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🧷 문제 링크
https://www.acmicpc.net/problem/2457
🧭 풀이 시간
40분
👀 체감 난이도
✏️ 문제 설명
정원에 꽃을 심으려고 할 때,
만족할 때, 선택한 꽃들의 최소 개수 구하기
🔍 풀이 방법
꽃들을 시작 날짜의 오름차순으로 정렬하고, 같을 때는 끝 날짜의 내림차순으로 정렬
이후, 이전 꽃의 끝 날짜 이전에 피면서, 가장 오랜 시간 펴 있는 꽃을 선택함
⏳ 회고
뭔가 헷갈렸는데 하고 나면 별로 안어려운 느낌