diff --git a/Algo/Séminaire/Exercices seminaire.md b/Algo/Séminaire/Exercices seminaire.md
index c383f36..06bfcc8 100644
--- a/Algo/Séminaire/Exercices seminaire.md	
+++ b/Algo/Séminaire/Exercices seminaire.md	
@@ -243,3 +243,6 @@ let or3-simple = function
 val or3-simple: bool*bool*bool -> bool = <fun>
 ```
 
+### Exercise 3.10 
+```Ocaml
+let time_difference (d1, md1, sd1, pos1) (d2, md2, sd2, pos2)
\ No newline at end of file