九度 1018

代码

#include <iostream>#include <cstdio>#include <algorithm>using namespace std;int main(){int n,i,flag,t;int Hash[101];while(scanf("%d",&n)!=EOF){if(n==0)break;for(i=0;i<n;i++){cin>>t;Hash[t]++;}cin>>flag;cout<<Hash[flag]<<endl;}return 0;}