From 99e2e923d0c77b02f3fb4ff648ea916954868606 Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Fri, 28 Feb 2025 23:13:39 +0800
Subject: chore(store): move everything to store.

---
 store/works/solutions/leetcode/lccup/2021/1.cpp | 27 +++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 store/works/solutions/leetcode/lccup/2021/1.cpp

(limited to 'store/works/solutions/leetcode/lccup/2021/1.cpp')

diff --git a/store/works/solutions/leetcode/lccup/2021/1.cpp b/store/works/solutions/leetcode/lccup/2021/1.cpp
new file mode 100644
index 0000000..550da04
--- /dev/null
+++ b/store/works/solutions/leetcode/lccup/2021/1.cpp
@@ -0,0 +1,27 @@
+struct TreeNode {
+    int val;
+    TreeNode *left;
+    TreeNode *right;
+    TreeNode(int x) : val(x), left(nullptr), right(nullptr) {}
+};
+
+class Solution {
+public:
+    int visited[1001] {0};
+    int result = 0;
+
+    void DFS(TreeNode* r) {
+      if (!visited[r->val]) {
+        result += 1;
+        visited[r->val] = 1;
+      }
+
+      if (r->left) DFS(r->left);
+      if (r->right) DFS(r->right);
+    }
+
+    int numColor(TreeNode* root) {
+      DFS(root);
+      return result;
+    }
+};
\ No newline at end of file
-- 
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