final3?

cv4/a_train.c

@@ -74,5 +74,10 @@ struct car* clear_train(struct car* first, const char* target) {
 			this = this->next;
 		}
 	}
+	if(strcmp(this->next->value,target) == 0{
+		free(this->next);
+		this->next=NULL;
+		return this;
+	} 
 	return first;
 }