C++ を使用して 0 のうち 1 のパターンを見つける

Input : rows = 5, columns = 4
Output :
   1 1 1 1
   1 0 0 1
   1 0 0 1
   1 0 0 1
   1 1 1 1

Input : rows = 8, columns = 9
Output :
   1 1 1 1 1 1 1 1 1
   1 0 0 0 0 0 0 0 1
   1 0 0 0 0 0 0 0 1
   1 0 0 0 0 0 0 0 1
   1 0 0 0 0 0 0 0 1
   1 0 0 0 0 0 0 0 1
   1 0 0 0 0 0 0 0 1
   1 1 1 1 1 1 1 1 1

using namespace std;

#include <bits/stdc++.h>
// Function to print pattern
void create_pattern (int rows, int columns) {

   int i, j;
   for (i = 1; i <= rows; i++) {
      for (j = 1; j <= columns; j++) {
      // If element is in first/last row or first/last column
         if (i == 1 || i == rows || j == 1 || j == columns) {
            cout << " 1";
         } else {
            cout << " 0";
         }
      }
      cout << "\n";
   }
   return;
}

int main () {
   int no_of_rows = 7;
   int no_of_columns = 8;

   create_pattern (no_of_rows, no_of_columns);
   return 0;
}

1 1 1 1 1 1 1 1
1 0 0 0 0 0 0 1
1 0 0 0 0 0 0 1
1 0 0 0 0 0 0 1
1 0 0 0 0 0 0 1
1 0 0 0 0 0 0 1
1 1 1 1 1 1 1 1