https://blog.youkuaiyun.com/lch2011_ybzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/lch2011_yb/article/details/167128034https://blog.youkuaiyun.com/lch2011_yb/article/details/167128034lch2011_ybMon, 05 Oct 2026 18:40:40 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/166995384https://blog.youkuaiyun.com/lch2011_yb/article/details/166995384lch2011_ybFri, 02 Oct 2026 23:27:25 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163513503https://blog.youkuaiyun.com/lch2011_yb/article/details/163513503lch2011_ybFri, 28 Aug 2026 20:45:09 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163514210https://blog.youkuaiyun.com/lch2011_yb/article/details/163514210lch2011_ybFri, 28 Aug 2026 20:45:01 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163514424https://blog.youkuaiyun.com/lch2011_yb/article/details/163514424lch2011_ybFri, 28 Aug 2026 20:44:51 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163514500https://blog.youkuaiyun.com/lch2011_yb/article/details/163514500lch2011_ybFri, 28 Aug 2026 10:43:20 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163572543https://blog.youkuaiyun.com/lch2011_yb/article/details/163572543lch2011_ybFri, 28 Aug 2026 10:43:06 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163595089https://blog.youkuaiyun.com/lch2011_yb/article/details/163595089lch2011_ybThu, 27 Aug 2026 22:08:18 +0800=0：乘积要尽量小 → Q 选 B 区间最小值Bmin，得分Ax。maxaz/minaz：A 区间正数的最大、最小。maxaf/minaf：A 区间负数的最大、最小。maxbz/minbz：B 区间正数的最大、最小。maxbf/minbf：B 区间负数的最大、最小。每次查询循环扫 A 区间、B 区间。]]>https://blog.youkuaiyun.com/lch2011_yb/article/details/163595380https://blog.youkuaiyun.com/lch2011_yb/article/details/163595380lch2011_ybThu, 27 Aug 2026 22:08:00 +0800= p[j].y。横纵坐标均单调不减；]]>https://blog.youkuaiyun.com/lch2011_yb/article/details/163675941https://blog.youkuaiyun.com/lch2011_yb/article/details/163675941lch2011_ybWed, 19 Aug 2026 20:56:49 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163676141https://blog.youkuaiyun.com/lch2011_yb/article/details/163676141lch2011_ybWed, 19 Aug 2026 20:56:24 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163676379https://blog.youkuaiyun.com/lch2011_yb/article/details/163676379lch2011_ybTue, 18 Aug 2026 19:20:43 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163762050https://blog.youkuaiyun.com/lch2011_yb/article/details/163762050lch2011_ybTue, 18 Aug 2026 19:16:55 +0800=3并且sum>2*mx的子集。特判全部木棍相等，任意选≥3 根都合法，杨辉三角预处理组合数直接求和。求合法子集数目，对模数998244353取模。]]>https://blog.youkuaiyun.com/lch2011_yb/article/details/163761937https://blog.youkuaiyun.com/lch2011_yb/article/details/163761937lch2011_ybFri, 14 Aug 2026 20:18:46 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163749156https://blog.youkuaiyun.com/lch2011_yb/article/details/163749156lch2011_ybFri, 14 Aug 2026 19:53:22 +08001轮：A必须以上一轮序列的末尾数字开头。第 1 轮：A必须以1开头；]]>https://blog.youkuaiyun.com/lch2011_yb/article/details/163706888https://blog.youkuaiyun.com/lch2011_yb/article/details/163706888lch2011_ybThu, 13 Aug 2026 08:29:34 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163670445https://blog.youkuaiyun.com/lch2011_yb/article/details/163670445lch2011_ybTue, 11 Aug 2026 20:41:37 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163646228https://blog.youkuaiyun.com/lch2011_yb/article/details/163646228lch2011_ybMon, 10 Aug 2026 23:03:24 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163633519https://blog.youkuaiyun.com/lch2011_yb/article/details/163633519lch2011_ybMon, 10 Aug 2026 12:55:13 +0800https://blog.youkuaiyun.com/lch2011_yb/article/details/163572973https://blog.youkuaiyun.com/lch2011_yb/article/details/163572973lch2011_ybSat, 08 Aug 2026 12:01:54 +0800