C++

4.2K+ posts

How Can I Solve the Error LNK2019 Unresolved External Symbol?

Last Updated: 23 July 2025

Errors are typical while working with C++ programs, and LNK2019: Unresolved External Symbol - Function is one particularly such annoying issue that occurs when the declare...read more

How to Declare Pointer to an Array of Strings in C++?

Last Updated: 23 July 2025

In C++, an array of a string is used to store multiple strings in contiguous memory locations and is commonly used when working with collections of text data. In this arti...read more

How to Use stringstream for Input With Spaces in C++?

Last Updated: 23 July 2025

In C++, thestd::stringstreamclass is a stream class to operate on strings and is very useful when we want to operate on a string as if it were a stream (like cin or cout)....read more

How to Enqueue an Element into a Queue in C++?

Last Updated: 23 July 2025

In C++ STL, we have a queuecontainer that simulates the queue data structure and follows the FIFO (First In, First Out) rule. In this article, we will learn how to enqueue...read more

How to Create a Random Alpha-Numeric String in C++?

Last Updated: 23 July 2025

Creating a random alpha-numeric string in C++ means generating random characters from the set of alphanumeric characters (i.e., ‘A’-‘Z’, ‘a’-‘z’, and ‘0’-‘9’) and appendin...read more

How to Handle Multiple String Inputs with Spaces in C++?

Last Updated: 23 July 2025

In C++, strings are a sequence of characters that might contain spaces in many casesbut we can read only the input text till whitespace using cin. In this article, we will...read more

How to Dequeue an Element from a Queue in C++?

Last Updated: 23 July 2025

In C++, queues are a type ofcontainer adaptorsthat operate in a first in first out (FIFO) type of arrangement. Elements are inserted at the back (end) and are deleted from...read more

When to Use List Instead of Vector in C++?

Last Updated: 23 July 2025

In C++, both std::vector and std::list are sequence containers that can store a collection of elements. However, they have different characteristics and use cases. In this...read more

How to Handle Large Numbers in C++?

Last Updated: 23 July 2025

In C++, when working with very large numbers the standard data types like int can become insufficient due to their limited range. In this article, we will learn how we can...read more

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

Last Updated: 23 July 2025

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 Find the Intersection of Two Multimaps in C++?

Last Updated: 23 July 2025

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 Difference of Two Multimaps in C++?

Last Updated: 23 July 2025

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

Serialize and Deserialize an Object in C++

Last Updated: 02 April 2024

In C++, serialization is the process of converting an object into a sequence of bytes so that it can be stored in memory or transmitted across a network and deserializatio...read more

How to Find the Size of a Dynamically Allocated Array in C++?

Last Updated: 23 July 2025

In C++, dynamic memory allocation enables the users to manage the memory resources during the execution of the program and is very useful for arrays when the size of the a...read more

Dynamic Memory Allocation

C++-new and delete

CPP Examples

How to Create an Array of Structs in C++?

Last Updated: 23 July 2025

In C++, a struct is a user-defined data type that allows us to combine data of different types and an array of structs is an array in which each element is of the struct t...read more

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