import random

# Sv Spisok
ll_head = None

def ll_insert(name, phone):
    global ll_head
    cur = ll_head
    while cur is not None:
        if cur['name'] == name:
            cur['phone'] = phone
            return
        cur = cur['next']
    new_node = {'name': name, 'phone': phone, 'next': ll_head}
    ll_head = new_node

def ll_find(name):
    cur = ll_head
    while cur is not None:
        if cur['name'] == name:
            return cur['phone']
        cur = cur['next']
    return None

def ll_delete(name):
    global ll_head
    if ll_head is None:
        return
    if ll_head['name'] == name:
        ll_head = ll_head['next']
        return
    prev = ll_head
    cur = ll_head['next']
    while cur is not None:
        if cur['name'] == name:
            prev['next'] = cur['next']
            return
        prev = cur
        cur = cur['next']

def ll_list_all():
    records = []
    cur = ll_head
    while cur is not None:
        records.append((cur['name'], cur['phone']))
        cur = cur['next']
    records.sort(key=lambda x: x[0])
    return records



# HESH
BUCKET_COUNT = 10
buckets = [None] * BUCKET_COUNT

def hash_func(name):
    s = 0
    for ch in name:
        s += ord(ch)
    return s % BUCKET_COUNT

def ht_insert(name, phone):
    global buckets
    idx = hash_func(name)
    cur = buckets[idx]
    while cur is not None:
        if cur['name'] == name:
            cur['phone'] = phone
            return
        cur = cur['next']
    new_node = {'name': name, 'phone': phone, 'next': buckets[idx]}
    buckets[idx] = new_node

def ht_find(name):
    idx = hash_func(name)
    cur = buckets[idx]
    while cur is not None:
        if cur['name'] == name:
            return cur['phone']
        cur = cur['next']
    return None

def ht_delete(name):
    global buckets
    idx = hash_func(name)
    head = buckets[idx]
    if head is None:
        return
    if head['name'] == name:
        buckets[idx] = head['next']
        return
    prev = head
    cur = head['next']
    while cur is not None:
        if cur['name'] == name:
            prev['next'] = cur['next']
            return
        prev = cur
        cur = cur['next']

def ht_list_all():
    all_records = []
    for head in buckets:
        cur = head
        while cur is not None:
            all_records.append((cur['name'], cur['phone']))
            cur = cur['next']
    all_records.sort(key=lambda x: x[0])
    return all_records


#Test
if __name__ == '__main__':
    print("=== Тест связного списка ===")
    ll_insert("Kiril", "123-456")
    ll_insert("Pavel", "789-012")
    ll_insert("Alina", "345-678")
    ll_insert("Kolia", "111-222")  # обновление
    print("Все записи (список):", ll_list_all())
    print("Поиск Kiril:", ll_find("Kiril"))
    ll_delete("Pavel")
    print("После удаления Pavel:", ll_list_all())

    print("\n=== Тест хеш-таблицы ===")
    ht_insert("Kiril", "123-456")
    ht_insert("Pavel", "789-012")
    ht_insert("Alina", "345-678")
    ht_insert("Kolia", "111-222")
    print("Все записи (хеш):", ht_list_all())
    print("Поиск Anna:", ht_find("Kiril"))
    ht_delete("Kolia")
    print("После удаления Kolia:", ht_list_all())