DISTNUM2 - Editorial

tutorial
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21

Wow, you got AC with O(N*N/64) :o

1 Like
22

The editorial also includes an approach using persistent segment trees. (“functional data structures”)

2 Likes
23

Using “at least” in this case is equivalent, but has the added benefit that if the statement is true for V, then the statement is true for V’ > V.

24

Okay, thank you.

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How do I go from where I currently am(4-6 questions in Long Challenges) to solving questions like these?