[20250628] BOJ / S1 / 스티커 / 설진영 #395
Merged
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🧷 문제 링크
https://www.acmicpc.net/problem/9465
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
2행 N열로 구성된 스티커 배열이 주어진다.
인접한 스티커(상하좌우)는 동시에 뗄 수 없다.
각 스티커에는 점수가 있으며, 뗀 스티커의 점수를 합산한다.
최대 점수의 합을 구하라.
🔍 풀이 방법
dp[0][i] = max(dp[1][i - 1], dp[1][i - 2]) + sticker[0][i]
dp[1][i] = max(dp[0][i - 1], dp[0][i - 2]) + sticker[1][i]
점화식 사용
⏳ 회고
전형적인 DP 문제, 점화식만 잘 세우면 된다.