独木舟上的旅行

http://acm.nyist.net/JudgeOnline/problem.php?pid=71

 
#include
#include
#include
#include
#include
using namespace std;
int main()
{
        int t;
        scanf("%d",&t);
        int arr[310];
        while(t--)
        {
            int n,val,temp;
            scanf("%d%d",&val,&n);
            for(int i=1;i<=n;i++)
            {
                scanf("%d",arr+i);
            }
            sort(arr+1,arr+n+1);
            int sum=n;
           for(int i=1,k=n;i