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project_euler/problem_024/sol1.py
28 строк
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""" A permutation is an ordered arrangement of objects. For example, 3124 is one possible permutation of the digits 1, 2, 3 and 4. If all of the permutations are listed numerically or alphabetically, we call it lexicographic order. The lexicographic permutations of 0, 1 and 2 are: 012 021 102 120 201 210 What is the millionth lexicographic permutation of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9? """ from itertools import permutations def solution(): """Returns the millionth lexicographic permutation of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. >>> solution() '2783915460' """ result = list(map("".join, permutations("0123456789"))) return result[999999] if __name__ == "__main__": print(solution())