diff options
Diffstat (limited to 'works/solutions/leetcode/cpp/501.cpp')
-rw-r--r-- | works/solutions/leetcode/cpp/501.cpp | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/works/solutions/leetcode/cpp/501.cpp b/works/solutions/leetcode/cpp/501.cpp deleted file mode 100644 index 197ed10..0000000 --- a/works/solutions/leetcode/cpp/501.cpp +++ /dev/null @@ -1,58 +0,0 @@ -#include <cstddef> -#include <vector> - -using std::vector; - -struct TreeNode -{ - int val; - TreeNode *left; - TreeNode *right; - TreeNode(int x) : val(x), left(NULL), right(NULL) {} -}; - -class Solution -{ -public: - void dfs(TreeNode *node, int &last, int &count, int &max_count, vector<int> &result) - { - if (node == nullptr) - return; - - dfs(node->left, last, count, max_count, result); - - auto current = node->val; - if (current == last) - { - count += 1; - } - else - { - count = 1; - } - - if (count == max_count) - { - result.push_back(current); - } - else if (count > max_count) - { - max_count = count; - result.clear(); - result.push_back(current); - } - - last = current; - dfs(node->right, last, count, max_count, result); - } - - vector<int> findMode(TreeNode *root) - { - if (root == nullptr) - return {}; - int last = 0, count = 0, max_count = 0; - vector<int> result; - dfs(root, last, count, max_count, result); - return result; - } -}; |