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小墨
2023-12-09 19:57:46 +08:00
parent 9bc4722a45
commit 3770b44d1e
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leetcode-cn/originData/cracking-the-safe.json
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@@ -155,7 +155,7 @@
"__typename": "CodeSnippetNode"
}
],
"stats": "{\"totalAccepted\": \"17.2K\", \"totalSubmission\": \"23K\", \"totalAcceptedRaw\": 17171, \"totalSubmissionRaw\": 22975, \"acRate\": \"74.7%\"}",
"stats": "{\"totalAccepted\": \"17.2K\", \"totalSubmission\": \"23K\", \"totalAcceptedRaw\": 17172, \"totalSubmissionRaw\": 22976, \"acRate\": \"74.7%\"}",
"hints": [
"We can think of this problem as the problem of finding an Euler path (a path visiting every edge exactly once) on the following graph: there are $$k^{n-1}$$ nodes with each node having $$k$$ edges. It turns out this graph always has an Eulerian circuit (path starting where it ends.)\r\n\r\nWe should visit each node in \"post-order\" so as to not get stuck in the graph prematurely."
],