hau 1031 Design T-Shirt

http://acm.hdu.edu.cn/showproblem.php?pid=1031

2012 新年A的第一道题目。纪念一下。

水题： 有m个东西要n个人评价给分，求出k个人的评价给分最高

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
#define MAXN 1000
struct node
{
  double val;
  int num;
}tagp[MAXN];

bool cmp1(node a,node b)
{
  return a.val>b.val;
}
bool cmp2(int a,int b)
{
    return a>b;
}
int arry[MAXN];
int main()
{
   int n,m,k,i,j;
   double val;
   while (~scanf("%d %d %d",&n,&m,&k))
   {
       memset(tagp,0,sizeof(tagp));
       for (i = 0; i < m; ++i)
       tagp[i].num = i;
       for (i = 0; i < n; ++i)
       {
           for (j = 0; j < m; ++j)
           {
                scanf("%lf",&val);
                tagp[j].val += val;
           }
       }

       sort(tagp,tagp + m,cmp1);
       for (i = 0; i < k; i++)
       {
         arry[i] = tagp[i].num+1;
       }
       sort(arry,arry + k,cmp2);
        for (i = 0; i < k-1; ++i)
        printf("%d ",arry[i]);
        printf("%d\n",arry[i]);
   }
    return 0;
}