How is the output calculated?
What will be the output of the following C++ code?
#include
#include
#include
using namespace std;
int main()
{
sets;
s.insert(1);
s.insert(5);
s.insert(7);
s.insert(2);
s.insert(12);
s.insert(10);
auto it = s.lower_bound(15);
cout<< *it <<endl;
return 0;
}