[20251213] BOJ / G2 / 반도체 설계 / 한종욱 #1662
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🧷 문제 링크
https://www.acmicpc.net/problem/2352
🧭 풀이 시간
40분
👀 체감 난이도
✏️ 문제 설명
반도체 포트가 안 교차하고 제일 많이 연결할 수 있는 개수는?
🔍 풀이 방법
lis배열의 상태를 '길이가 i+1인 증가 부분 수열 중에서, 가장 작은 끝나는 값'으로 설정하고, 가장 작은 끝나는 값의 위치를 구할 때 이분 탐색을 사용했다.
⏳ 회고
3번째 푸는데 이제야 좀 이해가 된다.