What output??

Question

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main ()
{
int myints[] = {10, 20, 30, 5, 15};
vector<int> v(myints, myints + 5);
make_heap (v.begin(), v.end());
pop_heap (v.begin(), v.end());
v.pop_back();
cout << v.front() << '\n';
return 0;
}

Answer 1

There's is a c++ code playground in sololearn, why don't you try?

Answer 2

I kown that, I need to run yourl mine as the compiler to guess what output

Answer 3

20 is the output .

Answer 4

ekhlas Mohamed Abdallah Mohamed Same code same output everywhere