From d27007746e01fda55f4abc2cb49e46f319a8f0ba Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 15 Aug 2020 14:16:48 +0800
Subject: Add problem 965 .

---
 cpp/965.cpp | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 cpp/965.cpp

diff --git a/cpp/965.cpp b/cpp/965.cpp
new file mode 100644
index 0000000..fd2bff6
--- /dev/null
+++ b/cpp/965.cpp
@@ -0,0 +1,29 @@
+#include <cstddef>
+
+struct TreeNode
+{
+    int val;
+    TreeNode *left;
+    TreeNode *right;
+    TreeNode(int x) : val(x), left(NULL), right(NULL) {}
+};
+
+class Solution
+{
+public:
+    static bool traverse(TreeNode *root, int val)
+    {
+        if (root == NULL)
+            return true;
+        if (root->val != val)
+            return false;
+        return traverse(root->left, root->val) && traverse(root->right, root->val);
+    }
+
+    bool isUnivalTree(TreeNode *root)
+    {
+        if (root == NULL)
+            return true;
+        return traverse(root, root->val);
+    }
+};
\ No newline at end of file
-- 
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