Răspuns :
#include <iostream>
using namespace std;
int main()
{
short n, i, j;
cin >> n;
for (i=1; i<n; ++i)
{
for (j=1; j<=2*n-1; ++j)
{
if (j<i || j>2*n-i) cout << "#";
else cout << "*";
}
cout << "\n";
}
for (i=n+1; i<=2*n; ++i)
{
for (j=1; j<=2*n-1; ++j)
{
if (j<i && j>2*n-i) cout << "*";
else cout << "#";
}
cout << "\n";
}
return 0;
}