Heap

#include <cstdio>
#include <set>
using namespace std;

int main()
{
    int n,t,x;
    freopen("heap.in","r",stdin);
    freopen("heap.out","w",stdout);
    multiset <int> my_set;
    scanf("%d",&n);
    for(int i=1;i<=n;++i)
    {
        scanf("%d",&t);
        if(t==1)
        {
            scanf("%d",&x);
            my_set.insert(x); /// Insereaza o valoare
        }
        if(t==2)
        { /// Valoarea maxima.
            multiset <int> :: iterator it = my_set.begin();
            it=my_set.end();
            --it;
            printf("%d\n", *it);
            /// Sterge o valoare din set. Daca aceasta se afla de
            /// mai multe ori in set, este stearsa numai o copie.
            my_set.erase(my_set.find(*it));
        }
    }
    return 0;
}