From cb10b39e292eab9b201bd8231b182252f10f3833 Mon Sep 17 00:00:00 2001 From: Jinyeong Seol Date: Thu, 16 Oct 2025 23:44:47 +0900 Subject: [PATCH] =?UTF-8?q?[20251016]=20BOJ=20/=20G5=20/=20=EC=82=AC?= =?UTF-8?q?=EA=B3=BC=EB=82=98=EB=AC=B4=20/=20=EC=84=A4=EC=A7=84=EC=98=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...74\353\202\230\353\254\264.md\342\200\216" | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 "Seol-JY/202510/16 BOJ G5 \354\202\254\352\263\274\353\202\230\353\254\264.md\342\200\216" diff --git "a/Seol-JY/202510/16 BOJ G5 \354\202\254\352\263\274\353\202\230\353\254\264.md\342\200\216" "b/Seol-JY/202510/16 BOJ G5 \354\202\254\352\263\274\353\202\230\353\254\264.md\342\200\216" new file mode 100644 index 00000000..cb0ad6b8 --- /dev/null +++ "b/Seol-JY/202510/16 BOJ G5 \354\202\254\352\263\274\353\202\230\353\254\264.md\342\200\216" @@ -0,0 +1,40 @@ +```java +import java.io.*; +import java.util.*; + +public class Main { + public static void main(String[] args) throws IOException { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + + int N = Integer.parseInt(br.readLine()); + int[][] orchard = new int[N + 1][N + 1]; + + for (int i = 1; i <= N; i++) { + StringTokenizer st = new StringTokenizer(br.readLine()); + for (int j = 1; j <= N; j++) { + orchard[i][j] = Integer.parseInt(st.nextToken()); + } + } + + int[][] prefixSum = new int[N + 1][N + 1]; + for (int i = 1; i <= N; i++) { + for (int j = 1; j <= N; j++) { + prefixSum[i][j] = orchard[i][j] + prefixSum[i-1][j] + prefixSum[i][j-1] - prefixSum[i-1][j-1]; + } + } + + int maxProfit = Integer.MIN_VALUE; + + for (int K = 1; K <= N; K++) { + for (int i = K; i <= N; i++) { + for (int j = K; j <= N; j++) { + int sum = prefixSum[i][j] - prefixSum[i-K][j] - prefixSum[i][j-K] + prefixSum[i-K][j-K]; + maxProfit = Math.max(maxProfit, sum); + } + } + } + + System.out.println(maxProfit); + } +} +```