If No break : all are 1 as in 111 or 11111 ; in such case , add extra 1 at beginning
if ( i == - 1 ) { twos = '1' + twos ; } Console . WriteLine ( "1 ' s ▁ complement : ▁ " + ones ) ; ; Console . WriteLine ( "2 ' s ▁ complement : ▁ " + twos ) ; }