c_cpp 167.两个Sum II - 输入数组被排序 - DifficultyEasy - 2018.9.1

Posted 2021-05-14

class Solution {
public:
    vector<int> twoSum(vector<int>& numbers, int target) {
        map<int, int> numDic;
        vector<int> result;
        for (int i = 0; i < numbers.size(); i++) {
            if (numDic[numbers[i]] != NULL) {
                result.insert(result.end(), numDic[numbers[i]]);
                result.insert(result.end(), i+1);
            } else {
                numDic[target - numbers[i]] = i+1;
            }
        }
        return result;
    }
};