package q1318

func minFlips(a int, b int, c int) int {
	aorb := a | b
	flips := 0

	p := 1
	for p <= aorb || p <= c {
		switch {
		case c|p == c && aorb|p != aorb:
			flips++ // c has the bit

		case c|p != c && aorb|p == aorb:
			if a|p == a {
				flips++ // a has the bit
			}
			if b|p == b {
				flips++ // b has the bit
			}
		}

		p <<= 1
	}

	return flips
}

var _ = minFlips