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muncool39
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Feb 13, 2026
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스터디 수고하셨습니다! 설명을 잘 해주셔서 이해가 쏙쏙 됐습니다 짱!! 👍
즐거운 연휴 보내세요! 😃
| } | ||
| } | ||
| } | ||
| depth += 1; |
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깊이 정보를 큐에 저장하지 않고 구한 점이 인상깊었습니다! 👍
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| if(hm.containsKey(s)) { | ||
| hm.get(s).add(score); | ||
| } else { | ||
| ArrayList<Integer> list = new ArrayList<>(); | ||
| list.add(score); | ||
| hm.put(s, list); | ||
| } |
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해당 부분을 map의 computeIfAbsent 를 사용해 간단하게 줄일 수 있을 것 같아요!
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🔥 해결한 문제
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