14 lines
332 B
C++
14 lines
332 B
C++
#include "s0001_two_sum.hpp"
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vector<int> S0001::twoSum(vector<int>& nums, int target) {
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unordered_map<int, int> hashtable;
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for (int i = 0; i < nums.size(); ++i) {
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auto it = hashtable.find(target - nums[i]);
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if (it != hashtable.end()) {
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return {it->second, i};
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}
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hashtable[nums[i]] = i;
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}
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return {};
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}
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