package q3315

func minBitwiseArray(nums []int) []int {
	for i, num := range nums {
		if num == 2 {
			nums[i] = -1
			continue
		}

		t := 1
		for ; num|(t<<1) == num; t <<= 1 {
		}
		nums[i] = num - t
	}
	return nums
}

var _ = minBitwiseArray