https://blog.youkuaiyun.com/GYY13141zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/GYY13141/article/details/144081725https://blog.youkuaiyun.com/GYY13141/article/details/144081725GYY13141Wed, 27 Nov 2024 13:52:52 +0800https://blog.youkuaiyun.com/GYY13141/article/details/144010869https://blog.youkuaiyun.com/GYY13141/article/details/144010869GYY13141Sun, 24 Nov 2024 18:11:55 +0800https://blog.youkuaiyun.com/GYY13141/article/details/143974574https://blog.youkuaiyun.com/GYY13141/article/details/143974574GYY13141Fri, 22 Nov 2024 15:30:44 +0800https://blog.youkuaiyun.com/GYY13141/article/details/143913970https://blog.youkuaiyun.com/GYY13141/article/details/143913970GYY13141Wed, 20 Nov 2024 15:38:34 +0800https://blog.youkuaiyun.com/GYY13141/article/details/143854573https://blog.youkuaiyun.com/GYY13141/article/details/143854573GYY13141Mon, 18 Nov 2024 13:34:53 +0800https://blog.youkuaiyun.com/GYY13141/article/details/143714506https://blog.youkuaiyun.com/GYY13141/article/details/143714506GYY13141Tue, 12 Nov 2024 15:17:12 +0800B,b->c,邀请ABC,AB会来。表示a的前i项操作j次，然而，在定义时，容易发现，我们不好判断在 j次操作中，的不买（怎么都亏本），一定买k个以上（要不还是亏），要被B白嫖k个，其它的。可发现这里都是一段一段改变的，所以可得转移式。CF1969C,显然，贪心不行，所以dp,设。B策略，因为买一个会让A亏。CF1969D，考虑A的策略，为了方便，我们钦定状态中，，mn数组可预处理。]]>https://blog.youkuaiyun.com/GYY13141/article/details/143682906https://blog.youkuaiyun.com/GYY13141/article/details/143682906GYY13141Mon, 11 Nov 2024 14:25:02 +0800v,E能在B前到v，CF1998D 注意到一个性质，当B从s出发，起点。的和，则我们将原排列最后一数提到最前面，则原。,否则先考虑k全部加到我们要选的数里,，所以u->v路径E能获胜s的范围为。]]>https://blog.youkuaiyun.com/GYY13141/article/details/143643946https://blog.youkuaiyun.com/GYY13141/article/details/143643946GYY13141Sat, 09 Nov 2024 13:56:39 +0800https://blog.youkuaiyun.com/GYY13141/article/details/143627822https://blog.youkuaiyun.com/GYY13141/article/details/143627822GYY13141Fri, 08 Nov 2024 15:37:49 +0800合并后0总数，则可，否则不可。CF1988A ,因为每次可以加k-1个1和1个n-k+1，加一些特判。代表u点被第i次选到，可证最多选log+1次，就可以直接做了。CF1988D,树形dp，设。]]>https://blog.youkuaiyun.com/GYY13141/article/details/143569636https://blog.youkuaiyun.com/GYY13141/article/details/143569636GYY13141Wed, 06 Nov 2024 15:16:36 +0800https://blog.youkuaiyun.com/GYY13141/article/details/143359889https://blog.youkuaiyun.com/GYY13141/article/details/143359889GYY13141Wed, 30 Oct 2024 11:21:24 +0800