26 lines
630 B
Python
26 lines
630 B
Python
#!/usr/bin/env python3
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# If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
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#
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# Find the sum of all the multiples of 3 or 5 below 1000.
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from projecteuler import timing
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@timing
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def p001() -> None:
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_sum = 0
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# Simple brute-force approach: try every number between 3 and 999,
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# check if it's a multiple of 3 or 5, if yes add it to the total.
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for i in range(3, 1000):
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if i % 3 == 0 or i % 5 == 0:
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_sum += i
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print('Project Euler, Problem 1')
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print(f'Answer: {_sum}')
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if __name__ == '__main__':
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p001()
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