https://blog.youkuaiyun.com/m0_53406928zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/m0_53406928/article/details/158853372https://blog.youkuaiyun.com/m0_53406928/article/details/158853372m0_53406928Mon, 09 Mar 2026 22:43:49 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/158852802https://blog.youkuaiyun.com/m0_53406928/article/details/158852802m0_53406928Mon, 09 Mar 2026 22:26:25 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/158779618https://blog.youkuaiyun.com/m0_53406928/article/details/158779618m0_53406928Sat, 07 Mar 2026 23:25:04 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/158778837https://blog.youkuaiyun.com/m0_53406928/article/details/158778837m0_53406928Sat, 07 Mar 2026 22:25:36 +0800 hashtable。在使用哈希表的时候把要查找的数字作为key，这样时间复杂度最低。已经忘了C++是怎么写的了，磨蹭了这么久才把第一道题写了。（时间复杂度 O (n)，空间复杂度 O (n)）。非常暴力，时间复杂度O(N2）空间复杂度O(1)唯一的难点在于，忘记写 return {};果然舒适的环境只想刷手机看小说打游戏。我不会哈希，哈希是看题解。：迭代器指向的键值对的。（即补数对应的下标），]]>https://blog.youkuaiyun.com/m0_53406928/article/details/154064678https://blog.youkuaiyun.com/m0_53406928/article/details/154064678m0_53406928Wed, 29 Oct 2025 11:12:15 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/152955995https://blog.youkuaiyun.com/m0_53406928/article/details/152955995m0_53406928Fri, 10 Oct 2025 21:53:12 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/152955045https://blog.youkuaiyun.com/m0_53406928/article/details/152955045m0_53406928Fri, 10 Oct 2025 21:36:00 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/149610602https://blog.youkuaiyun.com/m0_53406928/article/details/149610602m0_53406928Thu, 24 Jul 2025 17:45:42 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/144527280https://blog.youkuaiyun.com/m0_53406928/article/details/144527280m0_53406928Tue, 17 Dec 2024 10:27:14 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/140334823https://blog.youkuaiyun.com/m0_53406928/article/details/140334823m0_53406928Tue, 16 Jul 2024 16:13:57 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/140070944https://blog.youkuaiyun.com/m0_53406928/article/details/140070944m0_53406928Thu, 11 Jul 2024 17:26:17 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/140217256https://blog.youkuaiyun.com/m0_53406928/article/details/140217256m0_53406928Fri, 05 Jul 2024 20:33:08 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/140081241https://blog.youkuaiyun.com/m0_53406928/article/details/140081241m0_53406928Sun, 30 Jun 2024 21:39:09 +0800https://blog.youkuaiyun.com/m0_53406928/article/details/140070857https://blog.youkuaiyun.com/m0_53406928/article/details/140070857m0_53406928Sat, 29 Jun 2024 21:25:58 +0800