Break into groups

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Everyone is busy in preparing for NPL(National Programming League). Naresh is preparing hard to brush up all the important topics before NPL.There are n days left for NPL. He wants to divide this n days into groups consisting of consecutive days so that he can prepare one topic in each group.Naresh wonders in how many ways,this can be done such that he get atleast k days for each topic(There are a

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solution.cppC++17

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