Question

How to get queue size in C++

Answer 1

#include <iostream>
#include <queue>
  
using namespace std; 
    
int main() 
{ 
    queue<int> q;
    int array[5] = {1, 7, 3, 5, 4};
      
    for (int i = 0; i < 5; i++) {
        q.push(array[i]);
    }
  
    cout << q.size();
} 
  
  
  
/*
run:
  
5
  
*/

 

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