[geegong] WEEK 05 solutions #1847
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- implement trie prefix tree - word break
hyer0705
approved these changes
Aug 23, 2025
| // Arrays.copyOf() | ||
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| for (char eachChar : chars) { | ||
| numberOfLetters[eachChar - 'a']++; // 각 character 에 해당되는 배열의 인덱스에 1씩 값을 더해간다 ex) aba => ['2', '0', '0', ... ,'0'] / abfcb = ['1', '2', '1', '0', '0', '1', '0'...'0'] |
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Java의 경우 문자의 뺄셈 연산은 자동으로 숫자로 변경되는 건가요? 그렇다면 편리하네요!
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Node class를 내부 클래스로 구현하셨군요. 내부 클래스를 사용한 이유는 Trie class 에서만 사용하기 위해 그렇게 구현하신건지 궁금합니다.
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네넵~ 딱히 내부 클래스로 구현하려고 한건 아닙니다ㅎㅎ 단순히 제 이름 클래스 안에서 문제 풀이하려다보니 그렇게 작성되었네요😅
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