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Dynamic programming is a computer programming technique where an algorithmic problem is first broken down into sub-problems, the results are saved, and then the sub-problems are optimized to find the overall solution — which usually has to do with finding the maximum and minimum range of the algorithmic query.  Richard Bellman was the one who came up with the idea for dynamic programming in the 1950s. It is a method of mathematical optimization as well as a methodology for computer programming. It applies to issues one can break down into either overlapping subproblems or optimum substructures. When a more extensive set of equations is broken down into smaller groups of equations, overlapping subproblems are referred to as equations that reuse portions of the smaller equations several times to arrive at a solution. On the other hand, optimum substructures locate the best solution to an issue, then build the solution that provides the best results overall. This is how they solve pro...

  This article is about the human condition. For other uses, see   Health (disambiguation) . "Unhealthy" redirects here. For the Anne-Marie song, see  Unhealthy (song) . For the album, see  Unhealthy (album) . Health  has a variety of definitions, which have been used for different purposes over time. In general, it refers to physical and emotional  well-being , especially that associated with normal functioning of the  human body , absent of  disease ,  pain  (including  mental pain ), or  injury . Health can be promoted by encouraging healthful activities, such as regular  physical exercise  and adequate sleep, [ 1 ]  and by reducing or avoiding unhealthful activities or situations, such as  smoking  or excessive  stress . Some factors affecting health are due to  individual choices , such as whether to engage in a high-risk behavior, while others are due to  structural  causes, su...

  For grammatical articles in English, see   English articles . In  grammar , an  article  is any member of a class of dedicated words that are used with  noun phrases  to mark the identifiability of the referents of the noun phrases. The category of articles constitutes a  part of speech . In  English , both "the" and "a(n)" are articles, which combine with nouns to form noun phrases. Articles typically specify the grammatical  definiteness  of the noun phrase, but in many languages, they carry additional grammatical information such as  gender ,  number , and  case . Articles are part of a broader category called  determiners , which also include  demonstratives ,  possessive determiners , and  quantifiers . In linguistic  interlinear glossing , articles are  abbreviated  as  ART .

 the black cat Every few years, a black cat appeared in Hollow Creek, bringing fog and strange luck. One stormy night, Elara let it inside. By morning, the village was thriving—crops grew, wells filled. The cat was gone, but its mysterious blessing stayed.