[bot]auto workbook update

Author: [bot]auto-workbook

workbook/0x02.md

@@ -1,6 +1,6 @@
 # 기초 코드 작성 요령 II
 
-![100%](https://progress-bar.dev/12/?scale=28&title=progress&width=500&color=babaca&suffix=/28)
+![100%](https://progress-bar.dev/13/?scale=28&title=progress&width=500&color=babaca&suffix=/28)
 
 [문제집 링크](https://www.acmicpc.net/workbook/view/7306)
 
@@ -33,4 +33,4 @@
 | 2443 | [별 찍기 - 6](https://www.acmicpc.net/problem/2443) | [정답 코드](../0x02/solutions/2443.cpp) |
 | 2444 | [별 찍기 - 7](https://www.acmicpc.net/problem/2444) | [정답 코드](../0x02/solutions/2444.cpp) |
 | 2445 | [별 찍기 - 8](https://www.acmicpc.net/problem/2445) | [정답 코드](../0x02/solutions/2445.cpp) |
-| 2446 | [별 찍기 - 9](https://www.acmicpc.net/problem/2446) | - |
+| 2446 | [별 찍기 - 9](https://www.acmicpc.net/problem/2446) | [정답 코드](../0x02/solutions/2446.cpp) |