[20250912] BOJ / G4 / RGB거리 2 / 한종욱 - #874
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🧷 문제 링크
https://www.acmicpc.net/problem/17404
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
기존 RGB에서 마지막에 1번집과 N번집을 비교하는 문제, 그래서 최소 cost 얼만데?
🔍 풀이 방법
집을 하나하나 강제해서 DP를 3번 돌림
⏳ 회고
너무 한번에 풀려고 하는 것보다 3번같이 적은 양은 for문보다 직접 때려박는게 더 구현이 빠르다.