Same Tree
Given two binary trees, write a function to check if they are the same or not. Two binary trees are considered the same if they are structurally identical and the nodes have the same value. Tags: Tree
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Solution
# Definition for a binary tree node.
# class TreeNode:
# def __init__(self, val=0, left=None, right=None):
# self.val = val
# self.left = left
# self.right = right
class Solution:
def isSameTree(self, p: TreeNode, q: TreeNode) -> bool:
if p == None and q == None:
return True
if p == None:
return False
if q == None:
return False
return p.val == q.val and self.isSameTree(p.left, q.left) and self.isSameTree(p.right, q.right)