From f59d52158f2ec24cca5c567ee09a3238d5254b92 Mon Sep 17 00:00:00 2001
From: LiiNi-coder <97495437+LiiNi-coder@users.noreply.github.com>
Date: Sun, 28 Sep 2025 22:28:25 +0900
Subject: [PATCH] =?UTF-8?q?[20250928]=20BOJ=20/=20G5=20/=20CCW=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/202509/28  BOJ CCW.md | 32 +++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 LiiNi-coder/202509/28  BOJ CCW.md

diff --git a/LiiNi-coder/202509/28  BOJ CCW.md b/LiiNi-coder/202509/28  BOJ CCW.md
new file mode 100644
index 00000000..7346a316
--- /dev/null
+++ b/LiiNi-coder/202509/28  BOJ CCW.md	
@@ -0,0 +1,32 @@
+```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));
+        StringTokenizer st;
+        
+        st = new StringTokenizer(br.readLine());
+        long x1 = Long.parseLong(st.nextToken());
+        long y1 = Long.parseLong(st.nextToken());
+        
+        st = new StringTokenizer(br.readLine());
+        long x2 = Long.parseLong(st.nextToken());
+        long y2 = Long.parseLong(st.nextToken());
+        
+        st = new StringTokenizer(br.readLine());
+        long x3 = Long.parseLong(st.nextToken());
+        long y3 = Long.parseLong(st.nextToken());
+
+        long value = (x2 - x1) * (y3 - y1) - (x3 - x1) * (y2 - y1); // 외적
+        if(value > 0) {
+            System.out.println(1);
+        }else if(value < 0) {
+            System.out.println(-1);
+        }else{
+            System.out.println(0);
+        }
+    }
+}
+```