题解 | #两数之和#

class Solution {
public:
    /**
     * 
     * @param numbers int整型vector 
     * @param target int整型 
     * @return int整型vector
     */
    vector<int> twoSum(vector<int>& numbers, int target) {
        // write code here
        int len = numbers.size();
        for (int i1=0; i1<len-1;++i1) {
            for (int i2=i1+1; i2<len; ++i2) {
                if (numbers[i1] + numbers[i2] == target) {
                    vector<int> ret = {i1+1, i2+1};
                    return ret;
                }
            }
        }
        return vector<int>();
    }
};