// Package q190 implements a solution for https://leetcode.com/problems/reverse-bits/
package q190

func reverseBits(n int) int {
	ret := 0
	for i := range 32 {
		if n|(1<<i) == n {
			ret |= 1 << (31 - i)
		}
	}
	return ret
}

var _ = reverseBits