How to swap two variables, without using third variable ?
Answer Posted / zee hassan
#include<iostream.h>
#include<conio.h>
main()
{
int a,b;
a=5;
b=10;
a=a+b; /*a=5+10=15*/
b=a-b; /*b=15-10=5*/
a=a-b;
cout<<"a="<<a<<endl;
cout<<"b="<<b<<endl;
getch();
}
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