26 lines
432 B
Python
26 lines
432 B
Python
#!/usr/bin/python3
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from math import factorial
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from timeit import default_timer
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def main():
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start = default_timer()
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n = str(factorial(100))
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sum_ = 0
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for i in range(len(n)):
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sum_ = sum_ + int(n[i])
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end = default_timer()
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print('Project Euler, Problem 20')
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print('Answer: {}'.format(sum_))
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print('Elapsed time: {:.9f} seconds'.format(end - start))
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if __name__ == '__main__':
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main()
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