text: Driven Program
code: int main ( ) { int m [ R ] [ C ] = { 1 , 2 , 3 , 3 , 4 , 5 , 6 , 6 , 7 , 8 , 9 , 9 , } ; replacematrix ( m , R , C ) ; for ( int i = 0 ; i < R ; i ++ ) { for ( int j = 0 ; j < C ; j ++ ) cout << m [ i ] [ j ] << " ▁ " ; cout << endl ; } return 0 ; }