diff --git a/YanyaevAA/[1].py b/YanyaevAA/[1].py
index a346706..79ee6ac 100644
--- a/YanyaevAA/[1].py
+++ b/YanyaevAA/[1].py
@@ -1,6 +1,3 @@
-def ll_create_node(name, phone):
-    return {'name': name, 'phone': phone, 'next': None}
-
 def ll_insert(head, name, phone):
     current = head
     while current:
@@ -8,7 +5,7 @@ def ll_insert(head, name, phone):
             current['phone'] = phone
             return head
         current = current['next']
-    new_node = ll_create_node(name, phone)
+    new_node = {'name': name, 'phone': phone, 'next': None}
     new_node['next'] = head
     return new_node
 
@@ -31,10 +28,105 @@ def ll_delete(head, name):
         current = current['next']
     return head
 
+def quick_sort(arr):
+    if len(arr) <= 1:
+        return arr
+    left = []
+    middle = []
+    right = []
+    pivot = arr[len(arr) // 2][0]
+    for x in arr:
+        if x[0]<pivot:
+            left.append(x)
+        elif x[0]==pivot:
+            middle.append(x)
+        else:
+            right.append(x)
+    return quick_sort(left) + middle + quick_sort(right)
+
 def ll_list_all(head):
-    items = []
+    data= []
     current = head
     while current:
-        items.append((current['name'], current['phone']))
+        data.append((current['name'], current['phone']))
         current = current['next']
-    return sorted(items)  # Сортировка O(N log N)
\ No newline at end of file
+    return quick_sort(data)
+
+#хэш-таблица
+def ht_insert(buckets, name, phone):
+    id=hash(name)%len(buckets)
+    buckets[id] = ll_insert(buckets[id], name, phone)
+
+def ht_find(buckets, name):
+    id= hash(name)%len(buckets)
+    return ll_find(buckets[id], name)
+
+def ht_delete(buckets, name):
+    id= hash(name)%len(buckets)
+    buckets[id] = ll_delete(buckets[id], name)
+
+def ht_list_all(buckets):
+    data = []
+    for head in buckets:
+        current = head
+        while current:
+            data.append((current['name'], current['phone']))
+            current = current['next']
+    return quick_sort(data)
+
+
+
+#Двоичное дерево поиска
+def bst_insert(root, name, phone):
+        if root is None:
+            return {'name': name, 'phone': phone, 'left': None, 'right': None}
+        if root['name'] == name:
+            root['phone'] = phone
+        elif name<root['name']:
+            root['left'] = bst_insert(root['left'], name, phone)
+        else:
+            root['right'] = bst_insert(root['right'], name, phone)
+        return root
+
+def bst_find(root, name):
+    if root is None:
+        return None
+    if root['name'] == name:
+        return root['phone']
+    elif name<root['name']:
+        return bst_find(root['left'], name)
+    else:
+        return bst_find(root['right'], name)
+
+def minimum(node):
+    current = node
+    while current['left'] is True:
+        current = current['left']
+    return current
+
+def bst_delete(root, name):
+    if root is None:
+        return None
+    if name < root['name']:
+        root['left'] = bst_delete(root['left'], name)
+    elif name > root['name']:
+        root['right'] = bst_delete(root['right'], name)
+    else:
+        if root['left'] is None:
+            return root['right']
+        elif root['right'] is None:
+            return root['left']
+        min=minimum(root['right'])
+        root['name']=min['name']
+        root['phone']=min['phone']
+        root['right']=bst_delete(root['right'], min['name'])
+    return root
+
+def bst_list_all(root):
+    result=[]
+    if root:
+        result.extend(bst_list_all(root['left']))
+        result.append((root['name'], root['phone']))
+        result.extend(bst_list_all(root['right']))
+    return result
+