cpp-multimap Archives - GeeksforGeeks

How to Find Frequency of a Key in a Multimap in C++?

Last Updated: 01 March 2024

In C++, Multimap is similar to amap that stores the data in the key-value format but the difference between these two containers is that we can have multiple elements with...read more

How to Remove a Specific Pair From a Multimap in C++?

Last Updated: 05 March 2024

In C++, a multimap is a container that can store multiple key-value pairs, where each key can be associated with multiple values. In this article, we will learn how to rem...read more

How to Replace a Specific Pair in a Multimap in C++?

Last Updated: 05 March 2024

in C++, multimap is similar to amap that stores the data in the key-value format where duplicate keys are allowed. In this article, we will learn how to replace a specific...read more

How To Delete Multiple Key-Value Pairs From Multimap in C++?

Last Updated: 29 February 2024

In C++, a multimap is a container that stores elements where each element has a key value and a mapped value. Unlike maps, multimaps allow multiple key-value pairs with th...read more

How To Insert Multiple Key-Value Pairs Into a Multimap in C++?

Last Updated: 01 March 2024

In C++, a multimap is similar to amap that stores the data in the key-value format and it also allows us to store duplicate keys for the same value. In this article, we wi...read more

Custom Comparator for Multimap in C++

Last Updated: 05 March 2024

In C++ multimap is a container to store key-value pairs allowing duplicate keys which is not allowed in a map container. By default, the multimap container uses the less t...read more

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 associated with a single key. In...read more

How To Find the Difference of Two Multimaps in C++?

Last Updated: 01 March 2024

In C++ STL, finding the difference between two multimaps consists of identifying the elements that exist in one multimap but are not present in the other. In this article,...read more

How To Find the Intersection of Two Multimaps in C++?

Last Updated: 01 March 2024

In C++, finding the intersection of two multimaps consists of identifying the common elements that are shared between both collections, containing key-value pairs. In this...read more

How to Find the Union of Two Multimaps in C++?

Last Updated: 12 March 2024

In C++, finding the union of two multimaps consists of combining the elements from both multimap collections while considering the duplicates as a multimap allows multiple...read more

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

Last Updated: 06 March 2024

In C++, Stacks are a type of container adaptor with LIFO(Last In First Out) type of working, where a new element is added at one end (top) and an element is removed from t...read more

What’s the Best Way to Map Multiple Vectors to Keys in a Multimap in C++?

Last Updated: 18 March 2024

In C++, multimaps are associative containers in which multiple values can be stored corresponding to the same key and vectors are dynamic arrays that store data in contigu...read more

How to Store Vectors as Keys in a Multimap in C++?

Last Updated: 06 May 2024

In C++, the std::multimap is a container that stores elements in a key-value pair, whereas std::vector is a sequence container that stores elements in contiguous memory. I...read more

How To Find All Occurrences of a Key in a Multimap in C++?

Last Updated: 18 March 2024

In C++, multimaps are associative containers similar to maps, but unlike maps, they can store multiple values mapped to the same key. In this article, we will learn how to...read more

How to Create Deque of Multimap in C++?

Last Updated: 01 April 2024

In C++, a deque (double-ended queue) is a data structure that allows insertion and deletion at both ends, while a multimap is an associative container that contains key-va...read more