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🧷 문제 링크
https://www.acmicpc.net/problem/2437
🧭 풀이 시간
40분
👀 체감 난이도
✏️ 문제 설명
무게가 양의 정수인 N개의 저울추가 주어질 때, 이 추들을 사용하여 측정할 수 없는 양의 정수 무게 중 최솟값을 구하는 프로그램을 작성하시오.
예를 들어, 무게가 각각 3, 1, 6, 2, 7, 30, 1인 7개의 저울추가 주어졌을 때, 이 추들로 측정할 수 없는 양의 정수 무게 중 최솟값은 21이다.
🔍 풀이 방법
처음에는 전형적인 dp 방식으로 접근했는데, 그러면 메모리가 터져버렸다.
그래서 잘 생각해보니 무게가 가벼운것부터 하나씩 추가하며 어디까지 만들 수 있나 확인하면 아주 간단했다.
⏳ 회고