Function to put all 0 s on left and all 1 s on right
function segregate0and1 ( arr , size ) { let type0 = 0 ; let type1 = size - 1 ; while ( type0 < type1 ) { if ( arr [ type0 ] == 1 ) { arr [ type1 ] = arr [ type1 ] + arr [ type0 ] ; arr [ type0 ] = arr [ type1 ] - arr [ type0 ] ; arr [ type1 ] = arr [ type1 ] - arr [ type0 ] ; type1 -- ; } else type0 ++ ; } }