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小墨
2022-05-02 23:44:12 +08:00
parent 7ea03594b3
commit 2a71c78585
4790 changed files with 11696 additions and 10944 deletions
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4
leetcode/originData/pseudo-palindromic-paths-in-a-binary-tree.json
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@@ -11,7 +11,7 @@
"translatedContent": null,
"isPaidOnly": false,
"difficulty": "Medium",
"likes": 946,
"likes": 965,
"dislikes": 34,
"isLiked": null,
"similarQuestions": "[]",
@@ -161,7 +161,7 @@
"__typename": "CodeSnippetNode"
}
],
"stats": "{\"totalAccepted\": \"50.3K\", \"totalSubmission\": \"74.7K\", \"totalAcceptedRaw\": 50322, \"totalSubmissionRaw\": 74731, \"acRate\": \"67.3%\"}",
"stats": "{\"totalAccepted\": \"50.9K\", \"totalSubmission\": \"75.7K\", \"totalAcceptedRaw\": 50923, \"totalSubmissionRaw\": 75743, \"acRate\": \"67.2%\"}",
"hints": [
"Note that the node values of a path form a palindrome if at most one digit has an odd frequency (parity).",
"Use a Depth First Search (DFS) keeping the frequency (parity) of the digits. Once you are in a leaf node check if at most one digit has an odd frequency (parity)."