From ba5f56120028ea8fed6e4a0e526113c99b827948 Mon Sep 17 00:00:00 2001
From: zinnnn37 <zinnnn37@gmail.com>
Date: Tue, 23 Dec 2025 22:58:09 +0900
Subject: [PATCH] =?UTF-8?q?[20251223]=20BOJ=20/=20G5=20/=20=EB=91=90=20?=
 =?UTF-8?q?=EA=B0=9C=EC=9D=98=20=ED=83=91=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

---
 ... \352\260\234\354\235\230 \355\203\221.md" | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 "zinnnn37/202512/23 BOJ G5 \353\221\220 \352\260\234\354\235\230 \355\203\221.md"

diff --git "a/zinnnn37/202512/23 BOJ G5 \353\221\220 \352\260\234\354\235\230 \355\203\221.md" "b/zinnnn37/202512/23 BOJ G5 \353\221\220 \352\260\234\354\235\230 \355\203\221.md"
new file mode 100644
index 00000000..8f7481ac
--- /dev/null
+++ "b/zinnnn37/202512/23 BOJ G5 \353\221\220 \352\260\234\354\235\230 \355\203\221.md"	
@@ -0,0 +1,54 @@
+```java
+import java.io.*;
+
+public class BJ_2118_두_개의_탑 {
+
+    private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    private static final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+
+    private static int N, ans, half;
+    private static int[] dist;
+
+    public static void main(String[] args) throws IOException {
+        init();
+        sol();
+    }
+
+    private static void init() throws IOException {
+        N = Integer.parseInt(br.readLine());
+        ans = 0;
+        dist = new int[2 * N];
+
+        for (int i = 0; i < N; i++) {
+            dist[i] = Integer.parseInt(br.readLine());
+            dist[i + N] = dist[i];
+            half += dist[i];
+        }
+        half /= 2;
+    }
+
+    private static void sol() throws IOException {
+        int left    = 0;
+        int right   = 0;
+        int curDist = 0;
+
+        while (left < N) {
+            while (true) {
+                curDist += dist[right++];
+                if (curDist > half) {
+                    curDist -= dist[--right];
+                    break;
+                }
+            }
+
+            ans = Math.max(ans, curDist);
+            curDist -= dist[left++];
+        }
+        bw.write(ans + "");
+        bw.flush();
+        bw.close();
+        br.close();
+    }
+
+}
+```
\ No newline at end of file