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🧷 문제 링크
https://www.acmicpc.net/problem/17953
🧭 풀이 시간
20분
👀 체감 난이도
✏️ 문제 설명
각 디저트에 대한 만족감이 각 날마다 정의되어 있고, 전날과 같은 디저트를 먹는 경우 만족감에 패널티(만족도 반감)이 있을 때, 만족감의 최대치 구하기
🔍 풀이 방법
2차원 DP 배열을 만들고, 매 날마다 각 디저트를 먹을 때 누적 최대 만족감을 구한다. 전날과 같은 디저트를 먹을 때는 만족도가 반감되는것을 고려하고 개중 최댓값을 각각 저장.
⏳ 회고
DP로 풀어야 된다는 것만 알게되면 쉽게 풀 수 있을듯. 반복문 돌릴때 인덱스 관리 잘하기