How to swap two variables, without using third variable ?
Answer Posted / swapnil r
Swapping two variables
1. #define SWAP(x,y) x^=y^=x^=y
2. a=a+b;
b=a-b;
a=a-b;
3. use xor to swap
a = a^b
b= a^b
a= a^b
4. a=a*b;
b=a/b;
a=a/b;
| Is This Answer Correct ? | 1 Yes | 3 No |
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