[20250920] BOJ / G4 / 체스판 다시 칠하기 2 / 김민진 #940
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🧷 문제 링크
체스판 다시 칠하기 2
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
이차원 누적합
🔍 풀이 방법
좌측 상단이 검은색일 때랑 흰 색일 때 다시 칠해야하는 칸의 수를 구하고
K*K를 비교해서 다시 칠해야하는 칸의 최소값을 구하면 됩니다..
⏳ 회고
ㅋㅋ..