[20250717] BOJ / G5 / 두 개의 탑 / 김수연

Author: suyeun84

suyeun84/202507/17 BOJ G5 두 개의 탑.md

@@ -0,0 +1,41 @@
+```java
+import java.util.*;
+import java.io.*;
+
+public class boj2118 {
+    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+    static StringTokenizer st;
+    static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+    static int nextInt() {return Integer.parseInt(st.nextToken());}
+
+    public static void main(String[] args) throws Exception {
+        nextLine();
+        int N = nextInt();
+        int sum = 0;
+        int[] dist = new int[N+1];
+
+        for(int i=0;i<N;i++){
+            nextLine();
+            dist[i] = nextInt();
+            sum += dist[i];
+        }
+
+        int start = 0, last = 0, result = 0;
+        int now = dist[start];
+
+        while(start <= last && last < N){
+            int minNow = Integer.min(now,sum - now);
+            result = Integer.max(result, minNow);
+            if(now == minNow){
+                last++;
+                now += dist[last];
+            }
+            else{
+                now -= dist[start];
+                start++;
+            }
+        }
+        System.out.println(result);
+    }
+}
+```