Ready to sharpen your C++ skills? Whether you are just starting out or looking to reinforce your fundamentals, our curated C++ learning path is designed to take you from zero to hero. We believe the best way to learn is by doing, so we have hand-picked three bite-sized coding challenges that will help you master essential logic, input handling, and character manipulation in just minutes.

Output the Last Serial Number

Difficulty: Beginner | Time: 5 minutes

In this challenge, you are asked to write a C program that simulates a group of 13 people standing in a circle. Starting from the first person, they count 1, 2, 3 in order, and the ones who reach 3 will leave the circle.…