C++ Vector rbegin() function

C++ Vector rbegin() function tutorial for beginners and professionals with examples on assign(), at(), back(), begin(), capacity(), cbegin(), cend(), clear(), crbegin(), crend(), data(), emplace(), end(), front(), rbegin(), resize(), size(), swap() etc.

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C++ Vector rbegin()

The rbegin() stands for 'reverse beginning' and is used to point the last element of the vector.

Syntax

Consider a vector 'v' and syntax would be :

reverse_iterator ritr=v.rbegin();

Parameter

It does not contain any parameter.

Return value

It returns a reverse iterator pointing to the last element of the vector.

Example

Let's see a simple example.

#include <iostream>
#include<vector>
using namespace std;
int main()
{
vector<char> v{'j','a','v','a'};
vector<char>::reverse_iterator rtr;
for(rtr=v.rbegin();rtr!=v.rend();rtr++)
std::cout<< *rtr;
return 0;
}

Output:

avaj

In this example, rbegin() function is used to get the reverse string contained in the vector.

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