[20251024] PGM / Lv2 / 방문 길이 / 이강현 #1215
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🧷 문제 링크
https://school.programmers.co.kr/learn/courses/30/lessons/49994
🧭 풀이 시간
10분
👀 체감 난이도
✏️ 문제 설명
5x5 격자무늬 지도가 있음.
사용자가 상하좌우로 이동할거임.
이때 갔던 길의 개수를 출력.
이동하는 길이 중복하는 건 안셈
🔍 풀이 방법
set에 처음 위치 -> 다음 위치와 다음 위치 -> 처음 위치를 이동할때 쌍으로 집어넣음.
마지막에 set의 크기를 2로 나눔.
⏳ 회고
ez