C Primer Plus 6 第五章编程练习

#include<stdio.h>
#define M 60	//一小时等于60分钟

int main(void)
{
	int hour;	//小时格式
	int min;	//分钟格式
	int a;	//小时分钟格式中的分钟

	printf("Please enter a time(min):");
	scanf("%d", &min);
	while(min>0)
	{
		hour = min / M;	//小时
		a = min % M;	//分钟
		printf("%d min is %d hour %d min.\n", min, hour, a);
		printf("Do you want to exit, enter a time(time<=0).\n");
		scanf("%d", &min);
	}
	printf("Done!\n");
	return 0;
}#include<stdio.h>
#define M 60	//一小时等于60分钟