website_502_BAD_GATEWAY@tg says to 電訊台

class Solution{ public: vector<int> twoSum(vector<int>& nums, int target) { vector<int> ans; map<int, int> hashMap; map<int, int>::iterator iter; for(int i=0; i<nums.size();i++){ iter = hashMap.find(target-nums[i]); if(iter != hashMap.end()){ ans.push_back(iter->second); ans.push_back(i); return ans; } else hashMap.insert(pair<int, int>(nums[i], i)); } return ans; } };

at Sat, Jan 2, 2021 11:40 PM