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Struct PageUserStat {
- tomlobato August 19, 2017pages: array of pointers to Page objects, sorted by visitorCount
users: array of pointers to User objects, sorted by userId
}
Page {
pageId: int
visitorCount: int
visitCount: int
}
User {
userId: int
pageCounts: array of pointers to Page objects, sorted by visitCount
}
This provides:
Query 1/2: Teta/Omeg(logP) O(P), worst case happens when a large number of pages satisfies the condition.
Query 3: Teta/Omeg(logU+logP) O(P), worst case happens when a large number of users satisfies the condition.
U is the number of distinct users.
P is the number of distinct pages.