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read faqIn Reply To:我的程序超时了(超了15ms)，不知怎么改才好,恳请尊敬的的各位帮一忙，小弟不胜感激 Posted by:acmgotogether at 2006-04-18 01:29:31 > #include<iostream>
> using namespace std;
> int max(int a,int b)
> {
> if(a>=b)
> return a;
> else
> return b;
> }
>
> int main()
> {
> int n;int sum1=0,sum2=0,s;int T;
> cin>>T;
> for(int l=1;l<=T;l++)
> {
>
> cin>>n;
> int *a=new int [n];
> for(int i=0;i<n;i++)
> {
> cin>>a[i];
> }
>
> for(int s1=0;s1<=n-2;s1++)
> for(int t1=s1;t1<=n-2;t1++)
> for(int s2=t1+1;s2<=n-1;s2++)
> for(int t2=s2;t2<=n-1;t2++)
> {
>
> for(int ii=s1;ii<=t1;ii++)
> {
> sum1+=a[ii];
> }
> for(int jj=s2;jj<=t2;jj++)
> {
> sum2+=a[jj];
> }
>
> if(s1==0&&t1==0&&s2==1&&t2==1){s=sum1+sum2;sum1=0;sum2=0;}
> else
> {s=max(sum1+sum2,s);sum1=0;sum2=0;}
>
>
> }
> cout<<s<<endl;
> }
>
> return 0;
> }
>
>
>
>
>
>
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