C++ Institute Exam CPP Topic 7 Question 2 Discussion

What happens when you attempt to compile and run the following code?

#include

#include

#include

using namespace std;

int main(){

int t[] ={ 1, 1, 2, 2, 3, 3, 4, 4, 5, 5 };

listv(t, t+10);

set s1(v.begin(),v.end());

if (s1.count(3) == 2) {

s1.erase(3);

}

for(set::iterator i=s1.begin();i!= s1.end(); i++) {

cout<<*i<<" ";

}

return 0;

}