g0201_0300.s0257_binary_tree_paths

Class Solution

java.lang.Object

g0201_0300.s0257_binary_tree_paths.Solution

public class Solution
extends Object

257 - Binary Tree Paths.

Easy

Given the root of a binary tree, return all root-to-leaf paths in any order.

A leaf is a node with no children.

Example 1:

Input: root = [1,2,3,null,5]

Output: [“1->2->5”,“1->3”]

Example 2:

Input: root = [1]

Output: [“1”]

Constraints:

• The number of nodes in the tree is in the range [1, 100].
• -100 <= Node.val <= 100

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
List<String>	binaryTreePaths(TreeNode root)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Solution

public Solution()

Method Detail

binaryTreePaths

public List<String> binaryTreePaths(TreeNode root)