Question: class Solution: def find _ path _ sum _ to _ k ( self , root: Optional [ TreeNode ] , k: int ) -

class Solution:
def find_path_sum_to_k(self, root: Optional[TreeNode], k: int)-> bool:
if not root:
return False
if root.val == k and not root.left and not root.right:
return True
return self.find_path_sum_to_k(root.left, k - root.val) or self.find_path_sum_to_k(root.right, k - root.val)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

need some help completing this lab 10 as soon as possible! the code in black is from a previous lab that i did that this one is a continuation of. the file with student names is one that i created...

Q:

Main.py From here, bst.py The introduction is here from bst import BST class Pair: '.' Encapsulate letter, count pair as a single entity. Realtional methods make this object comparable using built-in...

Q:

This is a java lab CharTree.java import java.io.*; import java.util.*; /** * Class invariant: This code for a binary tree satisfies the * binary search tree storage rule. * CSSSKL 143 * @author (your...

Q:

2. Requirements: Using the above code, you are asked to extend the TreeType class to support the following member functions: 1. Implement a member function IsFullTree to test whether the tree is full...

Q:

Path Sum for Binary Tree Using C++ (LeetCode Programming) Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the...

Q:

Path Sum for Binary Tree Using C++ (LeetCode Programming) Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the...

Q:

1 ) Count nodes Given a binary tree root, a node X is named max node if in the path from root to X there are no nodes with a value greater than X . Return the number of max nodes in the binary tree....

Q:

Here is the code of binary search tree: class TreeNode { public: void insert_node(TreeNode* new_node); void print_nodes() const; bool find(string value) const; private: string data; TreeNode* left;...

Q:

Complete the python program by implementing an AVL class and completing the functions and following the instructions commented in the code of avl.py:...

Q:

Your tasks are listed below. 1. Implement the base case (when the Tree is empty). 2. Implement the case where self._root == parent (i.e. the case where we're inserting item to the Tree). 3 + 4....

Q:

Selected information from Large Corporation's accounting records and financial statements for 2018 is as follows ($ in millions): Cash paid to acquire a patent $ 54 Treasury stock purchased for cash...

Q:

A vertical force F acts on the crankshaft. Determine the horizontal equilibrium force P that must be applied to the handle and the x, y, z components of force at the smooth journal bearing A and the...

Q:

The decision technique that measures the estimated performance of a capital investment by dividing the project's annual after - tax income by the average investment cost is called the: Multiple...

Q:

what are the factors that shape your organization external competitiveness to recruit and retain employees

Q:

Flexibility. Organizations are introducing new working patterns and abandoning some traditional ones, influenced by economic transformation and savings in labour costs; however, part-time working has...

Q:

Recruitment and redundancy. Skills shortages as a result of loss of employees and lower wages in the state- and former state-owned organizations has led to targeting of school leavers, the long-term...

Q:

Underestimation of the complexities of a free market, with a tendency to rely on imported solutions. Western managers, they recommend, should encourage a blend of HRM involving both free market...