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🧷 문제 링크
https://www.acmicpc.net/problem/2170
🧭 풀이 시간
15분
👀 체감 난이도
✏️ 문제 설명
1차원에서 선을 긋는데 중첩도 있음. 총 선이 그어진 길이는?
🔍 풀이 방법
스위핑으로 처리함
시작점을 오름차순으로 정렬하고, 선이 끊어질 때마다 더하는 방식으로 구현
⏳ 회고
나랑 로직이 같은데 두 배 더 빠른 사람의 코드랑 정렬 기준을 하나 더 뺐는데 느려지는 점에 대해 찾아보는 중 -> 걍 테케차이인걸로