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Cake day: June 10th, 2023

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  • Lower Bound on the Length of the Shortest Superpermutation aka “The Haruhi Problem” by Anonymous

    Video explaining the problem and solution

    tl;dr if you have the numbers 1 and 2 you can make two permutations with them: 12 and 21. You can also make a “Superpermutation” with something like 1221 which is a sequence that contains all permutations of 1 and 2. A shorter sequence would be 121 or 212. Finding the shortest sequence that contains all permutations of any given set of numbers was an unsolved math problem. Someone posted on 4chan’s anime board asking for the most efficient way to watch every permutation of “the endless 8”, which are 8 nearly identical epsiodes of The Melancholy of Haruhi Suzumiya. Anime nerds pride themselves on watching these episodes over and over. Someone posted a sequence with a math proof for why it is the shortest. In essence, they posted the shortest superpermutation for a set of 8. The method can be used on any sized set and doesn’t just apply to sets of 8.









  • The law allows hospital placement coordinators to choose a nursing home for a patient who has been deemed by a doctor as requiring an “alternate level of care,” or ALC, without consent. They can also share the patient’s health information to such homes without consent. Patients can also be sent to nursing homes up to 70 kilometres from their preferred spot in southern Ontario and up to 150 kilometres away in northern Ontario. The law sparked outrage among seniors.

    So seniors go to the hospital with a chronic health issue and get institutionalized instead?