diff --git a/cmake-build-debug/.ninja_deps b/cmake-build-debug/.ninja_deps
index 8e1f8d2..0985547 100644
Binary files a/cmake-build-debug/.ninja_deps and b/cmake-build-debug/.ninja_deps differ
diff --git a/cmake-build-debug/.ninja_log b/cmake-build-debug/.ninja_log
index de05a25..b1c1db1 100644
--- a/cmake-build-debug/.ninja_log
+++ b/cmake-build-debug/.ninja_log
@@ -36,3 +36,7 @@
 36	54	1740479692458981700	Exercices	1155f81bcff01d1c
 1	18	1740479711386092684	CMakeFiles/Exercices.dir/main.c.o	51f95a9f148558b3
 18	27	1740479711403092783	Exercices	1155f81bcff01d1c
+1	19	1740480102442397377	CMakeFiles/Exercices.dir/main.c.o	51f95a9f148558b3
+19	28	1740480102460397489	Exercices	1155f81bcff01d1c
+1	23	1740480578174359905	CMakeFiles/Exercices.dir/main.c.o	51f95a9f148558b3
+23	39	1740480578196360042	Exercices	1155f81bcff01d1c
diff --git a/cmake-build-debug/CMakeFiles/Exercices.dir/main.c.o b/cmake-build-debug/CMakeFiles/Exercices.dir/main.c.o
index 86c9ae6..98722e1 100644
Binary files a/cmake-build-debug/CMakeFiles/Exercices.dir/main.c.o and b/cmake-build-debug/CMakeFiles/Exercices.dir/main.c.o differ
diff --git a/cmake-build-debug/Exercices b/cmake-build-debug/Exercices
index 2d82485..1d84e5d 100755
Binary files a/cmake-build-debug/Exercices and b/cmake-build-debug/Exercices differ
diff --git a/cmake-build-debug/Testing/Temporary/LastTest.log b/cmake-build-debug/Testing/Temporary/LastTest.log
index 22e23c2..5137169 100644
--- a/cmake-build-debug/Testing/Temporary/LastTest.log
+++ b/cmake-build-debug/Testing/Temporary/LastTest.log
@@ -1,3 +1,3 @@
-Start testing: Feb 25 11:35 CET
+Start testing: Feb 25 11:49 CET
 ----------------------------------------------------------
-End testing: Feb 25 11:35 CET
+End testing: Feb 25 11:49 CET
diff --git a/main.c b/main.c
index f502975..5aa6ec5 100644
--- a/main.c
+++ b/main.c
@@ -3,7 +3,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
-#include<unistd.h>
 
 // Variables
 const int size=8;
@@ -146,6 +145,14 @@ void hiddennumber() {
         printf("Until next time ! \n");
     }
 }
+
+void xmastree() {
+    int selection;
+    printf("Tree height ?: ");
+    scanf("%d",&selection);
+    for (int i=0; ; i++) {}
+
+}
 int main(void) {
     int* tab=alloc_tab();
     int tab2[4]={1,2,3,4};