程序

1、

#include<stdio.h>
#define SEC 60
int main (void)
{
    int hou,m,min;
    printf("Please enter time:\n");
    scanf("%d",&m);
    hou=m/SEC;
    min=m-hou*SEC;
    printf("%d minutes is %d hours,%d minutes.\n",
    m,hou,min);
    return 0;
}

2、

#include<stdio.h>
#define HOUR 60
int main(void)
{
    int minutes;
    printf("Please intput the minutes:\n");
    scanf("%d",&minutes);
    while(minutes>0)
    {
        printf("%d hours and %d minutes\n",minutes/HOUR,minutes%HOUR);
printf("Please input the minutes:");
scanf("%d",&minutes);
    }
    return 0;
}