package cn.ttt; public class W5 { public static void main(String[] args) {
//异或的规则
/*a^a=0;
* a^b=1;
* a^0=a;
* a^(b^c)=(a^c)^b;
*
*
*/ int a=4; int b=7; a=a^b; b=a^b;//b=(a^b)^b=a^0=a a=a^b;//a=(a^b)^a=b System.out.println(a+"/"+b); } }
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