C++ Vector max_size

This function is used to provide the maximum size that vector can hold.

Syntax

Consider a vector 'v' and maximum size 'm'. Syntax would be :

int m=v.max_size();

Parameter

It does not contain any parameter.

Return value

It returns the maximum number of elements that vector can hold.

Example 1

Let's see a simple example.

#include <iostream>
#include<vector>
using namespace std;
int main()
{
vector<int> v{1,2,3,4,5};
std::cout<<v.max_size() <<std::endl;
return 0;
}

Output:

4611686018427387903