Hello friends,
Going to ask you - do you know how to swap two variables without of using another one variable?
If your answer is no then here you are:
- we need two variables
- we need three XOR operations
int a = 1;
int b = 2;
a ^= b;
b ^= a;
a ^= b;
now b = 1 and a = 2
Thank you ;)
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