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267b5eff40
* Added doctest and more explanation about Dijkstra execution. * tests were not passing with python2 due to missing __init__.py file at number_theory folder * Removed the dot at the beginning of the imported modules names because 'python3 -m doctest -v data_structures/hashing/*.py' and 'python3 -m doctest -v data_structures/stacks/*.py' were failing not finding hash_table.py and stack.py modules. * Moved global code to main scope and added doctest for project euler problems 1 to 14. * Added test case for negative input. * Changed N variable to do not use end of line scape because in case there is a space after it the script will break making it much more error prone. * Added problems description and doctests to the ones that were missing. Limited line length to 79 and executed python black over all scripts. * Changed the way files are loaded to support pytest call. * Added __init__.py to problems to make them modules and allow pytest execution. * Added project_euler folder to test units execution * Changed 'os.path.split(os.path.realpath(__file__))' to 'os.path.dirname()'
38 lines
802 B
Python
38 lines
802 B
Python
"""
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Permuted multiples
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Problem 52
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It can be seen that the number, 125874, and its double, 251748, contain exactly
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the same digits, but in a different order.
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Find the smallest positive integer, x, such that 2x, 3x, 4x, 5x, and 6x,
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contain the same digits.
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"""
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def solution():
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"""Returns the smallest positive integer, x, such that 2x, 3x, 4x, 5x, and
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6x, contain the same digits.
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>>> solution()
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142857
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"""
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i = 1
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while True:
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if (
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sorted(list(str(i)))
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== sorted(list(str(2 * i)))
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== sorted(list(str(3 * i)))
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== sorted(list(str(4 * i)))
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== sorted(list(str(5 * i)))
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== sorted(list(str(6 * i)))
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):
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return i
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i += 1
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if __name__ == "__main__":
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print(solution())
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