Educational Codeforces Round 63 (Rated for Div. 2) B

数8的个数 

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn =1e5+10;
const int INF=0x3f3f3f3f;
char s[maxn];
int main(int argc, char const *argv[])
{
	int n;scanf("%d",&n);
	scanf("%s",s);    int len=strlen(s);
	map<int,int>mp;
	int cnt1=0;int cnt2=0;
	for(int i=0;i<n-10;i++)
	{
		if(s[i]=='8') cnt1++;
		else cnt2++;
	}
	if(cnt1<cnt2) cout<<"NO"<<endl;
	else cout<<"YES"<<endl;
	return 0;
}