Coloured Marbles

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Raghav dreams that he is in a shop with an infinite amount of marbles. He is allowed to select n number of marbles. There are marbles of k different colors. From each color there are also infinitely many marbles. Raghav wants that he should have at least one marble of each color, but still there are a lot of possibilities for his selection. In his efforts to settle on a choice he awakens. Now he a

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solution.cppC++17

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