A website domain like "discuss.leetcode.com" consists of various subdomains. At the top level, we have "com", at the next level, we have "leetcode.com", and at the lowest level, "discuss.leetcode.com". When we visit…

class Solution { public: void SplitString(const string& s, vector<string>& v, const string& c) { string::size_type pos1, pos2; pos2 = s.find(c); pos1 = ; while (string::npos != pos2) { v.push_back(s.substr(pos1, pos2 - pos1)); pos1 = pos…

一个网站域名,如"discuss.leetcode.com",包含了多个子域名.作为顶级域名,常用的有"com",下一级则有"leetcode.com",最低的一级为"discuss.leetcode.com".当我们访问域名"discuss.leetcode.com"时,也同时访问了其父域名"leetcode.com"以及顶级域名 "com". 给定一个带访问次数和…