AtCoder Grand Contest 006

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
Rabbit Exercise Fcdkbear Is the j-th jump in the set is performed strictly after the (j-1)-th jump was performed? Yes. Yes
Median Pyramid Easy vicennial For sample case 2 when N=2 and x=1, why is the answer -1?

If we arrange the Nth step as 1 2 3 then wouldn't 1st step take either value 1 or value 3?
I am not sure if I understand the condition for b properly.
The integer in block b must be equal to the median of the three integers below b. Yes