who is the best?

 1 #include <iostream>
 2 #include <cstdio>
 3 #include <cstring>
 4 using namespace std;
 5 int main()
 6 {
 7     int t,n,num,maxn;
 8     int a[1000];
 9     scanf("%d",&t);
10     while(t--)
11     {
12         scanf("%d",&n);
13         maxn=-1;
14         memset(a,0,sizeof(a));
15         for(int i=1;i<=n;i++)
16         {
17             scanf("%d",&num);
18             a[num]++;
19             if(a[num]>maxn)
20             {
21                 maxn=a[num];
22             }
23         }
24         for(int i=1;i<=n;i++)
25         {
26             if(a[i]==maxn)
27             {
28                 printf("%d\n",i);
29                 break;
30             }
31         }
32     }
33     return 0;
34 }