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Re:哪位牛人帮忙看看呀?怎么老是WA呀?In Reply To:Re:哪位牛人帮忙看看呀?怎么老是WA呀? Posted by:liaoqiaozhi at 2010-08-05 14:23:54 > #include<stdio.h> > #include<stdlib.h> > int cmp(const void *a, const void *b) > { > return *(int*)a-*(int*)b; > } > int main() > { > int n,i,j,t,time,a[1001]; > scanf("%d",&t); > while(t--) > { > scanf("%d",&n);time=0;j=0; > for(i=0;i<n;i++)scanf("%d",&a[i]); > qsort(a,n,sizeof(a[0]),cmp); > while((n-j)>=4) > { > if(a[1]*2<=a[n-j-2]+a[0]) > time+=2*a[1]+a[0]+a[n-j-1]; > else time+=a[n-j]+a[n-j-2]+2*a[0];//这里修改为a[n-j-1]; > j+=2; > } > if(n-j==3)time+=a[0]+a[2]+a[1]; > else if(n-j==2)time+=a[1]; > else if(n-j==1)time+=a[0]; > printf("%d\n",time); > } > return 0; > } > > Followed by: Post your reply here: |
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