#include "stdio.h"
int main(int argc,char *argv[]){
int s,m,n,l;
printf("Please enter data(int >=0, <0 end)...\n");
for(l=s=m=0,n=1;m>=0;n++){
scanf("%d",&m);
if(m<60 && m>=0)
l++;
else if(m<0)
break;
s+=m;
}
printf("Average = %.2f\nCount = %d\n",s/(n-0.0),l);
return 0;
}
运行样例: