The ICPC Problem Set Editor is a tool for creating and editing
which define the list of contest problems
and their colors for a Contest Control System (CCS) that supports the CCS Specification.
The latest stable Problem Set Editor version is 2.4.727, released on 03 April 2022.
The latest prerelease is v2.5.868, built on 26 November 2022.
The Problem Set Editor documentation can also be downloaded.