refresh

du4/train.c

@@ -29,7 +29,23 @@ struct car* add_car (struct car* first, const char* target) {
 }
 
 void print_train (struct car* first) {
-
+    if (first == NULL) {
+        printf("vlak je prazdny!");
+        return;
+    }
+    
+    struct car* actual = first;
+    int schet = 1;
+    
+    while (actual !=NULL) {
+        printf("%d. [%s]", poradie, aktualny->value);
+        if (aktualny->next != NULL) {
+            printf("->");
+        }
+        aktualny = aktualny->next;
+        schet++;
+    }
+    printf("\n");
 }
 
 void cancel_train (struct car* first) {