[20251211] BOJ / G5 / 전깃줄 / 한종욱 #1642
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🧷 문제 링크
https://www.acmicpc.net/problem/2565
🧭 풀이 시간
60분
👀 체감 난이도
✏️ 문제 설명
교차되어있는 전깃줄을 최소로 몇 개를 빼야 교차되어 있는 게 없니?
🔍 풀이 방법
LIS를 구하는 방식에 전체 개수를 빼면 되는데, 어제 배웠던 이분탐색을 적용해봤다.
⏳ 회고
이분탐색을 그냥 못함.....