func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, arr[111111];   int main() {     cin >> n;     arr[0] = 0x3f3f3f3f;     for (int i = 1; i <= n; ++i) cin >> arr[i];     int ans = 0;     for (int i = 0; i < n; ++i) {       int ii = n - i;       if (arr[ii] < arr[ii - 1]) {         ans = i;         break;       }     }     ans = n - ans - 1;     cout << ans << endl;     return 0;   }   