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[Algorithm] BOJ 13926 gcd(n, k) = 1 — φ(n) 계산 (C++/Python)
![[Algorithm] BOJ 13926 gcd(n, k) = 1 — φ(n) 계산 (C++/Python)](/post/algorithm/2025-10-14-boj-13926-gcd-n-k-equals-1-cpp-python-solution/wordcloud_hu_4f80697d0be61606.png)