Package g0201_0300.s0257_binary_tree_paths

Class Solution

java.lang.Object
g0201_0300.s0257_binary_tree_paths.Solution
public class Solution extends java.lang.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
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    java.util.List<java.lang.String>
    binaryTreePaths(TreeNode root)
     

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • binaryTreePaths

      public java.util.List<java.lang.String> binaryTreePaths(TreeNode root)