[20251013] BOJ / G5 / 두 개의 탑 / 한종욱

Author: Ukj0ng

Ukj0ng/202510/13 BOJ G5 두 개의 탑.md

@@ -0,0 +1,48 @@
+```
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    private static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    private static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    private static int[] dist;
+    private static int N, sum, answer;
+    public static void main(String[] args) throws IOException {
+        init();
+
+        bw.write(answer + "\n");
+        bw.flush();
+        bw.close();
+        br.close();
+    }
+
+    private static void init() throws IOException {
+        N = Integer.parseInt(br.readLine());
+        sum = 0;
+        answer = 0;
+
+        dist = new int[N];
+
+        for (int i = 0; i < N; i++) {
+            dist[i] = Integer.parseInt(br.readLine());
+            sum += dist[i];
+        }
+
+        int left = 0;
+        int right = 1;
+        int val = dist[right-1];
+
+        while (left < N) {
+            answer = Math.max(answer, Math.min(val, sum-val));
+
+            if (val < sum - val) {
+                val += dist[right % N];
+                right++;
+            } else {
+                val -= dist[left];
+                left++;
+            }
+        }
+    }
+}
+```