diff options
| author | Yuqian Yang <crupest@crupest.life> | 2025-02-28 23:13:39 +0800 |
|---|---|---|
| committer | Yuqian Yang <crupest@crupest.life> | 2025-02-28 23:13:39 +0800 |
| commit | 99e2e923d0c77b02f3fb4ff648ea916954868606 (patch) | |
| tree | ec8e03f6f2cd1ce43990fb4fe6cd631967d0237e /store/works/solutions/leetcode/cpp/101.cpp | |
| parent | 1cee979f5d36b311a03cc7397a036ba11caf3d42 (diff) | |
| download | crupest-99e2e923d0c77b02f3fb4ff648ea916954868606.tar.gz crupest-99e2e923d0c77b02f3fb4ff648ea916954868606.tar.bz2 crupest-99e2e923d0c77b02f3fb4ff648ea916954868606.zip | |
chore(store): move everything to store.
Diffstat (limited to 'store/works/solutions/leetcode/cpp/101.cpp')
| -rw-r--r-- | store/works/solutions/leetcode/cpp/101.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/store/works/solutions/leetcode/cpp/101.cpp b/store/works/solutions/leetcode/cpp/101.cpp new file mode 100644 index 0000000..a1dad6f --- /dev/null +++ b/store/works/solutions/leetcode/cpp/101.cpp @@ -0,0 +1,43 @@ +#include <cstddef>
+
+struct TreeNode
+{
+ int val;
+ TreeNode *left;
+ TreeNode *right;
+ TreeNode(int x) : val(x), left(NULL), right(NULL) {}
+};
+
+class Solution
+{
+public:
+ static bool check(TreeNode *left, TreeNode *right)
+ {
+ if (left == NULL)
+ {
+ if (right == NULL)
+ return true;
+ else
+ return false;
+ }
+ else
+ {
+ if (right == NULL)
+ return false;
+ else
+ {
+ if (left->val != right->val)
+ return false;
+ return check(left->left, right->right) && check(left->right, right->left);
+ }
+ }
+ }
+
+ bool isSymmetric(TreeNode *root)
+ {
+ if (root == nullptr)
+ return true;
+
+ return check(root->left, root->right);
+ }
+};
|