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flowersayo
reviewed
Sep 30, 2022
| } | ||
| int temp = 0; | ||
| //input선언 시에 size를 안 정하면 오류가 나고, size를 정하면 0으로 초기화가 되어 오름차순 정리시 0으로 앞이 채워져 | ||
| //아래와 같이 for문을 작성했습니다. for 0부터 n까지로 작성하고 싶다면 어떻게 해야하나요? |
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n을 입력받고 나서 벡터배열의 크기를 동적으로 할당해주시면 됩니다😊😊
input.assign(n,0); // 벡터의 크기를 n만큼 동적 할당
| check[i] = true; | ||
| backTracking(cnt + 1); | ||
| check[i] = false; | ||
| } |
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맞아요! 이전 수열의 마지막 항과 새로 추가할 값이 같으면 중복된 수열이 된다는 점을 활용하면 되는 문제였어요.
기본 재귀 순열에서 이전에 선택된 값을 저장하는 temp 변수를 사용하여
cnt 번째 같은 숫자가 중복되서 사용되지 않도록 구현해주셨네요!🥰
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[추가제출 확인 완료] |
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내용 & 질문
<기존 제출>
<추가 제출>