Create SearchInBST.cpp

Author: anshulbh9

SearchInBST.cpp

@@ -0,0 +1,26 @@
+/**
+ * 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:
+    TreeNode* searchBST(TreeNode* root, int val) {
+        if(root==NULL){
+            return root;
+        }
+        if(root->val==val){
+            return root;
+        }
+        else if(root->val>val){
+            return searchBST(root->left,val);
+        }
+        return searchBST(root->right,val);
+    }
+};