Plz help me in Swaping two numbers using pointer # without any third variable

Question

How to swap two numbers using pointer and without using third variable .

Answer 1

https://code.sololearn.com/c2X1x6uzagbv/?ref=app

Answer 2

I got my mistake , thanks to every one... 🤗

Answer 3

𝐊𝐢𝐢𝐛𝐨 𝐆𝐡𝐚𝐲𝐚𝐥
This code has error
#include <stdio.h>

int main() {
int num1,num2,*ptr1 = NULL,*ptr2 = NULL;
*ptr1 = &num1 ;
*ptr2 = &num2 ;
printf("Enter two number: ");

scanf("%d %d", &num1,&num2);

printf("%d", num1,num2);
printf("num1 = %d num2 = %d", *ptr1 ,*ptr2 );

return 0;
}

Answer 4

Can anyone tell me that what is the mistake in above code

Answer 5

uday kiran
Thanks

Answer 6

Roman J ok