28 lines
500 B
C++
28 lines
500 B
C++
#include <queue>
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#include <iostream>
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struct Person {
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std::string name;
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int age;
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};
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struct CompareByAge {
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bool operator()(const Person& p1, const Person& p2) const {
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return p1.age < p2.age;
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}
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};
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int main() {
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std::priority_queue<Person, std::vector<Person>, CompareByAge> pq;
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pq.push({"Alice", 25});
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pq.push({"Bob", 30});
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pq.push({"Charlie", 20});
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while (!pq.empty()) {
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std::cout << pq.top().name << " ";
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pq.pop();
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}
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return 0;
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} |