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- class Solution {
- public:
- vector<int> twoSum(vector<int>& nums, int target) {
- multimap<int, int> nTable;
- multimap<int, int>::iterator it;
- vector<int> result;
- for(int i = 0; i < nums.size(); i++) {
- int c = target - nums[i];
- nTable.insert(make_pair(nums[i], i));
- it = nTable.find(c);
- if(it != nTable.end() && i != it->second) {
- if(it->first == nums[i]) {
- result.push_back(it->second);
- result.push_back(i);
- return result;
- }
- result.push_back(i);
- result.push_back(it->second);
- return result;
- }
- }
- return result;
- }
- };
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