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🧷 문제 링크
https://www.acmicpc.net/problem/1562
🧭 풀이 시간
60분
👀 체감 난이도
✏️ 문제 설명
인접한 모든 자리의 차이가 1치면서 0~9까지 모두 등장한 수의 개수를 세라
🔍 풀이 방법
상태정의를
dp[N번째 자리][마지막 수][여태까지의 체크한 수]로 표현하고 더했다.⏳ 회고
<< 연산자 순위를 잘 모를 땐, 그냥 ()로 다 묶어서 명시하자. C 선생과 같이 풀었는데 비슷한 문제를 많이 풀어봐야 체화가 될꺼 같다. 그래도 재밌었다.