[20251211] BOJ / G4 / 알고리즘 수업 - 행렬 경로 문제 4 / 김민진#1645
Merged
ShinHeeEul merged 1 commit intomainfrom Dec 11, 2025
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
🧷 문제 링크
알고리즘 수업 - 행렬 경로 문제 4
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
주어진 좌표를 하나라도 거치며
(N, N)에 도달할 때 얻을 수 있는 가장 높은 점수🔍 풀이 방법
3차원 dp
⏳ 회고
초기화 과정이 조금 헷갈렸음,,
dp[1][1]초기화는 계산을 쉽게 하기 위한 패딩이 아님계산의 일부이기 때문에 계산에서 제외해야 제대로 된 값이 나옴
→ 포함시키는 경우
dp[1][1]이 P에 속하는지 여부 따져서 초기화 한 것이 무용지물이 됨dp 두 번 쓴 사람들이 많네..