What's wrong in my code

[systempro48608]

plz correct me asap…!

{ include bits/stdc++
using namespace std;
int main()
{
int test;
int static i=0;
unsigned long p[3],x[3];
cin>>test;
while(test–)
{

	for(int z=0;z<3;z++)
	cin>>x[z];
	sort(x,x+3);
	p[i]=x[1];
	i=i+1;
	}
for(int i=0;i<test;i++)
	cout<<p[i];

}
}

question is https://www.codechef.com/problems/FLOW017