Whats missing in this program to run?

Question

https://code.sololearn.com/cXPPPq6zURp9/?ref=app

Answer 1

#include <stdio.h>
double main() {
double a,b,total;
printf ("input");
scanf("%lf%lf",&a,&b);
total = a+b;
printf("output = %1lf",total);

return 0.0;
}

Answer 2

Now it will work u missed comma in printf statement

Answer 3

thanks 👌