From 8acea252e1148c2c61d435ce616529e25a2472cf Mon Sep 17 00:00:00 2001 From: zinnnn37 Date: Sat, 13 Sep 2025 22:39:28 +0900 Subject: [PATCH] =?UTF-8?q?[20250913]=20BOJ=20/=20G3=20/=20=EC=B9=B4?= =?UTF-8?q?=EB=93=9C=20=EA=B2=8C=EC=9E=84=20/=20=EA=B9=80=EB=AF=BC?= =?UTF-8?q?=EC=A7=84?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...4\353\223\234 \352\262\214\354\236\204.md" | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 "zinnnn37/202509/13 BOJ G3 \354\271\264\353\223\234 \352\262\214\354\236\204.md" diff --git "a/zinnnn37/202509/13 BOJ G3 \354\271\264\353\223\234 \352\262\214\354\236\204.md" "b/zinnnn37/202509/13 BOJ G3 \354\271\264\353\223\234 \352\262\214\354\236\204.md" new file mode 100644 index 00000000..767aaa6b --- /dev/null +++ "b/zinnnn37/202509/13 BOJ G3 \354\271\264\353\223\234 \352\262\214\354\236\204.md" @@ -0,0 +1,67 @@ +```java +import java.io.*; +import java.util.Arrays; +import java.util.StringTokenizer; + +public class BJ_11062_์นด๋“œ_๊ฒŒ์ž„ { + + private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + private static final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); + private static final StringBuilder sb = new StringBuilder(); + private static StringTokenizer st; + + private static int N; + + private static int[] cards = new int[1001]; + private static boolean[] visited = new boolean[1001]; + private static int[][] dp = new int[1001][1001]; + + public static void main(String[] args) throws IOException { + int T = Integer.parseInt(br.readLine()); + + while (T-- > 0) { + init(); + sol(); + } + bw.write(sb.toString()); + bw.flush(); + bw.close(); + br.close(); + } + + private static void init() throws IOException { + N = Integer.parseInt(br.readLine()); + + Arrays.fill(cards, 0); + Arrays.fill(visited, false); + for (int i = 0; i < N; i++) { + Arrays.fill(dp[i], 0); + } + + st = new StringTokenizer(br.readLine()); + for (int i = 0; i < N; i++) { + cards[i] = Integer.parseInt(st.nextToken()); + } + } + + private static void sol() throws IOException { + game(0, 0, N - 1); + + sb.append(dp[0][N - 1]).append("\n"); + } + + private static int game(int depth, int left, int right) { + if (right < left) return 0; + if (dp[left][right] != 0) return dp[left][right]; + + if (depth % 2 == 0) { + return dp[left][right] = Math.max(game(depth + 1, left + 1, right) + cards[left] + , game(depth + 1, left, right - 1) + cards[right]); + } else { + return dp[left][right] = Math.min(game(depth + 1, left + 1, right) + , game(depth + 1, left, right - 1)); + } + } + +} +``` \ No newline at end of file