[20251025] BOJ / G4 / 가장 긴 증가하는 부분 수열 4 / 김민진#1227
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ShinHeeEul merged 1 commit intomainfrom Oct 25, 2025
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🧷 문제 링크
가장 긴 증가하는 부분 수열 4
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
수열이 주어졌을 때 가장 긴 증가하는 부분 수열의 길이와 값 출력하기
🔍 풀이 방법
dp + 역추적
dp로
i가 가장 마지막 요소라고 가정했을 때의 부분 수열 길이 저장하여lis값을 구함dp배열 역순으로 확인만약
dp[i]에lis와 동일한 값이 들어있으면 해당 값을 스택에 넣고lis--탐색 끝나면 스택
pop()하면서 값 출력⏳ 회고
🙂🙃🙂🙃