Create main.cpp

Author: JawadSher

17 - Binary Tree Data Structure Problems/10 - Same Tree/main.cpp

@@ -0,0 +1,28 @@
+/**
+ * Definition for a binary tree node.
+ * struct TreeNode {
+ *     int val;
+ *     TreeNode *left;
+ *     TreeNode *right;
+ *     TreeNode() : val(0), left(nullptr), right(nullptr) {}
+ *     TreeNode(int x) : val(x), left(nullptr), right(nullptr) {}
+ *     TreeNode(int x, TreeNode *left, TreeNode *right) : val(x), left(left), right(right) {}
+ * };
+ */
+class Solution {
+public:
+    bool isSameTree(TreeNode* p, TreeNode* q) {
+        if(p == NULL && q == NULL) return 1;
+        if(p == NULL && q != NULL) return 0;
+        if(p != NULL && q == NULL) return 0;
+
+        bool left = isSameTree(p -> left, q -> left);
+        bool right = isSameTree(p -> right, q -> right);
+
+        bool value = p -> val == q -> val;
+
+        if(left && right && value) return 1;
+
+        return 0;
+    }
+};