program main
    implicit none
    integer :: i, n
    real(8) :: s = 0, t, d, r = 0, x
    read *, n
    do i = 1, n
        read *, x
        d = sqrt(x) + r
        t = s + d
        r = d - (t - s)
        s = t
        print '(g0)', t
    end do
end program main