Print final values
cout << " ( Top , ▁ Left ) : ▁ " << " ( " << fup << " , ▁ " << fleft << " ) " << endl ; cout << " ( Bottom , ▁ Right ) : ▁ " << " ( " << fdown << " , ▁ " << fright << " ) " << endl ; for ( int j = fup ; j <= fdown ; j ++ ) { for ( int i = fleft ; i <= fright ; i ++ ) cout << mat [ j ] [ i ] << " ▁ " ; cout << endl ; } }