Below are links to problem sets that have been used in past programming competitions. Feel free to utilize them as study materials.
Please be aware that in 2023, we transitioned from the PC^2 contest platform to CodeChef, a cloud-based platform that supports additional programming languages such as C, C++, Java, and Python3. Due to the substantial upgrade, the problem sets from previous years may only serve as a reference.
Feel free to create your own CodeChef account to practice and familiarize yourself with the platform. However, only the username created for your team by HSPC staff will be used for contest participation.