[20250715] BOJ / G4 / 이중 우선순위 큐 / 설진영 #470
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🧷 문제 링크
https://www.acmicpc.net/problem/7662
🧭 풀이 시간
35분
👀 체감 난이도
✏️ 문제 설명
앞뒤에서 뺄 수 있는 이중 우선순위 큐를 만들기
🔍 풀이 방법
TreeMap을 사용해서 키의 정렬을 보장하고,
여러 값이 들어올때를 핸들링함
⏳ 회고
처음에 PriorityQueue를 두 개 사용해서 풀려고 하다가, TreeMap이 떠올라 구현함