func_code_string: #include <bits/stdc++.h>   #pragma GCC optimize( O3 )   #pragma GCC optimize( unroll-loops )   #pragma GCC target( avx2 )   using namespace std;   const int MOD = 1000 * 1000 * 1000 + 7;   signed main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int a, b, x1, y1, x2, y2;     cin >> a >> b >> x1 >> y1 >> x2 >> y2;     int x1_ = x1 + y1;     int y1_ = x1 - y1;     int x2_ = x2 + y2;     int y2_ = x2 - y2;     x1 = x1_ / (2 * a);     if (x1_ > 0) x1++;     x2 = x2_ / (2 * a);     if (x2_ > 0) x2++;     y1 = y1_ / (2 * b);     if (y1_ > 0) y1++;     y2 = y2_ / (2 * b);     if (y2_ > 0) y2++;     cout << max(abs(y2 - y1), abs(x1 - x2)) <<   n ;     return 0;   }   