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author | Jack Sangdahl <[email protected]> | 2025-03-10 00:36:13 -0600 |
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committer | Jack Sangdahl <[email protected]> | 2025-03-10 00:36:13 -0600 |
commit | 7c60dee83b436e8e8a667bf9f191beced8de4fc3 (patch) | |
tree | eb7a24ee2067f92245c57bb118e85a1baf15df50 /other/add_row_tree.cpp | |
parent | 5d7cdc215e4ba1ec4cbb24c084cccb5e5e641468 (diff) | |
download | leetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.tar.gz leetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.zip |
chore: move cpp and rust code to directory
Diffstat (limited to 'other/add_row_tree.cpp')
-rw-r--r-- | other/add_row_tree.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/other/add_row_tree.cpp b/other/add_row_tree.cpp new file mode 100644 index 0000000..54ebfb4 --- /dev/null +++ b/other/add_row_tree.cpp @@ -0,0 +1,29 @@ +#include "leetcode.h" + +class Solution { +public: + TreeNode *addOneRow(TreeNode *root, int val, int depth) { + if (depth-- == 1) + return new TreeNode(val, root, nullptr); + queue<TreeNode *> q; + q.push(root); + while (!q.empty()) { + bool addLevel = depth-- == 1; + size_t sz = q.size(); + for (size_t _ = 0; _ < sz; _++) { + TreeNode *curr = q.front(); + q.pop(); + if (addLevel) { + curr->left = new TreeNode(val, curr->left, nullptr); + curr->right = new TreeNode(val, nullptr, curr->right); + continue; + } + if (curr->left) + q.push(curr->left); + if (curr->right) + q.push(curr->right); + } + } + return root; + } +}; |