Swapped 2 numbers without using 3 variable
#include<stdio.h>
main()
{
int a=10,b=20;
printf("\noriginal values of a=%d,b=%d",a,b);
a=a^b;
b=a^b;
a=a^b;
printf("\nswapped values of a=%d,b=%d",a,b);
getch();
}
output :-
original values of a=10,b=20
swapped values of a=20,b=10
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