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