Interesting problem from ECPC

Правка en1, от Chess.Master, 2023-08-12 21:00:54

Hello codeforces. I have this problem from ECPC Qualifications. And i am really interested in solving it. I noteced that it can be solved using Mo's algorithm. But unfortinatly I need help to solve this problem

image

Can anyone please help me?

Теги ecpc, icpc, acpc, help

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en1 Английский Chess.Master 2023-08-12 21:00:54 379 Initial revision (published)