What is output? #include #include #include using namespace std; int main () { setnumber; int i; int myVar; for (i = 0; i

What is output?

#include
#include
#include
using namespace std;




int main () {
  setnumber;
  int i;
  int myVar;
  for (i = 0; i <=3; i++)="">
      number.insert(i*i);
  }
  myVar = number.count(9);
  cout < myvar=""><>
  return 0;
}

3

0

9

1