func_code_string: #include <bits/stdc++.h>   using namespace std;   int a, b, xa, ya, xb, yb;   int main() {     scanf( %d%d%d%d%d%d , &a, &b, &xa, &ya, &xb, &yb);     a <<= 1, b <<= 1;     int x1 = (xa + ya), y1 = (xa - ya), x2 = (xb + yb), y2 = (xb - yb);     int sector_1_x = (x1 / a) - (x1 < 0), sector_1_y = (y1 / b) - (y1 < 0);     int sector_2_x = (x2 / a) - (x2 < 0), sector_2_y = (y2 / b) - (y2 < 0);     printf( %d n ,            max(abs(sector_1_x - sector_2_x), abs(sector_1_y - sector_2_y)));     return 0;   }   