func_code_string: #include <bits/stdc++.h>   using namespace std;   void ret(string s) {     cout << s;     exit(0);   }   int main() {     int x1, x2, y1, y2, n;     cin >> n >> x1 >> y1 >> x2 >> y2;     if (x1 * x2 == 0 && x1 + x2 == n)       cout << min(n + y1 + y2, 3 * n - y1 - y2);     else if (y1 * y2 == 0 && y1 + y2 == n)       cout << min(n + x1 + x2, 3 * n - x1 - x2);     else       cout << abs(x1 - x2) + abs(y1 - y2);     return 0;   }   