#include <bits/stdc++.h> #include using namespace std;
int main(){ priority_queue q; int x[] = {-2, 1, 5, -7, 3}; for (int i = 0; i < 5; i++) q.push(x[i]); cout << "=" << q.size() << '\n'; while (q.size()) { cout << q.top() << '\n'; q.pop(); }
}
