运算法则
1. a ⊕ a = 0 2. a ⊕ b = b ⊕ a 3. a ⊕b ⊕ c = a ⊕ (b ⊕ c) = (a ⊕ b) ⊕ c; 4. d = a ⊕ b ⊕ c 可以推出 a = d ⊕ b ⊕ c. 5. a ⊕ b ⊕ a = b.
参考
1.
http://www.cnblogs.com/danh/archive/2010/12/24/1915810.html
2.
https://blog.csdn.net/gtkknd/article/details/52798337
3.
https://blog.csdn.net/su20145104009/article/details/51295067
4.
http://www.runoob.com/w3cnote/c-swap-data.html
5.
https://www.cnblogs.com/cherryljr/p/7056980.html?utm_source=itdadao&utm_medium=referral
6.
https://blog.csdn.net/lwfcgz/article/details/7432541
完