Day 3: Permutations, Combinations
HackerRank 10 Days of statistics Permutations(์์ด): If there are people and chairs. People = {A, B, C, ... }Chairs = {1,2,3, ... } n = number of Peopler = number of chairs And if we let putting these five people in the five different chairs,it is a scenario, a permutation. (Click to see Khan Academy permutation lecture, if you need. ) When the number of people and chairs are the same.The number o..
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