func_code_string: #include <bits/stdc++.h>   using namespace std;   int a, b;   bool bad(int x, int y) {     return abs(x + y) % (2 * a) == 0 || abs(x - y) % (2 * b) == 0;   }   void reorder(int& x, int& y) {     int xx = (x - y) / 2;     int yy = (x + y) / 2;     x = xx;     y = yy;   }   void norm(int& x, int& y) {     if ((x + y) % 2 == 0) return;     if (!bad(x + 1, y))       x++;     else if (!bad(x - 1, y))       x--;     else if (!bad(x, y + 1))       y++;     else if (!bad(x, y - 1))       y--;   }   int torect(int x, int a) {     if (x <= 0)       return x / a;     else       return x / a + 1;   }   int main() {     int x1, y1, x2, y2;     cin >> a >> b >> x1 >> y1 >> x2 >> y2;     norm(x1, y1);     norm(x2, y2);     reorder(x1, y1);     reorder(x2, y2);     x1 = torect(x1, b);     x2 = torect(x2, b);     y1 = torect(y1, a);     y2 = torect(y2, a);     int dx = abs(x1 - x2);     int dy = abs(y1 - y2);     int ans = max(dx, dy);     cout << ans <<   n ;     return 0;   }   