[20250608] BOJ / G4 / 호텔 / 이강현 #338
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🧷 문제 링크
https://www.acmicpc.net/problem/1106
🧭 풀이 시간
60분
👀 체감 난이도
✏️ 문제 설명
도시에 홍보를 하면 고객을 불러들일 수 있음. 도시마다 홍보에 드는 비용과 그때 얻을 수 있는 고객 수가 정해질때, 최소 C이상의 고객을 얻을 수 있는 최소 비용을 출력하자.
🔍 풀이 방법
unbounded knapsack 문제
⏳ 회고
C명 이상이므로 dp 배열을 좀 더 넉넉하게 잡아야한다는 점. 한 도시를 여러번 반복해서 접근 가능하니 정순으로 탐색해야한다는 점.