problem0114

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Published: Feb 15, 2020 License: MIT Imports: 1 Imported by: 0

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114. Flatten Binary Tree to Linked List

题目

Given a binary tree, flatten it to a linked list in-place.

For example,
Given
         1
        / \
       2   5
      / \   \
     3   4   6

The flattened tree should look like:
   1
    \
     2
      \
       3
        \
         4
          \
           5
            \
             6

click to show hints.

Hints: If you notice carefully in the flattened tree, each node's right child points to the next node of a pre-order traversal.

解题思路

见程序注释

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type TreeNode

type TreeNode = kit.TreeNode

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