Breakfast at RD

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One morning, all the students in Emerald woke up and saw that Mess is closed. They were hungry so they rushed to RD for break fast. But Pappu told them that only "K" kachories are left. (K is less than the no. of students), so he decided that he will give one kachori each to some of the students and the rest have to wait for next turn. Help him to find out in how many ways he can choose those "K"

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solution.cppC++17

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