July - Day 13 - Same Tree

Solution.java

// https://leetcode.com/explore/challenge/card/july-leetcoding-challenge/545/week-2-july-8th-july-14th/3389/

public class Solution {
    public boolean isSameTree(TreeNode p, TreeNode q) {
        
        if(p == null && q == null)
            return true;
            
        if(p == null || q == null)
            return false;
        
        if(p.val != q.val)
            return false;
        
        return isSameTree(p.left, q.left) && isSameTree(p.right, q.right);
    }
}