AtCoder Regular Contest 098

Clarifications質問질문

Title問題名 User nameユーザ名 Question質問 Response回答 Public全体公開 Created time投稿日時 Modified time最終更新日時
Attention maroonrk 「リーダーの方向を向く」とは、「リーダーと同じ方向を向く」という意味ではなく、「リーダーのいる方向を向く」という意味です。

“face in the direction of the leader” means to “face toward the leader”, not to “face in the same direction as the leader”
Yes
Donation koosaga Should I always perform two kind of operation together? No, you can choose not to donate to a vertex right after visiting it. Yes