Add two variables and assign the value into First variable. Subtract the Second value with the result Value. and assign to Second variable. Subtract the Result of First Variable With Result of Second Variable and Assign to First Variable. Example: int a=5,b=10;a=a+b; b=a-b; a=a-b; An other approach to the same question You use an XOR swap.
for example:
int a = 5; int b = 10;
a = a ^ b;
b = a ^ b;
a = a ^ b;
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