题解 | #统计同成绩学生人数#

#include<iostream>

using namespace std;

const int N = 1010;

int a[N];

int main()
{
    int n, t, x;
    while(cin >> n)
    {
        if(n == 0) return 0;
        for(int i = 0; i < n; i ++) {
            cin >> t;
            a[t] ++;
        }
        cin >> x;
        cout << a[x] << endl;
    }
    return 0;
}