#include<stdio.h>
int main()
{#include<stdio.h>
int main()
{
int minutes;
printf("enter the minutes\n");
while(minutes>=0)
{
scanf("%d\n",&minutes);
printf(%d %d\n，minutes/60,minutes%60);         
}
getch();                                                
return 0;
}
  结果： enter the minutes
         60          //回车
         70
         1   0
         80   
         1   10      //显示的上一次的结果。
int minutes;
printf("enter the minutes\n");
while(minutes>=0)
{
scanf("%d",&minutes);
printf(%d %d\n，minutes/60,minutes%60);
}
getch();
return 0;
}               //这个才正常，怎麽回事。。