forked from UNN/2026-rff_mp
104 lines
2.2 KiB
Python
104 lines
2.2 KiB
Python
import random as rnd
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def ll_insert(head, name, phone):
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new_node = {'name': name, 'phone': phone, 'next': None}
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if head is None:
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return new_node
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current = head
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while current is not None:
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if current['name'] == name:
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current['phone'] = phone
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return head
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if current['next'] is None:
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break
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current = current['next']
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current['next'] = new_node
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return head
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def ll_find(head, name):
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current = head
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while current is not None:
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if current['name'] == name:
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return current['phone']
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current = current['next']
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return None
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def ll_delete(head, name):
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if head is None:
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return None
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if head['name'] == name:
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return head['next']
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current = head
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while current['next'] is not None:
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if current['next']['name'] == name:
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current['next'] = current['next']['next']
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return head
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current = current['next']
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return head
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def sort_records(lst):
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n = len(lst)
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for i in range(n):
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for j in range(0, n-i-1):
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if lst[j][0] > lst[j + 1][0]:
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lst[j], lst[j + 1] = lst[j + 1], lst[j]
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return lst
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def ll_list_all(head):
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record = []
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current = head
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while current is not None:
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record += [(current['name'], current['phone'])]
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current = current['next']
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res = sort_records(record)
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return res
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def def_hash(name, size):
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hash_value = 0
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for char in name:
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hash_value += ord(char)
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final_idx = hash_value % size
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return final_idx
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def ht_insert(buckets, name, phone):
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size = len(buckets)
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idx = def_hash(name, size)
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ll_insert(buckets[idx], name, phone)
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def ht_find(buckets, name):
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size = len(buckets)
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idx = def_hash(name, size)
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return ll_find(buckets[idx], name)
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def ht_delete(buckets, name):
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size = len(buckets)
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idx = def_hash(name, size)
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buckets[idx] = ll_delete(buckets[idx], name)
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def ht_list_all(buckets):
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res = []
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for head in buckets:
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current = head
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while current is not None:
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res += [(current['name'], current['phone'])]
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current = current['next']
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return sort_records(res) |