例5.4

例5.4

#include<stdio.h>
#define SUM 100000
int main()
{
float amount,aver,total;
int i;
for (i=1;total=0;i<=1000;i++)
{
printf("please enter amount:");
scabf("%f",&amount);
total = total+amount;
if(total>=SUM) break;
}
aver=total/i;
printf("num=%d\naver=%10.2f\n",i,aver);
return 0;
}