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小墨
2022-03-29 16:56:27 +08:00
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commit ad15da05aa
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leetcode-cn/originData/[no content]leftmost-column-with-at-least-a-one.json
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@@ -46,7 +46,7 @@
],
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"stats": "{\"totalAccepted\": \"1.4K\", \"totalSubmission\": \"2.4K\", \"totalAcceptedRaw\": 1445, \"totalSubmissionRaw\": 2400, \"acRate\": \"60.2%\"}",
"stats": "{\"totalAccepted\": \"1.5K\", \"totalSubmission\": \"2.4K\", \"totalAcceptedRaw\": 1461, \"totalSubmissionRaw\": 2419, \"acRate\": \"60.4%\"}",
"hints": [
"1. (Binary Search) For each row do a binary search to find the leftmost one on that row and update the answer.",
"2. (Optimal Approach) Imagine there is a pointer p(x, y) starting from top right corner. p can only move left or down. If the value at p is 0, move down. If the value at p is 1, move left. Try to figure out the correctness and time complexity of this algorithm."