The
unordered_multimap::cbegin() is a built-in function in C++ STL which returns a
constant iterator pointing to the first element in the container or to the first element in one of its bucket.
Syntax:
unordered_multimap_name.cbegin(n)
Parameters: The function accepts one parameter. If a parameter is passed, it returns a constant iterator pointing to the first element in the bucket. If no parameter is passed, then it returns a constant iterator pointing to the first element in the unordered_multimap container.
Return Value: It returns a
constant iterator. It cannot be used to change the value of the unordered_multimap element.
Below programs illustrates the above function:
Program 1:
Output:
Key and Elements :
2 3
2 3
1 2
3 4
3 4
The first element and key: 2 3
Program 2:
