输入：XXX XXX 小时 分钟

输出：

XXX：XXX ~ XXX: XXX

XXX：XXX ~ XXX: XXX

XXX：XXX ~ XXX: XXX

处理：间隔五分钟、区间45分钟

14:15 ~ 15:0

15:5 ~ 15:50

15:55 ~ 16:40

16:45 ~ 17:30

17:35 ~ 18:20

18:25 ~ 19:10

19:15 ~ 20:0

20:5 ~ 20:50

20:55 ~ 21:40

21:45 ~ 22:30

import java.util.Scanner;public class timetable {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);int a = scanner.nextInt();int b = scanner.nextInt();while (a<22) {if(b+45>60){System.out.println(a+":"+ b+" ~ "+(a+1)+":"+ (b+45-60));b=b+50-60;a++;}else if(b+45==60){System.out.println(a+":"+ b+" ~ "+(a+1)+":00");b=b+50-60;a++;}else if(b-5==0){System.out.println(a+":"+ b+"0"+" ~ "+a+":"+ (b+45));b=b+50;}else{System.out.println(a+":"+ b+" ~ "+a+":"+ (b+45));b=b+50;}}}
}