 贪心 |
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| L2857 | [USACO06FEB] Steady Cow Assignment G | 网络流 贪心 二分 枚举 双指针 two-pointer |
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| L2858 | [USACO06FEB] Treats for the Cows G/S | 动态规划 DP 区间 DP |
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| L2859 | [USACO06FEB] Stall Reservations S | 线段树 前缀和 贪心 |
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| L2860 | [USACO06JAN] Redundant Paths G | 图论 双连通分量 |
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| L2861 | [USACO06JAN] Roping the Field G |
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