func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     float a, b, c, t;     cin >> a >> b;     if (a > b) swap(a, b);     c = (b - a) / 2;     t = floor(c);     c = ceil(c);     int f = 0, y = 0;     for (int i = 1; i <= c; i++) {       f += i;     }     for (int i = 1; i <= t; i++) {       y += i;     }     cout << f + y;     return 0;   }   