Question

write a C function to swap two number using pointer

Answer 1

hey user here is your answer:
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Answer 2

Answer:

The program is given below :

Explanation:

#include<stdio.h>

int main()

{

int *a,*b,x,y;

printf("Enter the two number (X & Y) to swap: ");

scanf("%d%d",&x,&y);  //Input two numbers

a=&x;  //Store X's reference in a

b=&y;  //Store Y's reference in b

printf("\nBefore swapping X = %d & Y = %d",x,y);  //Print values of X and Y before swapping

//Swapping using pointers & XOR operator

*a=*a^*b;

*b=*a^*b;

*a=*a^*b;

printf("\nAfter swapping X = %d & Y = %d",x,y);  //Print values of X and Y after swapping

return 0;

}