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C++ Vector crbegin()

The crbegin() function stands for reverse beginning. It is used to point the last character of the vector container.

crbegin() vs rbegin()

The crbegin() function returns the constant reverse iterator while rbegin() function returns the reverse iterator. The element pointed by the rbegin() function can be modified but not by crbegin() function.

Syntax

Consider a vector 'v'. Syntax would be:

Parameter

It does not contain any parameter.

Return value

It returns constant reverse iterator pointing to the reverse beginning of the container.

Example 1

Let's see a simple example.

Output:

Error

In this example, we are trying to modify the value using crbegin() function which is not possible in this case.

Example 2

Let's see another simple example.

Output:

kiwi

In this example, crbegin() function is used to access the last element of the vector container.

Example 3

Let's see a simple example.

Output:

3

In this example, crbegin() function is incremented by 2 to access the third element of the vector and this function access all the elements from backward.

Next TopicC++ Vector




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