#include <functional> // definition of less
#include <queue>  // definition of priority_queue
#include <iostream>

using namespace std;

struct Task
{
        int priority;
        friend bool operator < (const Task& t1, const Task& t2);
        Task(int p=0) : priority(p) {}
};

bool operator < (const Task& t1, const Task& t2)
{
        return t1.priority < t2.priority;
}

int main()
{
        priority_queue<Task> scheduler;
        scheduler.push(Task(3));
        scheduler.push(Task(5));
        scheduler.push(Task(1));
        scheduler.push(Task(1));
        cout<< scheduler.top().priority <<endl;   // output 5
        return 0;
}


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Posted by kkokkal
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