“Periksa apakah objek JTH ada di subset” Kode Jawaban

Periksa apakah objek JTH ada di subset

S = A & (1 << j)
If S = 0, then the j-th item of the set is off.
If S != 0 (to be precise, T = (1 << j)), then the j-th item of the set is on.