C按位运算

Question

  

可能重复：
  Bitwise Operation and Usage

是输入。需要放0,1，x或x̅：

    x & 0 = 0

    x & 1 = x

    x | 0 = x
    x | 1 = 0
    x ^ 0 = 1
    x ^ 1 = 

Answer 1

如果x是布尔值，那么!x是x的布尔否定。这是你的'翻转'。

要开启和关闭，只需执行x = 1和x = 0

Answer 2

x & 0 = 0

x & 1 = x

x | 0 = x
x | 1 = 1
x ^ 0 = x
x ^ 1 = 0 if x is 1, 1 if x is 0