From 2025, we plan to make changes to the number of contests and the rating system in the AtCoder Heuristic Contest (AHC). For details about the changes, please refer to the following page and participate in the survey. - Details and Responses: https://atcoder.jp/contests/ahc-survey2024 - Response Period: Until Sunday, October 27, 2024 ### Changes 1. The number of contests will increase. There are two options regarding the number of short and long contests, so please let us know your preference. 2. A time-based decay will be introduced to the rating system. There are two options regarding the timing of the decay, so please let us know your preference.