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# Cars parked in the parking lot problem

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## There are many cars parked in the parking lot. The parking is a straight very long line and a parking slot for every single meter. There are cars parked currently and you want to cover them from the rain by building a roof. The requirement is that at least k cars are covered by the roof. What's the minimum length of the roof that would cover k cars? The function has the following parameters:cars: integer array of length denoting the parking slots where cars are parkedk: integer denoting the number of cars that have to be covered by the roof Example: Input: cars: [2, 10, 8, 17] k: 3 output: 9 Explanation: you can build a roof of length 9 covering all parking slots from the 2nd one to the 10th one, so covering 3 cars at slots 2, 10, 8, there are no shorter roof that can cover 3 cars, so the answer is 9Note: 1 <= n <= 10^5 1 <= k <= n 1 <= cars[i] <= 10^14 All slots token by cars are unique

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