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牛哥们帮忙看下,谢了哈.runtime#include<stdio.h>
main()
{long n,a[100],i,j,sum;
scanf("%d",&n);
for(i=0;i<n;i++)
scanf("%d",&a[i]);
sum=0;
for(i=0;i<n;i++)
{for(j=0;j<n;j++)
{if(a[i]>=a[j])
sum=sum+a[i]-a[j];
else sum=sum+a[j]-a[i];
}
}
printf("%d\n",sum);
}
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