我在本地电脑上运行了，结果正确，但在leetcode上报错，不知道是代码的问题还是操作错误，求指教。谢谢
class Solution {
public:
    vector<int> twoSum(vector<int>& nums, int target) {
        
       
    int a=0,b=1;
    

    vector<int>::iterator ite1= nums.begin();

    vector<int>::iterator ite2= ite1+1;
    vector<int> result;
    bool found=0;
    for(;(ite1!= nums.end()&&(found==0));ite1++,a++)
    {
        if (*ite1>target)
        {
            ite1++;
        }
        for(ite2=  ite1+1,b=a+1;ite2!= nums.end();ite2++,b++)
        {
            if (*ite2>target)
            {
                ite2++;
            }

            if((*ite1+*ite2)==target)
            {
                result.clear();
                found=1;
                result.push_back(a);
                result.push_back(b);
                break;
            }

        }
    }
    return result;
};