Educational Codeforces Round 65 (Div. 2)

A.前n-10个有8即合法。

 1 #include<cstdio>
 2 #include<cstring>
 3 #include<iostream>
 4 #include<algorithm>
 5 #define rep(i,l,r) for (int i=(l); i<=(r); i++)
 6 typedef long long ll;
 7 using namespace std;
 8 
 9 const int N=1010;
10 char s[N];
11 int T,n;
12 
13 int main(){
14     for (scanf("%d",&T); T--; ){
15         scanf("%d%s",&n,s+1); bool flag=0;
16         rep(i,1,n-11+1) if (s[i]=='8'){ flag=1; break; }
17         if (flag) puts("YES"); else puts("NO");
18     }
19     return 0;
20 }

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