[정현준] 2주차 답안 제출 #347
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[정현준] 2주차 답안 제출 #347
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jdalma
commented
Aug 19, 2024
jdalma
commented
- Valid Anagram #218
- Counting Bits #233
- Encode and Decode Strings #238
- Construct Binary Tree From Preorder And Inorder Traversal #253
- Decode Ways #268
obzva
approved these changes
Aug 20, 2024
| * preorder : 현재(부모) 노드부터 왼쪽 자식 노드, 오른쪽 자식 노드 | ||
| * inorder : 왼쪽 자식 노드 부터 부모 노드, 오른쪽 자식 노드 | ||
| */ | ||
| fun buildTree(preorder: IntArray, inorder: IntArray): TreeNode? { |
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안녕하세요 현준님
이 문제에 대해서도 Big-O analysis를 추가해주시면 좋을 것 같습니다 :D
| return dp | ||
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| // 3. 최하위 비트를 제거한 결과를 재활용한다. (최하위 비트를 제거한 결과) + (현재 십진수의 최하위비트) |
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| /** | ||
| * 4. 배열을 사용하지 않고 DP 적용 |
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이 풀이도 정말 좋네요
memoisation 배열의 모든 값이 필요하지 않다는 점을 잘 캐치하신 것 같습니다
DaleSeo
reviewed
Aug 20, 2024
Comment on lines
+30
to
+38
| @Test | ||
| fun `문자열 목록을 하나의 문자열로 인코딩한다`() { | ||
| encode(listOf("leet","co:de","l:o:v:e","you")) shouldBeEqual "4:leet5:co:de7:l:o:v:e3:you" | ||
| } | ||
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| @Test | ||
| fun `문자열을 문자열 목록으로 디코딩한다`() { | ||
| decode("4:leet5:co:de7:l:o:v:e3:you") shouldBeEqual listOf("leet","co:de","l:o:v:e","you") | ||
| } |
Co-authored-by: Dale Seo <5466341+DaleSeo@users.noreply.github.com>
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