diff options
Diffstat (limited to 'works/solutions/leetcode/cpp/paths-with-sums-lcci.cpp')
-rw-r--r-- | works/solutions/leetcode/cpp/paths-with-sums-lcci.cpp | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/works/solutions/leetcode/cpp/paths-with-sums-lcci.cpp b/works/solutions/leetcode/cpp/paths-with-sums-lcci.cpp deleted file mode 100644 index 697182d..0000000 --- a/works/solutions/leetcode/cpp/paths-with-sums-lcci.cpp +++ /dev/null @@ -1,46 +0,0 @@ -#include <cstddef>
-
-struct TreeNode
-{
- int val;
- TreeNode *left;
- TreeNode *right;
- TreeNode(int x) : val(x), left(NULL), right(NULL) {}
-};
-
-#include <vector>
-
-class Solution
-{
-public:
- std::vector<int> current;
-
- int dfs(TreeNode *root, int sum)
- {
- if (root == nullptr)
- return 0;
-
- current.push_back(root->val);
-
- int s = 0;
- int count = 0;
-
- for (auto iter = current.crbegin(); iter != current.crend(); ++iter)
- {
- s += *iter;
- if (s == sum)
- count++;
- }
-
- count += dfs(root->left, sum) + dfs(root->right, sum);
-
- current.pop_back();
-
- return count;
- }
-
- int pathSum(TreeNode *root, int sum)
- {
- return dfs(root, sum);
- }
-};
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