与运算
1.n&(01010101) 可以保留奇数位置的值
异或
A ⊕ 1 = A';
A ⊕ 0 = A;
A ⊕ A = 0;
A ⊕ A' = 1;
1^0=1 0^1=1 1^1=0 0^0=0
https://www.lijinma.com/blog/2014/05/29/amazing-xor/
与运算
1.n&(01010101) 可以保留奇数位置的值
异或
A ⊕ 1 = A';
A ⊕ 0 = A;
A ⊕ A = 0;
A ⊕ A' = 1;
1^0=1 0^1=1 1^1=0 0^0=0
https://www.lijinma.com/blog/2014/05/29/amazing-xor/
转载于:https://my.oschina.net/zhuqianli/blog/863184