C++ Usage and examples of Deque max_size()

C++ Deque (Double-ended Queue)

C ++ The Deque max_size() function is a built-in function that returns the maximum number of elements that the deque container can hold.

Syntax

return_type max_size();

HereThe return_type is an unsigned integer type.

Parameters

It does not contain any parameters.

Return Value

It returns the maximum size of the double-ended queue.

Example1

Let's see a simple example

Example

#include <iostream>
#include <deque>
using namespace std;
int main()
{
　　　deque<int> a = {1,2,3,4,5,6};
　　cout << "The maximum size of the double-ended queue "a" is:";
　　cout << a.max_size();
　　return 0;
}

Output:

The maximum size of the double-ended queue "a" is:4611686018427387903

C++ Deque (Double-ended Queue)