第二名！

#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;

int main() {
int cow_num;
cin >> cow_num;
vector<int> cows(cow_num);
for (int &c : cows) { std::cin >> c; }

vector<int> sorted_order(cows);
sort(sorted_order.begin(), sorted_order.end());
int bad_num = 0;
for (int i = 0; i < cow_num; i++) {
	if (cows[i] != sorted_order[i]) { bad_num++; }
}
cout << bad_num - 1 << endl;

}