Create 12_groupAnagrams.cpp

Author: FazeelUsmani

08 August Leetcode Challenge 2021/12_groupAnagrams.cpp

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+class Solution {
+public:
+ vector<vector<string>> groupAnagrams(vector<string>& strs) {
+ unordered_map<string, vector<string>> mp;
+ for(auto i: strs){
+ string temp = i;
+ sort(temp.begin(), temp.end());
+ mp[temp].push_back(i);
+ }
+ 
+ vector<vector<string>> res;
+ for(auto i: mp){
+ res.push_back(i.second);
+ }
+ 
+ return res;
+ }
+};