[선재] WEEK 12 Solution #567
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DaleSeo
reviewed
Oct 29, 2024
| * | ||
| * n = minimum tree node count of p or q | ||
| * time complexity: O(n) | ||
| * space complexity: O(1) |
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콜 스택이 차지하는 메모리도 고려해야하지 않을까요?
jdalma
reviewed
Oct 29, 2024
| * | ||
| * n = total length of head node list | ||
| * time complexity: O(n) | ||
| * space complexity: O(n) |
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이 해답의 공간복잡도는 O(1)인 것 같은데 혹시 선형 크기만큼 공간을 포함하는 이유가 무엇일까요??
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| for (let i = 0; i < nodeCount; i++) { | ||
| if (nodeCount - n === i) { | ||
| i++; | ||
| node = node.next; | ||
| } | ||
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| answerNode.next = node; | ||
| answerNode = node; | ||
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| node = node?.next ?? null; | ||
| } |
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저는 임시 리스트를 생성해서 참조를 다 담아서 비효율적으로 풀었었는데, 총 노드 사이즈를 구한 후에 헤드 노드의 참조를 처음부터 다시 갱신하여 n의 위치에서는 건너뛰는 방법 인상깊네요 ㅎㅎ
잘 봤습니다!
jdalma
approved these changes
Nov 3, 2024
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