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목록Find the Duplicate Number (1)
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LeetCode: 287. Find the Duplicate Number
As a novice, it was not easy at all for me to solve this problem. I relied on other people's explanations and codes, and this post is to summarize their ideas. It is very tricky to solve this problem within O(N) time & O(1) memory. (* without modifying the array) The best way is "Floyd's Algorithm" as this problem can be seen as a linked list with a cycle. Check out the below video for further e..
Computer Science/Coding Test
2021. 12. 28. 20:35