Problem from ECPC qualifications day 2

Правка en1, от Chess.Master, 2023-08-12 20:37:11

Hello codeforeces, I was trying to upsolve the ECPC Q day 2 and I am stuggle with this problem and need some help please.

image

I am thinking of using mo's algorithm but I can't solve this problem. Can any one help me please?

Теги ecpc, icpc, acpc, help, upsolve

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en2 Английский Chess.Master 2023-08-12 21:04:19 12
en1 Английский Chess.Master 2023-08-12 20:37:11 377 Initial revision (published)