Create Solution.java

Author: sreshtha10

leetcode/EASY/Same Tree/Solution.java

@@ -0,0 +1,24 @@
+/**
+ * Definition for a binary tree node.
+ * public class TreeNode {
+ *     int val;
+ *     TreeNode left;
+ *     TreeNode right;
+ *     TreeNode() {}
+ *     TreeNode(int val) { this.val = val; }
+ *     TreeNode(int val, TreeNode left, TreeNode right) {
+ *         this.val = val;
+ *         this.left = left;
+ *         this.right = right;
+ *     }
+ * }
+ */
+class Solution {
+    public boolean isSameTree(TreeNode p, TreeNode q) {
+        if (p == null && q == null) return true;
+        if (q == null || p == null) return false;
+        if (p.val != q.val) return false;
+        return isSameTree(p.right, q.right) &&
+                isSameTree(p.left, q.left);
+    }
+}