How to Solve Delete Nodes And Return Forest Problem
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Delete Nodes And Return Forest
Given the root of a binary tree, each node in the tree has a distinct value. After deleting all nodes with a value in to_delete, we are left with a forest (a disjoint union of trees). Return the roots...
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Understanding the Delete Nodes And Return Forest Problem
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Problem Statement
Given the root of a binary tree, each node in the tree has a distinct value. After deleting all nodes with a value in to_delete, we are left with a forest (a disjoint union of trees). Return the roots of the trees in the remaining forest. You may return the result in any order.
Delete Nodes And Return Forest
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Examples
root = [1,2,3,4,5,6,7], to_delete = [3,5][[1,2,null,4],[6],[7]]root = [1,2,4,null,3], to_delete = [3][[1,2,4]]Constraints
The number of nodes in the given tree is at most 1000.Each node has a distinct value between 1 and 1000.to_delete.length <= 1000to_delete contains distinct values between 1 and 1000.How Interview Coder Helps with Leetcode Problems
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