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푼 문제
백준 1463 - 1로 만들기
백준 1987 - 알파벳
백준 2605 - 바이러스
백준 7576 - 토마토
그래프 탐색 문제 풀이
스터디
프로그래머스 - 행렬 테두리 회전하기
꼼꼼하게 신경 써야하는 구현 문제. Deque를 활용해 회전 논리 구현
프로그래머스 - 두 큐 합 같게 만들기
큐의 합 같게 만들기. 조건에 따라 from -> to queue 업데이트. Queue를 한 번 객체로 감싸 원소의 합 연산 횟수 줄임
특히, 합을 같게 만들 수 없는 조건을 찾는게 핵심