没发现错误

#include<bits/stdc++.h>
using namespace std;
int n;
string s;
int ans=0;
int main()
{
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>s;
		if(s[0]!='#')
			continue;
		if(s[0]=='#'&&s[1]=='#')
			continue; 
		if(s[1]>='a'&&s[1]<='z'||s[1]>='A'&&s[1]<='Z')
			continue;
		ans++;
	}
	cout<<ans;
	return 0;
}