Answer Posted / rahul mathur

^ is a exclusive OR bitwise operator.

We can use this "^" operator for swaping two values without
using third variable and without using +, - operator as
shown below:

void xorSwap (int *x, int *y) {
if (x != y) {
*x ^= *y;
*y ^= *x;
*x ^= *y;
}
}

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