[백준, BOJ 23971] ZOAC 4 (java)

https://www.acmicpc.net/problem/23971

메모리: 14,204 KB , 시간: 100 ms

사용 알고리즘: 사칙연산, 수학

728x90

---

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

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

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        StringTokenizer st = new StringTokenizer(br.readLine());
        int H = Integer.parseInt(st.nextToken());
        int W = Integer.parseInt(st.nextToken());
        int N = Integer.parseInt(st.nextToken()) + 1;
        int M = Integer.parseInt(st.nextToken()) + 1;

        long result = H / N + (H % N != 0 ? 1 : 0);
        result *= W / M + (W % M != 0 ? 1 : 0);
        System.out.println(result);
    }
}