백준 2884 알람 시계[Java]

https://www.acmicpc.net/problem/2884

나의 풀이

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

public class Main {

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

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine());
        int h = Integer.parseInt(st.nextToken());
        int m = Integer.parseInt(st.nextToken());

        m -= 45;

        if (m < 0) {
            m += 60;
            h -= 1;
        }
        if (h < 0)
            h = 23;

        System.out.printf("%d %d", h, m);
    }
}