From 8445f440d9b3552b925016cfb4e93ae905c81b79 Mon Sep 17 00:00:00 2001 From: Jinyeong Seol Date: Wed, 15 Oct 2025 23:47:56 +0900 Subject: [PATCH] =?UTF-8?q?[20251015]=20BOJ=20/=20G5=20/=20=EA=BF=80=20?= =?UTF-8?q?=EB=94=B0=EA=B8=B0=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 --- ...0 \353\224\260\352\270\260.md\342\200\216" | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 "Seol-JY/202510/15 BOJ G5 \352\277\200 \353\224\260\352\270\260.md\342\200\216" diff --git "a/Seol-JY/202510/15 BOJ G5 \352\277\200 \353\224\260\352\270\260.md\342\200\216" "b/Seol-JY/202510/15 BOJ G5 \352\277\200 \353\224\260\352\270\260.md\342\200\216" new file mode 100644 index 00000000..a0c92272 --- /dev/null +++ "b/Seol-JY/202510/15 BOJ G5 \352\277\200 \353\224\260\352\270\260.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[] H = new int[N]; + + StringTokenizer st = new StringTokenizer(br.readLine()); + for (int i = 0; i < N; i++) { + H[i] = Integer.parseInt(st.nextToken()); + } + + int[] S = new int[N]; + S[0] = H[0]; + for (int i = 1; i < N; i++) { + S[i] = S[i - 1] + H[i]; + } + + int answer = 0; + + for (int mid = 1; mid < N - 1; mid++) { + answer = Math.max(answer, 2 * S[N - 1] - H[0] - H[mid] - S[mid]); + } + + for (int mid = 1; mid < N - 1; mid++) { + answer = Math.max(answer, S[N - 2] + S[mid] - 2 * H[mid]); + } + + for (int mid = 1; mid < N - 1; mid++) { + answer = Math.max(answer, S[N - 2] - H[0] + H[mid]); + } + + System.out.println(answer); + } +} +```