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| author | crupest <crupest@outlook.com> | 2020-08-15 14:16:48 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2020-08-15 14:16:48 +0800 |
| commit | d27007746e01fda55f4abc2cb49e46f319a8f0ba (patch) | |
| tree | c5ef1af1af65165587be7ada95ef0a6dfcd6788f /cpp/965.cpp | |
| parent | 10b16d9c727d21eda445fc17f1717cf21a957e8a (diff) | |
| download | solutions-d27007746e01fda55f4abc2cb49e46f319a8f0ba.tar.gz solutions-d27007746e01fda55f4abc2cb49e46f319a8f0ba.tar.bz2 solutions-d27007746e01fda55f4abc2cb49e46f319a8f0ba.zip | |
Add problem 965 .
Diffstat (limited to 'cpp/965.cpp')
| -rw-r--r-- | cpp/965.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
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 |