code:
#include<stdio.h> void Swap(int* a, int* b) { *a = *a ^ *b; *b = *b ^ *a; *a = *b ^ *a; } void Swap2(int* a, int* b) { *a = *a + *b; *b = *a - *b; *a = *a - *b; } int main() { int a = 5, b = 4; int c = 2, d = 10; Swap(&a, &b); printf("%d, %d\n", a, b); Swap2(&c, &d); printf("%d, %d\n", c, d); return 0; }
Output: