class Solution {
public:
/**
*
* @param numbers int整型vector
* @param target int整型
* @return int整型vector
*/
vector<int> twoSum(vector<int>& numbers, int target) {
unordered_map<int, int> m;
for(int i=0; i<numbers.size(); i++){
if(m.count(target-numbers[i])){
return {m[target-numbers[i]]+1, i+1};
} else{
m[numbers[i]] = i;
}
}
return {};
// write code here
}
};

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