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Talk:Mind boggling card trick: Difference between revisions
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::See the 1998 Christmas Special, The Black Canary. In which the eponymous artist is cut in half, fatally, while strapped to a circular rip saw, or is she? At least James Bond escaped the laser. When several years later she commits suicide, fatally, in clear sight of a witness, or does she? Enter Jonathan...--[[User:Nigel Galloway|Nigel Galloway]] ([[User talk:Nigel Galloway|talk]]) 10:28, 19 September 2018 (UTC)
=="hardness" of the problem==
I'm late to the game, but fwiw.. there are only 27 distinct shufflings, one identification system being "how many red cards did you see" (from 0 to 26), then everything else necessarily follows. Those 27 distinct shufflings then allow only a total of 196 distinct distributions of unseen red/black cards into their respective piles, which again all necessarily follow. So the entire space of the problem can be examined as an exhaustive proof in probably less time (and certainly less code) than it takes to create and verbosely dump and test several random cases as per the task! Still, it was an amusing distraction anyway. :) --[[User:Davbol|Davbol]] ([[User talk:Davbol|talk]]) 22:14, 22 July 2022 (UTC)
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