code:--

#include<iostream>
using namespace std;
int main()
{
int t;
cin>>t;
while(t--)
{
int n;
cin>>n;
int a[500]={0};
a[0]=1;
int l=1;
int carry=0,num;
for(int i=2;i<=n;++i)
{
for(int j=0;j<l;++j)
{
num=a[j]*i+carry;
a[j]=num%10;
carry=num/10;
}
while(carry)
a[l]=carry%10,++l,carry/=10;
}
for(int i=l-1;i>=0;--i)
cout<<a[i];
cout<<'\n';
}
return 0;
}

problem id:-http://www.spoj.com/problems/CPTTRN2/

code:-

#include <iostream>
using namespace std;

int main() {
int t;
cin>>t;
while(t--)
{
int n,m;
cin>>n>>m;
for(int i=0;i<n;++i)
{
for(int j=0;j<m;++j)
{
if(i==0||i==n-1||j==0||j==m-1)
cout<<"*";
else
cout<<".";
}
cout<<'\n';
}
cout<<'\n';
}
return 0;
}

problem id:-http://www.spoj.com/problems/CPTTRN1/

code:--

#include <iostream>
using namespace std;

int main()
{
int t;
cin>>t;
while(t--)
{
int n,m;
cin>>n>>m;
string str=".*";
int k=1;
for(int i=0;i<n;++i)
{
k=(i&1);
for(int j=0;j<m;++j)
{
k=k^1;
cout<<str[k];
}
cout<<'\n';
}
cout<<'\n';
}

return 0;
}

problem id:-http://www.spoj.com/problems/STRHH/

problem id:-http://www.spoj.com/problems/TEST/