From 31432ec6b39b6f810d54e4b6a6b15e8798fb7ed8 Mon Sep 17 00:00:00 2001
From: Maryna Kravtsova <mk757ye@omega.tuke.sk>
Date: Wed, 4 Nov 2020 13:08:34 +0100
Subject: [PATCH] clear

---
 cv5/a_train.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cv5/a_train.c b/cv5/a_train.c
index be8f372..0ec470b 100644
--- a/cv5/a_train.c
+++ b/cv5/a_train.c
@@ -68,7 +68,8 @@ struct car* clear_train(struct car* first, const char* target) {
             if(x == 0){ 
                 struct car* third = prev->next->next;
                 free(prev->next);
-                prev->next = third; 
+                prev->next = third;
+                third->next = NULL; 
                 return first;
             }
             prev = prev->next;
@@ -80,5 +81,6 @@ struct car* clear_train(struct car* first, const char* target) {
             return first;
  
         }
+    return first;
 
 }