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