[20251016] BOJ / G5 / 사과나무 / 설진영 #1143
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🧷 문제 링크
https://www.acmicpc.net/problem/2079
🧭 풀이 시간
20분
👀 체감 난이도
✏️ 문제 설명
N×N 과수원에서 K×K 크기의 정사각형 영역을 선택하여 최대 이익을 구하기
모든 가능한 K(1≤K≤N)에 대해 최대값 찾기
🔍 풀이 방법
누적 합 + 브루트포스
sum = prefixSum[i][j] - prefixSum[i-K][j] - prefixSum[i][j-K] + prefixSum[i-K][j-K]
최댓값 갱신
⏳ 회고
쉬움