Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
🧷 문제 링크
https://www.acmicpc.net/problem/1106
🧭 풀이 시간
50분
👀 체감 난이도
✏️ 문제 설명
호텔은 최소 C명 이상 고객을 늘려야 한다.
도시마다 (비용, 늘어나는 고객 수)가 주어지고, 광고는 같은 도시에서 여러 번 해도 된다.
최소 비용을 구하면 된다.
🔍 풀이 방법
dp[x] = x명 늘리는 최소 비용으로 두고, 각 도시마다 dp[j] = min(dp[j], dp[j-gain] + cost) 갱신하면 된다.
한번에 늘릴 수 있는 고객의 최댓값이 100이라서, C명을 넘기는 경우도 최대 100만 더 보면 충분하므로 c~c+100 중 최솟값이 답이다.
⏳ 회고