[20251106] PGM / LV2 / 전화번호 목록 / 김민진 #1332
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🧷 문제 링크
전화번호 목록
🧭 풀이 시간
20분
👀 체감 난이도
✏️ 문제 설명
전화번호 목록이 주어졌을 때 임의의 전화번호가 다른 전화번호의 접두어인 경우
false그렇지 않으면true🔍 풀이 방법
Trie
⏳ 회고
트라이 간만,,