From 3aff61ffd407a3b4a3bb8b071c0e11f41c18c047 Mon Sep 17 00:00:00 2001
From: LiiNi-coder <97495437+LiiNi-coder@users.noreply.github.com>
Date: Sat, 13 Sep 2025 23:11:14 +0900
Subject: [PATCH] =?UTF-8?q?[20250913]=20BOJ=20/=20G5=20/=20AC=20/=20?=
 =?UTF-8?q?=EC=9D=B4=EC=9D=B8=ED=9D=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 LiiNi-coder/202509/13 BOJ AC.md | 72 +++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 LiiNi-coder/202509/13 BOJ AC.md

diff --git a/LiiNi-coder/202509/13 BOJ AC.md b/LiiNi-coder/202509/13 BOJ AC.md
new file mode 100644
index 00000000..0f70814c
--- /dev/null
+++ b/LiiNi-coder/202509/13 BOJ AC.md	
@@ -0,0 +1,72 @@
+```java
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayDeque;
+import java.util.Deque;
+import java.util.StringTokenizer;
+
+public class Main {
+    private static BufferedReader br;
+    private static StringBuilder sb;
+
+    public static void main(String[] args) throws IOException {
+        br = new BufferedReader(new InputStreamReader(System.in));
+        sb = new StringBuilder();
+
+        int T = Integer.parseInt(br.readLine());
+
+        for (int t = 0; t < T; t++) {
+            String p = br.readLine();
+            int n = Integer.parseInt(br.readLine());
+            String arrStr = br.readLine();
+
+            Deque<Integer> q = new ArrayDeque<>();
+            if (n > 0) {
+                arrStr = arrStr.substring(1, arrStr.length() - 1);
+                StringTokenizer st = new StringTokenizer(arrStr, ",");
+                for (int i = 0; i < n; i++) {
+                    q.addLast(Integer.parseInt(st.nextToken()));
+                }
+            }
+
+            boolean reversed = false;
+            boolean error = false;
+            for (char c : p.toCharArray()) {
+                if (c == 'R') {
+                    reversed = !reversed;
+                } else if (c == 'D') {
+                    if (q.isEmpty()) {
+                        sb.append("error\n");
+                        error = true;
+                        break;
+                    }
+                    if (!reversed) q.pollFirst();
+                    else q.pollLast();
+                }
+            }
+
+            if (!error) {
+                sb.append("[");
+                if (!q.isEmpty()) {
+                    if (!reversed) {
+                        while (!q.isEmpty()) {
+                            sb.append(q.pollFirst());
+                            if (!q.isEmpty()) sb.append(",");
+                        }
+                    } else {
+                        while (!q.isEmpty()) {
+                            sb.append(q.pollLast());
+                            if (!q.isEmpty()) sb.append(",");
+                        }
+                    }
+                }
+                sb.append("]\n");
+            }
+        }
+
+        System.out.print(sb.toString());
+    }
+}
+
+```