diff --git a/wkdghdwns199/README.md b/wkdghdwns199/README.md
index c43756e..6886a04 100644
--- a/wkdghdwns199/README.md
+++ b/wkdghdwns199/README.md
@@ -11,4 +11,5 @@
 | 7차시 | 2024.02.20 |  스택,큐,덱 |  <a href="https://www.acmicpc.net/problem/24511">queuestack</a>  | <a href="">2024.02.20</a> |
 | 8차시 | 2024.02.23 |  스택, 큐, 덱 |  <a href="https://www.acmicpc.net/problem/12789">도키도키 간식드리미</a>  | <a href="">2024.02.23</a> |
 | 9차시 | 2024.02.26 |  스택, 큐, 덱 |  <a href="https://www.acmicpc.net/problem/2346">풍선 터뜨리기</a>  | <a href="">2024.02.26</a> |
+| 11차시 | 2024.03.03 |  스택, 큐, 덱 |  <a href="https://www.acmicpc.net/problem/11866">요시푸스 문제 0</a>  | <a href="">2024.03.03</a> |