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Re:哪里不对了 请帮忙 谢谢In Reply To:哪里不对了 请帮忙 谢谢 Posted by:gucun4848 at 2008-07-20 10:20:33 #include<stdio.h>
#include<algorithm>
using namespace std;
int a[20005];
int main()
{
int i,j,n,k,sum;
scanf("%d",&k);
for(j=1;j<=k;j++)
{
sum=0;
scanf("%d",&n);
for(i=0;i<n;i++)
scanf("%d",&a[i]);
sort(a,a+n);
if(n%3==1)
{
sum+=a[0];
for(i=1;i<n;i=i+3)
sum+=a[i];
printf("%d\n",sum);
}
else if(n%3==2)
{
sum+=a[0]+a[1];
for(i=2;i<n;i=i+3)
sum+=a[i];
printf("%d\n",sum);
}
else
{
for(i=0;i<n;i=i+3)
sum+=a[i];
printf("%d\n",sum);
}
}
return 0;
}
忘记 贴代码了!!!~~~~~
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