#include <iostream>

struct result{
    int nums[2];
};


result* xseek(int* a, int len, int x)
{
    auto res = new result;
    int* b = a + --len;
    do {
        if((*a + *b) == x) {
            res->nums[0] = *a;
            res->nums[1] = *b;
            return res;
        } else if((*a + *b) < x) {
            a++;
        } else if((*a + *b) > x) {
            b--;
        }
    } while (a != b);

}

int main()
{
    int arr[5] = {0, 1, 2, 3, 4};
    int* a = arr;
    auto res = xseek(a, 5, 7);

    std::cout << res->nums[0] << ',' << res->nums[1] << std::endl;
}