Best code水题之路

Uncertain

#include<stdio.h>
#include<string.h>
#include<string>
#include<iostream>
#include<algorithm>
#include<math.h>
#include<stdlib.h>
using namespace std;
#define LL long long
#define M 100010
#define inf 0x7f7f7f7f
#define PI 3.1415926
#define mod 1000000007
int n,m;
int a[25];
void dfs()
{

}
int main()
{
scanf("%d",&n);
while(n--)
{
int sum=0,ave=0;
scanf("%d",&m);
for(int i=0;i<m;i++)
{
scanf("%d",&a[i]);
sum+=a[i];
}
ave=sum/4;
sort(a,a+m);
if(sum%4||ave<a[m-1]||m<4)
{
printf("no\n");
continue;
}

}
}