swap two no without using third variable

Answer Posted / mik30

its very simple question and it can be easily solved by some
logical reasioning ablity...my answer is given below:
#include<stdio.h>
#include<conio.h>
int main()
{
int a=2,b=2;

a=a-b;
b=a+b;
a=b-a;


printf("%d%d",a,b);
getch();
return 0;
}
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