求教入门题

#include<bits/stdc++.h>


using namespace std;

int ans;


int main()
{
    int n;
    cin >> n;

    int a[n]={0};

    int fin = 0;

    for(int i = 0;i < n;i++)
    {

        cin >> a[n];
        fin+=a[n];
    }

    if(fin == 0)
    {

        cout << 0;
        return 0;
    }

    ans = 0;

    for(int i = 1;i < n;i++)
    {
        if(a[i-1] > a[i] && a[i+1] >a[i])
        {

            ans++;
        }
        else if(a[i-1] > a[i] && i != 0)
        {

            for(int j = i+1;j <= n;j++)
            {

                if(a[j] > a[i])
                {

                    ans++;
                    break;
                }
            }
        }
    }

    cout <<ans;

    return 0;
}