Leetcode 1600. Throne Inheritance
Maintain an evolving rooted family tree (king as root) that supports adding a child and marking a person dead, and return the current inheritance order defined by a preorder (DFS) traversal that lists each person before their children in birth order, skipping deceased members. The core challenge is efficiently handling online updates and queries where the inheritance order follows this fixed traversal rule.
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Apple
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Early May, 2026
Apple
Mid-level
Given a list of people, with birth and death dates, who are decedents of a monarch, print the current line of succession
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