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小墨
2022-05-02 23:44:12 +08:00
parent 7ea03594b3
commit 2a71c78585
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leetcode/originData/course-schedule-ii.json
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@@ -11,8 +11,8 @@
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"difficulty": "Medium",
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"dislikes": 231,
"likes": 6511,
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"isLiked": null,
"similarQuestions": "[{\"title\": \"Course Schedule\", \"titleSlug\": \"course-schedule\", \"difficulty\": \"Medium\", \"translatedTitle\": null}, {\"title\": \"Alien Dictionary\", \"titleSlug\": \"alien-dictionary\", \"difficulty\": \"Hard\", \"translatedTitle\": null}, {\"title\": \"Minimum Height Trees\", \"titleSlug\": \"minimum-height-trees\", \"difficulty\": \"Medium\", \"translatedTitle\": null}, {\"title\": \"Sequence Reconstruction\", \"titleSlug\": \"sequence-reconstruction\", \"difficulty\": \"Medium\", \"translatedTitle\": null}, {\"title\": \"Course Schedule III\", \"titleSlug\": \"course-schedule-iii\", \"difficulty\": \"Hard\", \"translatedTitle\": null}, {\"title\": \"Parallel Courses\", \"titleSlug\": \"parallel-courses\", \"difficulty\": \"Medium\", \"translatedTitle\": null}, {\"title\": \"Find All Possible Recipes from Given Supplies\", \"titleSlug\": \"find-all-possible-recipes-from-given-supplies\", \"difficulty\": \"Medium\", \"translatedTitle\": null}]",
"exampleTestcases": "2\n[[1,0]]\n4\n[[1,0],[2,0],[3,1],[3,2]]\n1\n[]",
@@ -155,7 +155,7 @@
"__typename": "CodeSnippetNode"
}
],
"stats": "{\"totalAccepted\": \"595.5K\", \"totalSubmission\": \"1.3M\", \"totalAcceptedRaw\": 595477, \"totalSubmissionRaw\": 1285556, \"acRate\": \"46.3%\"}",
"stats": "{\"totalAccepted\": \"610.2K\", \"totalSubmission\": \"1.3M\", \"totalAcceptedRaw\": 610153, \"totalSubmissionRaw\": 1312445, \"acRate\": \"46.5%\"}",
"hints": [
"This problem is equivalent to finding the topological order in a directed graph. If a cycle exists, no topological ordering exists and therefore it will be impossible to take all courses.",
"<a href=\"https://class.coursera.org/algo-003/lecture/52\" target=\"_blank\">Topological Sort via DFS</a> - A great video tutorial (21 minutes) on Coursera explaining the basic concepts of Topological Sort.",