diff --git "a/Seol-JY/202511/16 BOJ G5 \354\225\204\354\232\260\354\234\274 \354\232\260\354\225\204\354\234\274\354\235\264\354\225\274!!.md\342\200\216" "b/Seol-JY/202511/16 BOJ G5 \354\225\204\354\232\260\354\234\274 \354\232\260\354\225\204\354\234\274\354\235\264\354\225\274!!.md\342\200\216"
new file mode 100644
index 00000000..5683c7b5
--- /dev/null
+++ "b/Seol-JY/202511/16 BOJ G5 \354\225\204\354\232\260\354\234\274 \354\232\260\354\225\204\354\234\274\354\235\264\354\225\274!!.md\342\200\216"	
@@ -0,0 +1,41 @@
+```java
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        
+        int n = Integer.parseInt(br.readLine());
+        
+        if (n == 0) {
+            System.out.println(0);
+            return;
+        }
+        
+        StringTokenizer st = new StringTokenizer(br.readLine());
+        int currentStart = Integer.parseInt(st.nextToken());
+        int currentEnd = Integer.parseInt(st.nextToken());
+        
+        int totalLength = 0;
+        
+        for (int i = 1; i < n; i++) {
+            st = new StringTokenizer(br.readLine());
+            int x = Integer.parseInt(st.nextToken());
+            int y = Integer.parseInt(st.nextToken());
+            
+            if (x <= currentEnd) {
+                currentEnd = Math.max(currentEnd, y);
+            } else {
+                totalLength += (currentEnd - currentStart);
+                currentStart = x;
+                currentEnd = y;
+            }
+        }
+        
+        totalLength += (currentEnd - currentStart);
+        
+        System.out.println(totalLength);
+    }
+}
+```