Ciel and Karaoke

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You need to find the distance from the given piecewise-constant function to the set of all functions, satisfying Lipschitz condition with the constant K, in the space L1(−∞, +∞). If you understand nothing here then read the problem statement below :P Chef Ciel and her friends go to karaoke after the New Year's party. In karaoke, they sing songs, and moreover, recent karaoke machines can score the

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solution.cppC++17

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