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Re:why wrong 指点一下In Reply To:why wrong 指点一下 Posted by:wangfengtian at 2008-12-07 19:33:53 > #include<stdio.h>
> #include<math.h>
> void main()
> {
> int a[10000],n,s,i,j;
> scanf("%d",&n);
> for(i=0;i<n;i++)
> scanf("%d",&a[i]);
> for(i=0,s=0;i<n;i++)
> {
> for(j=i+1;j<n;j++)
> s=s+2*abs(a[i]-a[j]);
> }
> printf("%d\n",s);
> }
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