diff --git a/src/teaching/cse-250/2022fa/index.erb b/src/teaching/cse-250/2022fa/index.erb
index 34214ccc..91a0a059 100644
--- a/src/teaching/cse-250/2022fa/index.erb
+++ b/src/teaching/cse-250/2022fa/index.erb
@@ -340,6 +340,10 @@ schedule:
     - date: 10/12/22
       topic: BFS, Shortest Path, Priority Queues
       dow: Wed
+      section_a:
+        slides: slide/lec19.pdf
+      section_b:
+        slides: slide/lec19.pdf
     - date: 10/14/22
       topic: Order Relations, Priority Queues
       dow: Fri
diff --git a/src/teaching/cse-250/2022fa/slide/lec19.pdf b/src/teaching/cse-250/2022fa/slide/lec19.pdf
new file mode 100644
index 00000000..5bb4bb97
Binary files /dev/null and b/src/teaching/cse-250/2022fa/slide/lec19.pdf differ