ABC092B - Chocolate

問題：B - Chocolate

#include <iostream>
using namespace std;

#define REP(i, n) for (int i = 0; i < (n); ++i)

int main(void) {
    int n, d, x, a, ans = 0;

    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> n;
    cin >> d >> x;
    REP(i, n) {
        cin >> a;
        REP(j, d) {
            if (j % a == 0) {
                ans++;
            }
        }
    }
    
    cout << ans + x << "\n";
    return 0;
}