two sum II -Input array is sorted.cpp

class Solution {
public:
    vector<int> twoSum(vector<int>& numbers, int target) {
        int start=0;
        int end=numbers.size()-1;
        
        vector<int>ans;
        
        while(start<end){
            if(numbers[start]+numbers[end]==target){
                ans.push_back(start+1);
                ans.push_back(end+1);
                return ans;
            }
            if(numbers[start]+numbers[end]>target)end--;
            else start++;
        }
        
        
        return ans;
    }
};