leetcode (go语言) 2的幂次方

package main
import "fmt"

func isPowerOfTwo(n int) bool {
    count := 0
    for n != 0 {
        count += 1
        n &= n-1
    }

    return count == 1
}

func main() {
    fmt.Println(isPowerOfTwo(218))
}

程序输出如下，

image.png