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Re:为什么写成sum/12.0就错 写成sum/12就对了???也没有四舍五入。。???!!!In Reply To:为什么写成sum/12.0就错 写成sum/12就对了???也没有四舍五入。。???!!! Posted by:leslie_1 at 2010-07-12 17:42:04 > #include<stdio.h> > int main() > { > int i; > double a,sum=0.0; > for(i=0;i<12;i++) > { > scanf("%lf",&a); > sum+=a; > } > printf("$%.2f",sum/12); > return 0; > } > 我提交上面的就对了 > 把倒数第二行最后写成sum/12.0就wa why??? Followed by: Post your reply here: |
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