CPP Examples

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Last Updated: 18 March 2024

Libraries are reusable code packages that can be imported into our program to use the code defined in them. In C++, libraries can be either ...read more

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How to Read From a File in C++?

Last Updated: 22 February 2024

In C++, file handling allows the users to read, write and update data into an external file. In this article, we will learn how to read some ...read more

How to Check if a Vector Contains a Given Element in C++?

Last Updated: 16 February 2024

In C++, a vector is a dynamic array that provides a resizable and efficient way to store elements. Vectors store their elements in contiguou ...read more

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How to Concatenate Two Vectors in C++?

Last Updated: 15 February 2024

In C++, vectors are dynamic containers that can modify their size on insertion or deletion of elements during the runtime. It stores a colle ...read more

How to Remove an Element from Vector in C++?

Last Updated: 13 February 2024

In C++, vectors are the same as arrays but they can resize themselves automatically when required as their storage is handled automatically ...read more

How to Reverse a String in C++?

Last Updated: 09 February 2024

In C++, strings are the sequence of characters that are used to represent textual data. In this article, we will learn how to reverse a stri ...read more

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CPP Examples

How to Take Long String Input With Spaces in C++?

Last Updated: 06 February 2024

In C++, we often take long strings with a lot of characters as inputs with spaces but if we use cin then our input gets terminated as soon a ...read more

How to Read a File Using ifstream in C++?

Last Updated: 06 February 2024

In C++, we can read the contents of the file by using the ifstream object to that file. ifstream stands for input file stream which is a cla...read more

How to Read a File Line by Line in C++?

Last Updated: 05 February 2024

In C++, we can read the data of the file for different purposes such as processing text-based data, configuration files, or log files. In th...read more

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

Last Updated: 01 February 2024

In C++, strings are the sequence of characters that are stored as std::string class objects. In this article, we will learn how to check if ...read more

How to Remove Last Character From C++ String?

Last Updated: 01 February 2024

In C++, strings are stored as the std::string class objects. In this article, we will look at how to remove the last character from this C++ ...read more

How to Convert a C++ String to Uppercase?

Last Updated: 01 February 2024

In C++, converting a string to uppercase means we have to convert each character of the string that is in lowercase to an uppercase characte ...read more

How to Fix Undefined Reference Error in C++?

Last Updated: 31 January 2024

In C++, the undefined reference error typically occurs during the linking phase of compilation. This error indicates that the compiler knows ...read more

How to Remove Duplicates from a Vector in C++?

Last Updated: 29 January 2024

In C++, vectors are sequence containers that can contain duplicate elements. In this article, we will discuss how to remove all the duplicat ...read more

Function Pointers and Callbacks in C++

Last Updated: 25 January 2024

A callback is a function that is passed as an argument to another function. In C++, we cannot directly use the function name to pass them as ...read more

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