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Re:为什么可以AC,但却得不出正确的结果

Posted by ymzhang at 2009-06-21 23:05:59 on Problem 1004
In Reply To:为什么可以AC,但却得不出正确的结果 Posted by:jyyan123 at 2009-05-20 07:26:50
> #include<stdio.h>
> #include<math.h>
> int main()
> {
>     float dollar[12];
>     float sum=0;
>     float average;
>     int i;
>     for(i=0;i<12;i++)
>     {
>         scanf("%f",&dollar[i]);
>     }
>     for(i=0;i<12;i++)
>     {
>         sum=sum+dollar[i];
>     }
>     average=(float)(sum/12);
>     printf("$%.2f",average);
>     return 0;
> }
可以得出来正确结果啊 不过math.h头文件好似没有什么用吧

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