16 lines
443 B
C++
16 lines
443 B
C++
class Solution {
|
|
public:
|
|
vector<vector<string>> groupAnagrams(vector<string>& strs) {
|
|
unordered_map<string, vector<string>> data;
|
|
for(const auto &s : strs){
|
|
auto key = s;
|
|
sort(key.begin(), key.end());
|
|
data[key].push_back(s);
|
|
}
|
|
vector<vector<string>> ret;
|
|
for(const auto &line : data){
|
|
ret.push_back(line.second);
|
|
}
|
|
return ret;
|
|
}
|
|
}; |