Zengtudor/alg2025
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Zengtudor 2025-08-12 20:52:45 +08:00
parent 3433533b24
commit dc144b3046
1 changed files with 14 additions and 1 deletions
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15
src/8/12/group-anagrams.cpp
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@ -1,3 +1,6 @@
#include <algorithm>
#include <unordered_map>
#include <utility>
#include<vector> #include<vector>
#include<string> #include<string>
using namespace std; using namespace std;
@ -5,7 +8,17 @@ using namespace std;
class Solution { class Solution {
public: public:
vector<vector<string>> groupAnagrams(vector<string>& strs) { vector<vector<string>> groupAnagrams(vector<string>& strs) {
unordered_map<string, vector<string>> m;
for(int i=0;i<strs.size();i++){
string ns=strs[i];
sort(ns.begin(),ns.end());
m[ns].push_back(std::move(strs[i]));
}
vector<vector<string>> ans;
for(auto s :m){
ans.push_back(std::move(s.second));
}
return ans;
} }
}; };