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author | crupest <crupest@outlook.com> | 2021-02-23 21:07:19 +0800 |
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committer | crupest <crupest@outlook.com> | 2021-02-23 21:07:19 +0800 |
commit | d8f3b40085619cb680c8f227c65a1f5acc393223 (patch) | |
tree | 6a38e3a6c79276fc396259ef962d17236dbed569 /cpp/paths-with-sums-lcci.cpp | |
parent | b0162802ad9723c678e495f29ca2f0fc0af2eff1 (diff) | |
download | solutions-d8f3b40085619cb680c8f227c65a1f5acc393223.tar.gz solutions-d8f3b40085619cb680c8f227c65a1f5acc393223.tar.bz2 solutions-d8f3b40085619cb680c8f227c65a1f5acc393223.zip |
Move leetcode solutions to subdir.
Diffstat (limited to 'cpp/paths-with-sums-lcci.cpp')
-rw-r--r-- | cpp/paths-with-sums-lcci.cpp | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/cpp/paths-with-sums-lcci.cpp b/cpp/paths-with-sums-lcci.cpp deleted file mode 100644 index 697182d..0000000 --- a/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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