[CPP] สลับค่าแบบใช้2ตัวแปร หรือ XOR

:::: CODE ::::

1. #include<iostream>
2. using namespace std;
3. void main(){
4. int num1,num2;
5. 
   
6. cout<<"Insert Number#1 : ";cin>>num1;
7. cout<<"Insert Number#2 : ";cin>>num2;
8. 
   
9. cout<<endl<<"Before"<<endl<<"Number#1 = "<<num1;
10. cout<<endl<<"Number#2 = "<<num2;
11. 
    
12. num1=num1^num2;
13. num2=num2^num1;
14. num1=num1^num2;
15. 
    
16. cout<<endl;
17. cout<<endl<<"After"<<endl<<"Number#1 = "<<num1;
18. cout<<endl<<"Number#2 = "<<num2<<endl<<endl;
19. 
    
20. }