Bear and Shop Trip

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Bear Limak is an assistant in the kitchen. While he doesn't really know how to cook, he can run very fast and thus Chef often sends him to buy new ingredients from shops. Chef needs K different ingredients, numbered 1 through K. The kitchen is located at the point (0, 0). There are N shops. The i-th shop is located at the point (Xi, Yi) and its inventory is described by the string si of length K

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solution.cppC++17

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