[백준-13458번/Java] 시험 감독

import java.io.*;
import java.util.*;

public class Main {

	static long total = 0;

	public static void main(String[] args) throws IOException {

		Scanner scan = new Scanner(System.in);

		int N = scan.nextInt();
		int[] arr = new int[N];

		for (int i = 0; i < N; i++) {
			arr[i] = scan.nextInt();
		}

		int B = scan.nextInt();
		int C = scan.nextInt();

		for (int i = 0; i < arr.length; i++) {
			int num = arr[i];
			if (num < B) {
				total += 1;
			} else {
				num -= B;
				total += Math.ceil((double) num / C) + 1;
			}
		}

		System.out.println(total);
		scan.close();

	}

}