func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, i, j;     scanf( %d , &n);     int arr[n];     for (i = 0; i < n; i++) scanf( %d , &arr[i]);     int t = 0;     int index = -1;     for (i = 0; i < n; i++)       if (arr[i] - arr[(i + 1) % n] > 0) {         t++;         index = i;       }     if (t > 1) {       cout <<  -1 n ;       return 0;     }     if (index == -1)       cout <<  0 n ;     else       cout << (n - index - 1) << endl;     return 0;   }   