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小墨
2023-12-09 19:57:46 +08:00
parent 9bc4722a45
commit 3770b44d1e
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leetcode/originData/unique-paths-ii.json
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@@ -155,7 +155,7 @@
"__typename": "CodeSnippetNode"
}
],
"stats": "{\"totalAccepted\": \"841.8K\", \"totalSubmission\": \"2M\", \"totalAcceptedRaw\": 841807, \"totalSubmissionRaw\": 2046877, \"acRate\": \"41.1%\"}",
"stats": "{\"totalAccepted\": \"841.9K\", \"totalSubmission\": \"2M\", \"totalAcceptedRaw\": 841890, \"totalSubmissionRaw\": 2047103, \"acRate\": \"41.1%\"}",
"hints": [
"Use dynamic programming since, from each cell, you can move to the right or down.",
"assume dp[i][j] is the number of unique paths to reach (i, j). dp[i][j] = dp[i][j -1] + dp[i - 1][j]. Be careful when you encounter an obstacle. set its value in dp to 0."