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🧷 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...