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求助~实在是束手无策了!~为什么会老是TLE

Posted by ray58750034 at 2005-03-05 22:50:10 on Problem 2231
<p>
#include <iostream>
 using namespace std;

int main1()
{
    short n,i,j;
    unsigned temp;
    cin>>n;
    long long sum=0;
	unsigned* data=new unsigned[n];
	for(i=0;i<n;i++)
	    cin>>data[i];
    for(i=0;i<n-1;i++){
        for(j=i+1;j<n;j++){
            if(data[j]>=data[i])
            temp=(data[j]-data[i]);
            else
            temp=(data[i]-data[j]);
            sum+=temp;
		}
   }
  cout <<sum*2 <<endl;
    return 0;
}
</p>

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