[submission:351008657][submission:351044186][user:BledDest][user:awoo][user:MikeMirzayanov] I can’t believe this kind of hashing method still works. It’s disappointing to see participants abusing such techniques to disguise copied solutions, especially when the goal of the platform is to encourage learning and fair competition. The fact that these altered submissions can bypass basic similarity checks undermines the efforts of honest contestants. I respectfully ask the Codeforces team to investigate these cases more closely and consider strengthening detection measures to prevent similar issues in the future.