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【Project Euler】Problem 29: べき乗の値

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  • 本記事はProjectEulerの「100番以下の問題の説明は記載可能」という規定に基づいて回答のヒントが書かれていますので、自分である程度考えてみてから読まれることをお勧めします。

問題 29:べき乗の値

原文 Problem 29: Distinct powers

問題の要約:$2 \leq a, b \leq 100$ のとき$a^b$の値の数を求めよ、ただし重複はかぞえない

Pythonでは2重ループはitertools、重複を除くのはsetを使うと簡潔に書けますね。

from itertools import product
ab = range(2, 100+1)
print(f"Answer : {len(set([a**b for a, b in product(ab,repeat=2)]))}")

(開発環境:Google Colab)

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