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main.cpp - Two Sum Problem
#include <iostream>
#include <vector>
#include <unordered_map>
using namespace std;
vector <int> twoSum ( vector <int>& nums, int target) {
unordered_map<int, int> map;
for ( int i = 0; i < nums.size(); i++) {
int complement = target - nums[i];
if (map.find(complement) != map.end()) {
return { map[complement], i };
}
map[nums[i]] = i;
}
return {};
}
Compiled Successfully
Runtime: 4ms

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