fix: added include

main.c

@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include "main.h"
 #include "minmax.h"
 
@@ -36,8 +37,8 @@ int main()
         printf("\npick a choice\n");
         printf("1 - max\n"
                "2 - min\n"
-               "3 - multiplication\n"
-               "4 - division\n"
+               "3 - nothing..\n"
+               "4 - here yet\n"
                "8 - quit\n"
                ">> ");
 
@@ -52,6 +53,10 @@ int main()
                 min = minimum();
                 printf("minumum je %d\n", min);
                 break;
+            case 3:
+                break;
+            case 4:
+                break;
             case 8:
                 lemmego();
                 return 9000;