leetcode 468. 验证IP地址
void split(const string& s,vector& ip,char c){ stringstream ss(s); string tmp; while(getline(ss,tmp,c)) ip.push_back(tmp); if(s.size() > 0 && s.back() == c) ip.push_back({}); //如果s最后的元素为c,则再在ip后面push_back一个空字符串 }

leetcode 468. 验证IP地址
void split(const string& s,vector& ip,char c){ stringstream ss(s); string tmp; while(getline(ss,tmp,c)) ip.push_back(tmp); if(s.size() > 0 && s.back() == c) ip.push_back({}); //如果s最后的元素为c,则再在ip后面push_back一个空字符串 }