# include & lt; stdio.h> 

Void swap (int * x, int * y) 

{
* x=((* x) ^ (*) y); 
X * y=((*) ^ (*) y); 
* x=((* x) ^ (*) y); 
} 

Int main () 
{
int a,b; 
A=2; B=3; 
Swap (& amp; A, & amp; B); 
Printf (" % d, % d ", a, b); 
} 

X=2 ^ 3;
Y=8 ^ 3;
X=8 ^ 512;
Therefore, the value exchange?

CodePudding user response:

^ not power function, this is the bitwise xor in c + +, 0, same different 1
X=2, y=3
X=2 ^ 3=1
Y=1 ^ 3=2
X=1 ^ 2=3

The end result is exchanged,

CodePudding user response:

reference 1st floor Minikinfish response:

^ not power function, this is the bitwise xor in c + +, 0, same different 1
X=2, y=3
X=2 ^ 3=1
Y=1 ^ 3=2
X=1 ^ 2=3

Exchange of the outcome,

Well, I didn't respond to come over, this is the bitwise xor