提高+/省选- - 题库 - XSM

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	878	878 [USACO25OPEN] Forklift Certified P 提高+/省选- 线段树	0 / 0	(无)
	880	880 [USACO11DEC] Grass Planting G 提高+/省选- 线段树树链剖分 USACO	0 / 0	(无)
	883	883 [USACO15DEC] High Card Low Card P 提高+/省选- 贪心线段树 USACO 2015	0 / 0	(无)
	887	887 [USACO18JAN] Lifeguards S 提高+/省选- 线段树离散化枚举 USACO 2018	0 / 0	(无)
	889	889 [USACO18FEB] Snow Boots G 提高+/省选- 贪心线段树并查集单调队列排序 USACO 2018	0 / 0	(无)
	891	891 [USACO18OPEN] Disruption P 提高+/省选- 线段树树链剖分 USACO 2018	0 / 0	(无)
	892	892 [USACO19FEB] Cow Land G 提高+/省选- 线段树树链剖分 USACO 2019	0 / 0	(无)
	894	894 [USACO17JAN] Promotion Counting P 提高+/省选- 线段树树状数组离散化深度优先搜索 DFS USACO 2017	0 / 0	(无)
	896	896 [USACO15FEB] Censoring S 提高+/省选- 字符串线段树哈希 hashing 栈 KMP 算法 USACO 2015	0 / 0	(无)
	897	897 [USACO15FEB] Cow Hopscotch G 提高+/省选- 动态规划 DP 线段树 cdq 分治前缀和 USACO 2015	0 / 0	(无)
	898	898 [USACO15JAN] Stampede S 提高+/省选- 线段树离散化 USACO 2015	0 / 0	(无)
	921	921 [USACO22JAN] Minimizing Haybales P 提高+/省选- 线段树二分拓扑排序 USACO 2022	0 / 0	(无)
	924	924 [USACO21FEB] No Time to Dry P 提高+/省选- 线段树树状数组扫描线 USACO 2021 O2优化	0 / 0	(无)

根据当前过滤条件随机选择一道题