GeeksforGeeks

How to Find the Size of a Map in Bytes in C++?

Last Updated: 04 March 2024

In C++, maps are associative containers that store a key value and a mapped value for each element and no two mapped values can have the same key values. In this article, ...read more

How to Find the Maximum Key in a Map in C++?

Last Updated: 04 March 2024

In C++, the Standard Template Library (STL) provides a map container to store elements in a mapped fashion so each element has a key value and a mapped value. In this arti...read more

How to Convert a Vector of Pairs to a Map in C++?

Last Updated: 29 February 2024

In C++, a vector of pairs can be converted to a map. This can be useful when you want to create a map from a vector of pairs, where each pair contains a key and a value. I...read more

How to Store Maps in a Map in C++?

Last Updated: 29 February 2024

In C++, a map is a container that stores elements as a key value and a mapped value. A set is a container that stores unique elements in a particular order. In this articl...read more

How to Delete Multiple Key-Value Pairs from a Map in C++?

Last Updated: 29 February 2024

In C++, a map container stores the collection of data in the form of a key and a value pair and this data is sorted on the basis of the key. In this article, we will learn...read more

How to Access Value in a Map Using Iterator in C++?

Last Updated: 29 February 2024

In C++, a map is a container that stores elements in the form of a key value and a mapped value pair. In this article, we will learn how to access a value in a map using a...read more

How to Declare a Map in C++?

Last Updated: 28 February 2024

In C++, maps are associative containers that store elements in a mapped fashion. Each element has a key value and a mapped value. No two mapped values can have the same ke...read more

How to Find the Mode of Vector in C++?

Last Updated: 26 February 2024

In C++, a vector is a dynamic array that resizes itself when needed. It also allows random access to its elements. In this article, we will learn how to find the mode of a...read more

How to Add Elements to a Map in C++?

Last Updated: 22 February 2024

In C++, a map is an associative container that stores the elements as key-value pairs where each element has a key and a mapped value. In this article, we will learn how t...read more

How to Check if a Map is Empty in C++?

Last Updated: 22 February 2024

In C++, a map is an associative container that stores elements as key-value pairs and an empty map means it contains no elements. In this article, we will learn how to che...read more

How to Convert an Enum to a String in C++?

Last Updated: 21 February 2024

In C, an enumeration is a user-defined data type whose members can be assigned some integer values. In this article, we are going to discuss how to convert an Enum to a St...read more

C++ Conversion Programs

CPP Examples

How to Find the Size of a Map in C++?

Last Updated: 21 February 2024

In C++ STL, maps areassociative containersthat store elements in a mapped fashion. Each element has a key value and a mapped value. No two mapped values can have the same ...read more

How to Create a Map with Vectors as Keys and Sets as Values?

Last Updated: 16 February 2024

In C++, maps, vectors, and sets all are the data storage containers that are provided by the C++ STL. We can nest these containers to create a more complex data structure....read more

How Can I Sort a Multimap by Value in C++?

Last Updated: 20 October 2024

In C++, std::multimap stores elements as key-value pairs sorted by keys and there is no way to modify it to sort the elements by value but we can create a workaround to ac...read more

How to Store Vectors as Values in a Map?

Last Updated: 16 February 2024

In C++, vectors are similar to arrays, but unlike arrays, the vectors are dynamic in nature. They can modify their size during the insertion or deletion of elements. On th...read more