Puzzle of the week: 99 Cops A town has 99 cops. A cop is either honest or corrupt, the majority of the cops is honest. You need to figure out all the corrupt cops, with less than 299 questions. All cops know who is honest and who is corrupt, but only honest cops will answer truthfully. Corrupt cops may lie arbitrarily. For security reasons you can only ask one type of question: You may ask cop X whether cop Y is corrupt. This question will by answered by X with either "Y is corrupt" or "Y is honest".