>ExpInterview_

Subtree Of Another Tree

Easy
TreeDFS

Subtree of Another Tree

Given the roots of two binary trees root and subRoot, return true if there is a subtree of root with the same structure and node values of subRoot and false otherwise.

Example 1:

Input: root = [3,4,5,1,2], subRoot = [4,1,2]
Output: true

Example 2:

Input: root = [3,4,5,1,2,null,null,null,null,0], subRoot = [4,1,2]
Output: false

Examples

Input: root = [3,4,5,1,2], subRoot = [4,1,2]
Output: true
Input: root = [3,4,5,1,2,null,null,null,null,0], subRoot = [4,1,2]
Output: false
Input: root = [1], subRoot = [1]
Output: true

Constraints

  • •The number of nodes in the root tree is in the range [1, 2000].
  • •The number of nodes in the subRoot tree is in the range [1, 1000].
  • •-10^4 <= root.val <= 10^4
  • •-10^4 <= subRoot.val <= 10^4