certain专题

Leetcode 3017. Count the Number of Houses at a Certain Distance II

Leetcode 3017. Count the Number of Houses at a Certain Distance II 1. 解题思路2. 代码实现 题目链接:3017. Count the Number of Houses at a Certain Distance II 1. 解题思路 这一题其实思路上还是比较简单的,显然任何一个图都可以拆分为以下三个部分: 环环的左侧环

YouTube embed gives “restricted from playback on certain sites” error despite API metadata indicatin

NSDictionary *playerVars = @{@"origin" : @"http://www.youtube.com",};[self.playerView loadWithVideoId:@"KOvoD1upTxM" playerVars:playerVars]; 参考网站 https://youtube-eng.googleblog.com/2011/12/unders