1 files changed, 19 insertions, 0 deletions
diff --git a/0100/main.c b/0100/main.c
new file mode 100644
index 0000000..22f36b0
--- /dev/null
+++ b/0100/main.c
@@ -0,0 +1,19 @@
+/**
+ * Definition for a binary tree node.
+ * struct TreeNode {
+ *     int val;
+ *     struct TreeNode *left;
+ *     struct TreeNode *right;
+ * };
+ */
+bool isSameTree(struct TreeNode* p, struct TreeNode* q) {
+    if (p == NULL && q == NULL) {
+        return true;
+    }
+    if (p == NULL || q == NULL) {
+        return false;
+    }
+    return p->val == q->val
+        && isSameTree(p->left, q->left)
+        && isSameTree(p->right, q->right);
+}
+\ No newline at end of file