#include <iostream>
#include <vector>
#include <algorithm>


struct Block {
    int length;
    int number;
};

int main(int argc, char const* argv[]) {
    int n;
    std::cin >> n;

    std::vector<Block> blocks(n);
    for (int i = 0; i < n; i++) {
        blocks[i].number = i + 1;
        std::cin >> blocks[i].length;
    }

    std::sort(blocks.begin(), blocks.end(), [](Block x, Block y) { return x.length > y.length; });

    int ans = 0;
    for (int i = 0; i < n; i++) {
        if (blocks[i].number < blocks[i+1].number) {
            ans = n - (i + 1);
            break;
        }
    }

    std::cout << ans << std::endl;
    return 0;
}