[20250311] BOJ / G2 / 후위 표기식 / 김수연 #222
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Outdated suggestions cannot be applied.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
https://www.acmicpc.net/problem/1918
🧭 풀이 시간
40분
👀 체감 난이도
✏️ 문제 설명
중위 표기법으로 적혀있는 수식을 후위 표기법으로 바꾸기
🔍 풀이 방법
문자는 바로 출력하고, 연산자는 stack에 넣는다.
이후, stack의 연산자와 현재 연산자의 우선순위를 비교해서 현재 연산자보다 우선순위가 크거나 같은 연산자가 stack에 있으면 해당 값들을 다 출력한다.
⏳ 회고
stack을 사용한다는 거는 보자마자 알았는데, 연산자에 우선순위를 설정하는 거를 생각하지 못했다...