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Re:哪位牛人帮忙看看呀?怎么老是WA呀?In Reply To:哪位牛人帮忙看看呀?怎么老是WA呀? Posted by:liaoqiaozhi at 2010-08-05 14:23:38 #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]; 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:
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