13. Consider a freight company. This company may deliver packages around the world. Each package has a tracking code which consists of a string in the following format: destination, country code, a suburb location code 16 which is an integer number, the character 'C', an integer number represent- m ing the customer id code, the character 'W', followed by an integer which di contains the weight of the package. An example of a tracking code in this format is AU2010C42W74. Write a program which reads a tracking code ln from the console and uses regex to determine if the tracking code is valid.

Create a social network, Chirper, that lets the user add new Chirps and like existing Chirps. It's lonely because only one person can add and like messages -- so there's really not much "social" about it. At least you can practice using objects, references, and function overloading in C++! Here's an example of how this program will run You can "chirp" a new message to Chirper, or "like" an existing chirp, or "exit". What do you want to do? chirp What's your message? This is my first chirp! Chirper has 1 chirps: 1. This is my first chirp! (0 likes)  You can "chirp" a new message to Chirper, or "like" an existing chirp, or "exit". What do you want to do? like Which index do you want to like? 1 Chirper has 1 chirps: 1. This is my first chirp! (1 likes)  You can "chirp" a new message to Chirper, or "like" an existing chirp, or "exit". What do you want to do? chirp What's your message? Second chirp is the best chirp. Chirper has 2 chirps: 1. This is my first chirp! (1 likes) 2. Second chirp…

Hello, I would appreciate if the solution is described in C++ please.

What are some possible vulnerabilities with integers and functions in the C++ iostream library?