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ssafy_algorithm_study/src/week8/SWEA5658TreasureBox/Solution.java Lines 66 to 68 in 97c527e List의 contains()는 O(n)의 시간복잡도를 가지지만, Set의 contains()는 O(1)의 시간복잡도를 가집니다.중복체크 용도로는 set이 조금 더 효율적일 것 같습니다. |
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이렇게 하면 거꾸로 정렬이 가능하군요 하나 배웠습니다. |
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