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🧷 문제 링크
https://www.acmicpc.net/problem/11037
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
중복 없는 수는 각 숫자(1, 2, 3, ..., 9)가 최대 한 번씩 등장하고, 숫자 0은 포함하지 않는 수이다. 따라서 중복 없는 수는 최대 9자리로 이루어질 수 있다. 중복 없는 수의 예시로는 9, 32, 489, 98761, 983245 등이 있다.
정수 N이 주어질 때, N보다 크면서 가장 작은 중복 없는 수를 출력하는 프로그램을 작성하라.
🔍 풀이 방법
재귀를 통해 진행하여 풀었다.
⏳ 회고