CS Interview Question: Subtree of a tree

3 min readMay 26, 2020

Problem Statement

From: https://leetcode.com/problems/subtree-of-another-tree/solution/

Given two non-empty binary trees s and t, check whether tree t has exactly the same structure and node values with a subtree of s. A subtree of s is a tree consists of a node in s and all of this node’s descendants. The tree s could also be considered as a subtree of itself.

Example 1:
Given tree s:

/ \
4 5
/ \
1 2

Most of my writing is about software. I enjoy summarizing and analyzing books and self-help videos. I am senior software consultant at LazerTechnologies.com.