https://blog.youkuaiyun.com/Chester_1999zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/Chester_1999/article/details/167810464https://blog.youkuaiyun.com/Chester_1999/article/details/167810464Chester_1999Tue, 13 Oct 2026 19:14:21 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/167369865https://blog.youkuaiyun.com/Chester_1999/article/details/167369865Chester_1999Fri, 09 Oct 2026 12:15:17 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/167261837https://blog.youkuaiyun.com/Chester_1999/article/details/167261837Chester_1999Thu, 08 Oct 2026 11:35:43 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164989834https://blog.youkuaiyun.com/Chester_1999/article/details/164989834Chester_1999Fri, 11 Sep 2026 14:49:24 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164989438https://blog.youkuaiyun.com/Chester_1999/article/details/164989438Chester_1999Fri, 11 Sep 2026 13:59:35 +0800 target 的位置”，所以最后一个 <= target 的位置是left - 1。场景区间循环条件更新方式返回值精确查找[l, r]l <= rl=mid+1r=mid-1循环内 return mid，否则 -1左边界（第一个 >= target）[l, r)l < rl=mid+1。]]>https://blog.youkuaiyun.com/Chester_1999/article/details/164403357https://blog.youkuaiyun.com/Chester_1999/article/details/164403357Chester_1999Sat, 05 Sep 2026 20:37:05 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164374226https://blog.youkuaiyun.com/Chester_1999/article/details/164374226Chester_1999Fri, 04 Sep 2026 18:31:42 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164339692https://blog.youkuaiyun.com/Chester_1999/article/details/164339692Chester_1999Thu, 03 Sep 2026 20:33:51 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164304174https://blog.youkuaiyun.com/Chester_1999/article/details/164304174Chester_1999Wed, 02 Sep 2026 20:47:44 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164267818https://blog.youkuaiyun.com/Chester_1999/article/details/164267818Chester_1999Tue, 01 Sep 2026 20:30:50 +0800以使用 cos、round 和 acos。]]>https://blog.youkuaiyun.com/Chester_1999/article/details/164228416https://blog.youkuaiyun.com/Chester_1999/article/details/164228416Chester_1999Mon, 31 Aug 2026 19:53:21 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164192677https://blog.youkuaiyun.com/Chester_1999/article/details/164192677Chester_1999Sun, 30 Aug 2026 20:32:27 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164172126https://blog.youkuaiyun.com/Chester_1999/article/details/164172126Chester_1999Sat, 29 Aug 2026 18:13:28 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164152520https://blog.youkuaiyun.com/Chester_1999/article/details/164152520Chester_1999Fri, 28 Aug 2026 20:20:12 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164126269https://blog.youkuaiyun.com/Chester_1999/article/details/164126269Chester_1999Thu, 27 Aug 2026 22:26:14 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164096594https://blog.youkuaiyun.com/Chester_1999/article/details/164096594Chester_1999Wed, 26 Aug 2026 20:35:57 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164064382https://blog.youkuaiyun.com/Chester_1999/article/details/164064382Chester_1999Tue, 25 Aug 2026 20:13:41 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164032666https://blog.youkuaiyun.com/Chester_1999/article/details/164032666Chester_1999Mon, 24 Aug 2026 20:41:58 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/164001862https://blog.youkuaiyun.com/Chester_1999/article/details/164001862Chester_1999Sun, 23 Aug 2026 20:24:30 +0800https://blog.youkuaiyun.com/Chester_1999/article/details/163980289https://blog.youkuaiyun.com/Chester_1999/article/details/163980289Chester_1999Sat, 22 Aug 2026 20:47:26 +0800