diff --git a/.hash b/.hash
index 8d86ca5..c6d84e4 100644
--- a/.hash
+++ b/.hash
@@ -1,6 +1,6 @@
 ainotes.cls,4b2f613
 cognition-and-neuroscience,409ab70
-combinatorial-decision-making-and-optimization,80deb12
+combinatorial-decision-making-and-optimization,173e4db
 deep-learning,44fbc43
 fundamentals-of-ai-and-kr/module1,1677e27
 fundamentals-of-ai-and-kr/module2,9622aab
diff --git a/combinatorial-decision-making-and-optimization/cdmo.pdf b/combinatorial-decision-making-and-optimization/cdmo.pdf
index 9cb65b9..d43b0b3 100644
Binary files a/combinatorial-decision-making-and-optimization/cdmo.pdf and b/combinatorial-decision-making-and-optimization/cdmo.pdf differ