37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
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import linked_list as ll
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def ht_create(size=100):
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return [None] * size
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def ht_get_hash(buckets, name):
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return hash(name) % len(buckets)
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def ht_insert(buckets, name, phone):
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idx = ht_get_hash(buckets, name)
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buckets[idx] = ll.ll_insert(buckets[idx], name, phone)
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def ht_find(buckets, name):
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idx = ht_get_hash(buckets, name)
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return ll.ll_find(buckets[idx], name)
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def ht_delete(buckets, name):
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idx = ht_get_hash(buckets, name)
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buckets[idx] = ll.ll_delete(buckets[idx], name)
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def ht_list_all(buckets):
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all_entries = []
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for bucket in buckets:
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if bucket != None:
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current = bucket
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while current != None:
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all_entries.append((current['name'], current['phone']))
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current = current['next']
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for i in range(len(all_entries)):
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for j in range(i + 1, len(all_entries)):
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if all_entries[i][0] > all_entries[j][0]:
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temp = all_entries[i]
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all_entries[i] = all_entries[j]
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all_entries[j] = temp
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return all_entries
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