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Re:为什么我的还是总WA?In Reply To:为什么我的还是总WA? Posted by:jackie_wyx at 2007-03-11 12:41:33 > #include <stdio.h>
>
> main()
> {
> int t,n,k,i,max,sum;
> int a[50002],b[50002],c[50002];
>
> scanf("%d",&t);
> for(k=1;k<=t;k++)
> {
> scanf("%d",&n);
> max=0;
> sum=0;
> for(i=1;i<=n;i++)
> {
> scanf("%d",&a[i]);
> sum+=a[i];
> if(sum<0) sum=0;
> else if(sum>max) max=sum;
> b[i]=max;
> }
> max=0;
> sum=0;
> for(i=n;i>=1;i--)
> {
> sum+=a[i];
> if(sum<0) sum=0;
> else if(sum>max) max=sum;
> c[i]=max;
> }
> max=0;
> for(i=1;i<n;i++)
> if(b[i]+c[i+1]>max) max=b[i]+c[i+1];
> printf("%d\n",max);
> }
>
> return(0);
> }
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