2026-rff_mp/ZelentsovAV/task1/hashtable.py
2026-05-24 20:18:54 +03:00

29 lines
867 B
Python

from linkedlist import ll_insert, ll_find, ll_delete, ll_list_all
def hash_function(name, size):
return sum(ord(c) for c in name) % size
def ht_create(size):
return [None] * size
def ht_insert(buckets, name, phone):
index = hash_function(name, len(buckets))
buckets[index] = ll_insert(buckets[index], name, phone)
def ht_find(buckets, name):
index = hash_function(name, len(buckets))
return ll_find(buckets[index], name)
def ht_delete(buckets, name):
index = hash_function(name, len(buckets))
buckets[index] = ll_delete(buckets[index], name)
def ht_list_all(buckets):
records = []
for bucket in buckets:
current = bucket
while current is not None:
records.append((current['name'], current['phone']))
current = current['next']
records.sort(key=lambda x: x[0])
return records