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@ikeyaH

atCoder beginner contest 300番台 再起・bit演算を利用する問題一覧

Posted at

再帰関数およびbitを用いた処理が苦手なので、300番台 c or d 問題でそれらを利用して解ける問題をまとめておきます。コメント含め自分用です。

再帰関数

340 - C

再帰 + メモ化。解説を見たのちはあまり難しくない

367 - C

配列 + 再帰 だとなぜか想像しにくくなる。練習したい。

bit演算

356 - C

問題文の理解が少し難しい。「矛盾しない」というところがポイント。

358 - C

総当たりだが、どのようにループを回すかが鍵

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