From 29830b037add45f58e44c8711837cbfe53b85f3d Mon Sep 17 00:00:00 2001 From: suyeun84 <81475092+suyeun84@users.noreply.github.com> Date: Tue, 15 Jul 2025 10:29:18 +0900 Subject: [PATCH] =?UTF-8?q?[20250715]=20BOJ=20/=20G5=20/=20A=EC=99=80=20B?= =?UTF-8?q?=20/=20=EA=B9=80=EC=88=98=EC=97=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../202507/15 BOJ G5 A\354\231\200 B.md" | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 "suyeun84/202507/15 BOJ G5 A\354\231\200 B.md" diff --git "a/suyeun84/202507/15 BOJ G5 A\354\231\200 B.md" "b/suyeun84/202507/15 BOJ G5 A\354\231\200 B.md" new file mode 100644 index 00000000..c3a5a3bb --- /dev/null +++ "b/suyeun84/202507/15 BOJ G5 A\354\231\200 B.md" @@ -0,0 +1,35 @@ +```java +import java.util.*; +import java.io.*; + +public class boj12904 { + static BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + static StringTokenizer st; + + static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());} + + static String S; + public static void main(String[] args) throws Exception { + nextLine(); + S = st.nextToken(); + nextLine(); + String T = st.nextToken(); + System.out.println(find(T)); + } + + static int find(String curr) { + int len = curr.length(); + if (S.equals(curr)) return 1; + else { + if (len <= 1) return 0; + } + if (curr.charAt(len-1) == 'B') { + StringBuilder sb = new StringBuilder(curr.substring(0, len - 1)); + return find(sb.reverse().toString()); + } else if (curr.charAt(len-1) == 'A') { + return find(curr.substring(0, len - 1)); + } + return 0; + } +} +```