1 files changed, 11 insertions, 0 deletions
diff --git a/leetcode/2236/main.c b/leetcode/2236/main.c
new file mode 100644
index 0000000..b9c67c7
--- /dev/null
+++ b/leetcode/2236/main.c
@@ -0,0 +1,11 @@
+/**
+ * Definition for a binary tree node.
+ * struct TreeNode {
+ *     int val;
+ *     struct TreeNode *left;
+ *     struct TreeNode *right;
+ * };
+ */
+bool checkTree(struct TreeNode *root) {
+  return root->left->val + root->right->val == root->val;
+}