cpp-unordered_multimap Archives

unordered_multimap cbegin() function in C++ STL

Last Updated: 08 August 2018

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...read more

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unordered_multimap bucket() function in C++ STL

Last Updated: 08 August 2018

The unordered_multimap::bucket() is a built-in function in C++ STL which returns the bucket number in which a given key is. Bucket size varies from 0 to bucket_count-1. ...read more

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unordered_multimap bucket_count() function in C++ STL

Last Updated: 08 August 2018

The unordered_multimap::bucket_count() is a built-in function in C++ STL which returns the total number of buckets in the unordered_multimap container. A bucket is a slot ...read more

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unordered_multimap cend() function in C++ STL

Last Updated: 08 August 2018

The unordered_multimap::cend() is a built-in function in C++ STL which returns a constant iterator pointing to the position after the last element in the container or to t...read more

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unordered_multimap swap() function in C++ STL

Last Updated: 21 August 2018

The unordered_multimap::swap() is a built-in function in C++ STL which swaps the contents of two unordered_multimap containers. The sizes can differ of both the containers...read more

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unordered_multimap size() function in C++ STL

Last Updated: 21 August 2018

The unordered_multimap::size() is a built-in function in C++ STL which returns the size of the unordered_multimap. It denotes the number of elements in that container. Sy...read more

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unordered_multimap reserve() function in C++ STL

Last Updated: 11 July 2025

The unordered_multimap::reserve() is a built-in function in C++ STL which sets the number of buckets in the container (bucket_count) to the most appropriate number so that...read more

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unordered_multimap rehash() function in C++ STL

Last Updated: 11 July 2025

The unordered_multimap::rehash(N) is a built-in function in C++ STL which sets the number of buckets in the container to N or more. If N is greater than the current number...read more

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unordered_multimap operator= in C++

Last Updated: 20 June 2021

The unordered_multimap::operator= is a built-in function in C++ STL which does three types of tasks which are explained below.Syntax (copying elements from different conta...read more

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unordered_multimap max_size() function in C++ STL

Last Updated: 20 August 2018

The unordered_multimap::max_size() is a built-in function in C++ STL which returns the maximum number of elements that the unordered_multimap container can hold. Syntax: u...read more

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unordered_multimap max_load_factor() function in C++ STL

Last Updated: 11 July 2025

The unordered_multimap::max_load_factor() is a built-in function in C++ STL which returns the maximum load factor of the unordered_multimap container. This function also p...read more

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unordered_multimap erase in C++ STL

Last Updated: 14 December 2018

unordered_multimap::erase() is a built in function in C++ STL which removes the element from given range, by position and by key. There are three variant of this function ...read more

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unordered_multimap get_allocator in C++ STL

Last Updated: 11 July 2025

unordered_multimap::get_allocator() is a built in function in C++ STL which is used to get allocator of container unordered_mulitmap. Syntax:Allocator_type get_allocator()...read more

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cpp-unordered_map-functions

Difference between Array and Map

Last Updated: 18 September 2023

Array:An array is a collection of items stored at contiguous memory locations. The idea is to store multiple items of the same type together. This makes it easier to calcu...read more

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How to Create a Stack of Unordered_Multimap in C++?

Last Updated: 19 March 2024

In C++, an unordered_multimap is an associative container that contains key-value pairs allowing multiple elements with the same key. In this article, we will learn how to...read more

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CPP Examples