diff --git a/day2/puzzle2/main.c b/day2/puzzle2/main.c
index f85c999..b665138 100644
--- a/day2/puzzle2/main.c
+++ b/day2/puzzle2/main.c
@@ -4,6 +4,7 @@
 #include <fcntl.h>
 #include <ctype.h>
 #include <string.h>
+#include <time.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 
@@ -121,6 +122,7 @@ int get_id(char *ptr)
 
 int main()
 {
+    clock_t begin = clock();
     struct Games games;
     games.iterator = 0;
     int MAX_RED = 12;
@@ -216,6 +218,8 @@ int main()
         printf("Unmapping failed");
         return 1;
     }
-
+    clock_t end = clock();
+    double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
+    printf("%f", time_spent);
     return 0;
 }