priority_queue::size
Restituisce il numero di elementi in priority_queue.
size_type size( ) const;
Valore restituito
La lunghezza del priority_queue.
Esempio
// pqueue_size.cpp
// compile with: /EHsc
#include <queue>
#include <iostream>
int main( )
{
using namespace std;
priority_queue <int> q1, q2;
priority_queue <int>::size_type i;
q1.push( 1 );
i = q1.size( );
cout << "The priority_queue length is " << i << "." << endl;
q1.push( 2 );
i = q1.size( );
cout << "The priority_queue length is now " << i << "." << endl;
}
Requisiti
intestazione: <queue>
Spazio dei nomi: deviazione standard