17 . xor properties

 

/*  properties:

      1. A^0 = A

      2. A^A = 0  //equality check

      3. A^B = B^A

      4. A+B = (A^B) + 2*(A&B)

   */

Code :

#include<bits/stdc++.h> using namespace std; int main() {        cout<<"xor properties:\n";     int t,n,i;     cin>>t;     while (t--)     {         cin>>n>>i;         cout<<"xor:"<<(n^i)<<endl;     } }