Shop in Candy Store

In a candy store, there are n different types of candies available and the prices of all the N different types of candies are provided to you. You are now provided with an attractive offer.

For every candy you buy from the store and get K other candies ( all are different types ) for free. Now you have to answer two questions. Firstly, you have to find what is the minimum amount of money you have to spend to buy all the n different candies. Secondly, you have to find what is the maximum amount of money you have to spend to buy all the n different candies.

In both the cases you must utilize the offer i.e. you buy one candy and get k other candies for free.

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