[BOJ 5430] AC - #119
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풀이 요약
deque로 파싱해 앞/뒤 삭제가 가능하도록 구성했습니다.R연산은 실제 배열을 매번 뒤집지 않고reverse_flag만 토글해 방향 상태를 관리했습니다.D연산은 현재 방향에 따라 앞 또는 뒤에서 원소를 제거하고, 비어 있으면error를 출력하도록 처리했습니다.Link
https://velog.io/@sh0723/PS-%EB%B0%B1%EC%A4%80-5430%EB%B2%88-AC
문제
Closes #118