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8 changes: 8 additions & 0 deletions Algorithms/Utils/Swap/README.md
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Expand Up @@ -31,3 +31,11 @@ The swap algorithm takes 2 variables, and swap the values of them so that finall
## Tips
- Use `SwapNum` for keeping memory footprint to minimum.

## Swap number using Bitwise XOR Operator

function swapByXOR(a,b):
a = a ^ b # set bits, either set in a or b, store it in a
b = a ^ b # set bits which were set in original a, store it in b
a = a ^ b # set bits which were set in original b, store it in a