func_code_string: #include <bits/stdc++.h>   using namespace std;   int up_div(int a, int b) { return a / b + (a % b != 0); }   int down_div(int a, int b) { return a / b; }   int main() {     int a, b;     cin >> a >> b;     int res = 0;     for (int k = 1; k <= a + b; ++k) {       int d = (a + b) / k;       int min_k = k;       int max_k = (a + b) / d;       res += (up_div(a, d + 1) <= down_div(a, d) &&               up_div(b, d + 1) <= down_div(b, d)) *              (min(down_div(a, d) + down_div(b, d), max_k) -               max(up_div(a, d + 1) + up_div(b, d + 1), min_k) + 1);       k = max_k;     }     cout << res <<   n ;     return 0;   }   