https://blog.youkuaiyun.com/FirstLuckerzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/FirstLucker/article/details/49557517https://blog.youkuaiyun.com/FirstLucker/article/details/49557517FirstLuckerSun, 01 Nov 2015 13:25:37 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/49336427https://blog.youkuaiyun.com/FirstLucker/article/details/49336427FirstLuckerThu, 22 Oct 2015 18:50:18 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47128347https://blog.youkuaiyun.com/FirstLucker/article/details/47128347FirstLuckerWed, 29 Jul 2015 17:03:33 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47048405https://blog.youkuaiyun.com/FirstLucker/article/details/47048405FirstLuckerFri, 24 Jul 2015 22:50:35 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47046547https://blog.youkuaiyun.com/FirstLucker/article/details/47046547FirstLuckerFri, 24 Jul 2015 20:54:50 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47044619https://blog.youkuaiyun.com/FirstLucker/article/details/47044619FirstLuckerFri, 24 Jul 2015 17:47:58 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47041883https://blog.youkuaiyun.com/FirstLucker/article/details/47041883FirstLuckerFri, 24 Jul 2015 15:35:16 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47041109https://blog.youkuaiyun.com/FirstLucker/article/details/47041109FirstLuckerFri, 24 Jul 2015 14:55:05 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47039977https://blog.youkuaiyun.com/FirstLucker/article/details/47039977FirstLuckerFri, 24 Jul 2015 13:47:51 +0800 m则交换n和m不影响结果，于是假设n ≤ m。 分类讨论即可： 同行：选n行，每行m*(m - 1)种放法 同列：选m列，每列n*(n - 1)种放法 于是同行列共m*n*(m + n - 2)种放法。 同斜线：设斜线长度为i]]>https://blog.youkuaiyun.com/FirstLucker/article/details/47014513https://blog.youkuaiyun.com/FirstLucker/article/details/47014513FirstLuckerThu, 23 Jul 2015 01:56:59 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47014507https://blog.youkuaiyun.com/FirstLucker/article/details/47014507FirstLuckerThu, 23 Jul 2015 01:52:18 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47014257https://blog.youkuaiyun.com/FirstLucker/article/details/47014257FirstLuckerThu, 23 Jul 2015 01:43:15 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/47014191https://blog.youkuaiyun.com/FirstLucker/article/details/47014191FirstLuckerThu, 23 Jul 2015 01:24:20 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/46991885https://blog.youkuaiyun.com/FirstLucker/article/details/46991885FirstLuckerTue, 21 Jul 2015 20:50:35 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/46991131https://blog.youkuaiyun.com/FirstLucker/article/details/46991131FirstLuckerTue, 21 Jul 2015 19:59:45 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/46888253https://blog.youkuaiyun.com/FirstLucker/article/details/46888253FirstLuckerWed, 15 Jul 2015 09:06:16 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/46887909https://blog.youkuaiyun.com/FirstLucker/article/details/46887909FirstLuckerWed, 15 Jul 2015 07:56:52 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/46887521https://blog.youkuaiyun.com/FirstLucker/article/details/46887521FirstLuckerWed, 15 Jul 2015 04:45:42 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/46865243https://blog.youkuaiyun.com/FirstLucker/article/details/46865243FirstLuckerMon, 13 Jul 2015 17:22:11 +0800https://blog.youkuaiyun.com/FirstLucker/article/details/46864271https://blog.youkuaiyun.com/FirstLucker/article/details/46864271FirstLuckerMon, 13 Jul 2015 16:33:24 +0800