题解 | #字符串的排列#
字符串的排列
http://www.nowcoder.com/practice/fe6b651b66ae47d7acce78ffdd9a96c7
class Solution { public: vector<string> Permutation(string str) { vector<string> vans; sort(str.begin(), str.end()); do{ vans.emplace_back(str); }while(next_permutation(str.begin(), str.end())); return vans; } };