From e6d94ab4d9259f6313cd84a33875bfc1db1e763a Mon Sep 17 00:00:00 2001
From: VIliam <viliam.dzubara@student.tuke.sk>
Date: Thu, 24 Oct 2024 19:26:06 +0200
Subject: [PATCH] 15

---
 cv4/a_train.c | 35 +++++++++++++++++++++++++++++++----
 1 file changed, 31 insertions(+), 4 deletions(-)

diff --git a/cv4/a_train.c b/cv4/a_train.c
index e2e03f5..3d7d3de 100644
--- a/cv4/a_train.c
+++ b/cv4/a_train.c
@@ -39,11 +39,38 @@ void print_train(struct car* first) {
 }
 
 void cancel_train(struct car* first) {
-    
+    struct car* temp;
+    while (first != NULL) {
+        temp = first;
+        first = first->next;
+        free(temp);
+    }
+    printf("Vsetky vozne boli zrusene.\n");
 }
 
-
 struct car* clear_train(struct car* first, const char* target) {
-	return NULL;
+    struct car* current = first;
+    struct car* previous = NULL;
+    
+    while (current != NULL) {
+        // Porovnanie hodnoty cielovej stanice
+        if (strcmp(current->value, target) == 0) {
+            // Ak sa cielova stanica zhoduje, odstráni vozeň
+            if (previous == NULL) {
+                // Ak je to prvý vozeň
+                first = current->next;
+            } else {
+                previous->next = current->next;
+            }
+            struct car* temp = current;
+            current = current->next;
+            free(temp);
+        } else {
+            // Ak sa nezhoduje, prejde na nasledujúci vozeň
+            previous = current;
+            current = current->next;
+        }
+    }
+    
+    return first;
 }
-