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Week 15 0603 Warmup: UVA 11417 with TDD flow #991

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Merged
AugustChaoTW merged 2 commits into from
Jun 3, 2026
Merged

Week 15 0603 Warmup: UVA 11417 with TDD flow #991

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c1320b7
test: add failing tests for UVA 11417 GCD
Jun 3, 2026
b812ab7
feat: implement UVA 11417 GCD
Jun 3, 2026
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9 changes: 9 additions & 0 deletions weeks/week-15/solutions/fychao/0603/gcd.py
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Original file line number Diff line number Diff line change
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from math import gcd


def sum_of_gcd(n: int) -> int:
total = 0
for i in range(1, n):
for j in range(i + 1, n + 1):
total += gcd(i, j)
return total
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18 changes: 18 additions & 0 deletions weeks/week-15/solutions/fychao/0603/test_gcd.py
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import unittest

from gcd import sum_of_gcd
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class TestSumOfGcd(unittest.TestCase):
def test_n_equals_2(self):
self.assertEqual(sum_of_gcd(2), 1)

def test_n_equals_10(self):
self.assertEqual(sum_of_gcd(10), 67)

def test_n_equals_1_edge_case(self):
self.assertEqual(sum_of_gcd(1), 0)


if __name__ == "__main__":
unittest.main()
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