https://blog.youkuaiyun.com/m0_69743405zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/m0_69743405/article/details/149866276https://blog.youkuaiyun.com/m0_69743405/article/details/149866276m0_69743405Sat, 02 Aug 2025 23:55:09 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149816958https://blog.youkuaiyun.com/m0_69743405/article/details/149816958m0_69743405Fri, 01 Aug 2025 00:33:13 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149697475https://blog.youkuaiyun.com/m0_69743405/article/details/149697475m0_69743405Sun, 27 Jul 2025 23:06:48 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149672774https://blog.youkuaiyun.com/m0_69743405/article/details/149672774m0_69743405Sat, 26 Jul 2025 21:53:23 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149652184https://blog.youkuaiyun.com/m0_69743405/article/details/149652184m0_69743405Fri, 25 Jul 2025 23:52:12 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149616938https://blog.youkuaiyun.com/m0_69743405/article/details/149616938m0_69743405Thu, 24 Jul 2025 22:46:29 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149585776https://blog.youkuaiyun.com/m0_69743405/article/details/149585776m0_69743405Thu, 24 Jul 2025 00:09:20 +0800 enention (将 'i' 替换为 'e')enention -> exention (将 'n' 替换为 'x')exention -> exection (将 'n' 替换为 'c')horse -> rorse (将 'h' 替换为 'r')intention -> inention (删除 't')exection -> execution (插入 'u')rorse -> rose (删除 'r')rose -> ros (删除 'e')]]>https://blog.youkuaiyun.com/m0_69743405/article/details/149550792https://blog.youkuaiyun.com/m0_69743405/article/details/149550792m0_69743405Tue, 22 Jul 2025 23:50:41 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149517731https://blog.youkuaiyun.com/m0_69743405/article/details/149517731m0_69743405Mon, 21 Jul 2025 22:42:31 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149489816https://blog.youkuaiyun.com/m0_69743405/article/details/149489816m0_69743405Sun, 20 Jul 2025 22:39:49 +0800= 0：左边的位置不能超出字符串最左边r < len(s)：右边的位置不能超出字符串最右边：左右两边的字符要相同如果满足条件，就向两边扩展（l往左移，r往右移）最后返回找到的回文字符串（s[l+1:r]是Python中取字符串一部分的方法）res = ""# 奇数长度回文（单个中心）]]>https://blog.youkuaiyun.com/m0_69743405/article/details/149472965https://blog.youkuaiyun.com/m0_69743405/article/details/149472965m0_69743405Sat, 19 Jul 2025 23:53:59 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149453809https://blog.youkuaiyun.com/m0_69743405/article/details/149453809m0_69743405Fri, 18 Jul 2025 22:03:17 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149452908https://blog.youkuaiyun.com/m0_69743405/article/details/149452908m0_69743405Fri, 18 Jul 2025 21:22:17 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149409207https://blog.youkuaiyun.com/m0_69743405/article/details/149409207m0_69743405Wed, 16 Jul 2025 23:08:32 +0800 向右 -> 向下 -> 向下。2. 向下 -> 向下 -> 向右 -> 向右。存储的就是从左上角到右下角的不同路径数量。机器人每次只能向下或者向右移动一步。返回机器人能够到达右下角的不同路径数量。3x3 网格的正中间有一个障碍物。大小相同的二维数组，初始化为0。分别表示网格的行数和列数。]]>https://blog.youkuaiyun.com/m0_69743405/article/details/149373013https://blog.youkuaiyun.com/m0_69743405/article/details/149373013m0_69743405Tue, 15 Jul 2025 23:40:32 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149340202https://blog.youkuaiyun.com/m0_69743405/article/details/149340202m0_69743405Mon, 14 Jul 2025 23:16:32 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149318720https://blog.youkuaiyun.com/m0_69743405/article/details/149318720m0_69743405Mon, 14 Jul 2025 00:06:09 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149301756https://blog.youkuaiyun.com/m0_69743405/article/details/149301756m0_69743405Sat, 12 Jul 2025 23:29:22 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149261084https://blog.youkuaiyun.com/m0_69743405/article/details/149261084m0_69743405Fri, 11 Jul 2025 00:07:43 +0800https://blog.youkuaiyun.com/m0_69743405/article/details/149235143https://blog.youkuaiyun.com/m0_69743405/article/details/149235143m0_69743405Wed, 09 Jul 2025 22:47:48 +0800= 0 的条件下 Tn+3 = Tn + Tn+1 + Tn+2。，请返回第 n 个泰波那契数 Tn 的值。]]>