C++ Program printing *-shape

#include<iostream>
#include<iomanip>
using namespace std;

int main()

{

int DecN , N;

cout << "Enter number for one line of X-shape: ";

cin >> N;

while( N<=0 || N%2==0 )

{

cout << "Wrong Input! Enter again: ";

cin >> N;

}

cout << "The X-Shape is:\n";

DecN=N;

for( int i=1 ; i<=N ; i++ )

{

cout << setw(25);

for( int j=1 ; j<=N ; j++)

{

if( j==i || j==DecN || j==((i+DecN)/2) || i==DecN )

cout << "*";

else

cout << " ";

}

cout << endl;

DecN-=1;

}

return 0;

}