Files
CodeObject/storage/zeta/cpp/completed/1927.cpp

27 lines
595 B
C++

#include <iostream>
#include <queue>
int main() {
std::cin.tie(0);
std::cout.tie(0);
std::ios_base::sync_with_stdio(0);
std::priority_queue<unsigned int, std::vector<unsigned int>, std::greater<int>> q;
int N;
std::cin >> N;
for (int i = 0; i < N; i++) {
int x;
std::cin >> x;
if (x != 0) {
q.push(x);
} else {
if (q.size() != 0) {
std::cout << q.top() << "\n";
q.pop();
} else {
std::cout << 0 << "\n";
}
}
}
return 0;
}