Răspuns:
using namespace std;
#include <iostream>
#include <stdlib.h>
#include <math.h>
int main() //programul principal
{
int i,j,n;
int m[100][100];
cout<<"n ";cin>>n;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if ((i==1) || (i==n))
cout<<"*";
else //if ((i>1) && (i<n))
if ((j==1) || (j==n))
cout<<"*";
else
cout<<"$";
}
cout<<"\n";
}
}