list rbegin() and rend() function in C++ STL

  1. list::rbegin() is an inbuilt function in C++ STL that returns a reverse iterator which points to the last element of the list.

    Syntax:

    list_name.rbegin()

    Parameter: This function does not accept any parameters.

    Return value: It returns a reverse iterator which points to the last element of the list.

    Below program illustrates the above function:

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    // C++ program to illustrate the
    // list::rbegin() function
    #include <bits/stdc++.h>
    using namespace std;
      
    int main()
    {
        list<int> lis = { 10, 20, 30, 40, 50 };
      
        cout << "The list in reverse order: ";
      
        for (auto it = lis.rbegin(); it != lis.rend(); ++it)
            cout << *it << " ";
      
        return 0;
    }
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    Output:

    The list in reverse order: 50 40 30 20 10
    
  2. list::rend() is an inbuilt function in C++ STL that returns a reverse iterator which points to the position before the beginning of the list.

    Syntax:

    list_name.rend()

    Parameter: The function does not accept any parameters.

    Return value: It returns a reverse iterator which points to the position before the beginning of the list.

    Below program illustrates the above function:

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    // C++ program to illustrate the
    // list::rbegin() function
    #include <bits/stdc++.h>
    using namespace std;
      
    int main()
    {
        list<int> lis = { 10, 20, 30, 40, 50 };
      
        cout << "The list in reverse order: ";
      
        for (auto it = lis.rbegin(); it != lis.rend(); ++it)
            cout << *it << " ";
      
        return 0;
    }
    chevron_right
    
    
    Output:
    The list in reverse order: 50 40 30 20 10
    

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