C++ priority_queue top()

C++ priority_queue top() function is used to get reference of top element from priority queue container.

Syntax

Consider priority_queue 'pq' as a priority_queue object.

Parameter

It does not take any parameter.

Return value

It returns a reference of the top element of the priority queue.

Example 1

#include <iostream>
#include <queue>
using namespace std;
int main()
{
int sum = 0;
priority_queue<int> pqueue;
 //pushing value in pqueue.
pqueue.push(8);
pqueue.push(6);
pqueue.push(3);
pqueue.push(2);
pqueue.push(1);
cout<<pqueue.top();
return 0;
}

Output:

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