cpp-multimap

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How to Store Multiple Values for the Same Key in C++?

Last Updated: 19 March 2024

In C++ STL, maps are used to store key-value pairs but they only allow one value for a key. Sometimes, we might want multiple values to be a ...read more

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How to Initialize Multimap with Default Values in C++?

Last Updated: 06 March 2024

In C++, a multimap is a container provided by the STL library that stores key-value pairs in an ordered manner. Unlike a map, a multimap all ...read more

How to Create a Multimap of Vectors in C++?

Last Updated: 27 February 2024

In C++, a multimap is similar to amapwith the addition that multiple elements can have the same keys. Also, it is not required that the key- ...read more

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How to Delete a Pair from a Multimap in C++?

Last Updated: 06 February 2024

In C++, multimap stores key-value pairs and for the same key there can be multiple values in a multimap. In this article, we will learn how ...read more

How Can I Get All the Unique Keys in a Multimap?

Last Updated: 29 January 2024

In C++, multimap stores key-value pairs like map but they allow users to store duplicate keys. It means that the same key can occur multiple ...read more

Multimap of tuples in C++ with Examples

Last Updated: 27 December 2021

What is a multimap?In C++, a multimap is an associative container that is used to store elements in a mapped fashion. Internally, a multimap ...read more

Level order traversal in spiral form using stack and multimap

Last Updated: 26 April 2023

Given a binary tree of N nodes, the task is to print level order traversal in a spiral form. In spiral form, nodes at the first and second l...read more

Competitive Programming

multimap key_comp in C++ STL

Last Updated: 12 November 2018

This is the part of Standard Template Library(STL) of C++. To use this STL, use Namespace: std and include “map” header file in the prog ...read more

cpp-multimap-functions

multimap get_allocator() function in C++ STL

Last Updated: 26 October 2018

The multimap::get_allocator() is a function in STL in C++ that returns the copy of allocator object associated with this multimap.Syntax:mul ...read more

multimap empty() function in C++ STL

Last Updated: 12 June 2023

The multimap::empty() is a boolean type observer function in C++ STL which tells whether the container is empty or not. This function return ...read more

cpp-multimap-functions

multimap rend in C++ STL

Last Updated: 18 October 2018

multimap::rend() is a built-in function in C++ STL which returns a reverse iterator pointing to the theoretical element preceding to the fir ...read more

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cpp-multimap

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cpp-multimap-functions

multimap operator = in C++ STL

Last Updated: 18 November 2020

The multimap::operator= is a built in C++ STL which assigns new contents to the container, replacing its current content. Syntax:multimap1_n ...read more

multimap swap() function in C++ STL

Last Updated: 18 November 2020

The multimap::swap() is a built-in function in C++ STL which swaps two multimap container. The contents of multimap1 are in multimap2 and co ...read more

multimap::crbegin() and multimap::crend() in C++ STL

Last Updated: 29 December 2022

multimap::crbegin() is a built-in function in C++ STL which returns a constant reverse iterator referring to the last element in the multima ...read more

multimap::swap() in C++ STL

Last Updated: 25 January 2018

multimap::swap() is used to swap the contents of one multimap with another multimap of same type and size.Syntax:-multimap1.swap(multimap2)P ...read more

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