English

Use the hash function: h(element) = element%11 to store the collection of numbers: [44, 121, 55, 33, 110, 77, 22, 66] in a hash table. Display the hash table created. Search if the values

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Question

Use the hash function: h(element) = element%11 to store the collection of numbers: [44, 121, 55, 33, 110, 77, 22, 66] in a hash table. Display the hash table created. Search if the values 11, 44, 88, and 121 are present in the hash table, and display the search results.

Answer in Brief
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Solution

def hashFind(key,hashTable):
 if (hashTable[key % 11] == key): 
  return ((key % 11)) 
 else:
  return None
hashTable=[None, None, None, None, None, None, None, None, None, None]
print("We have created a hashTable of 10 positions:")
print(hashTable)
L = [44, 121, 55,33, 110, 77, 22, 66]
print("The given list is", L[::] )
for i in range(0,len(L)): 
 hashTable[L[i]%10] = L[i]
 print("The hash table contents are: " )
 for i in range(0,len(hashTable)): 
  print("hashindex=", i," , value =", hashTable[i])
key = int(input("Enter the number to be searched:")) 
position = hashFind(key,hashTable)
if the position is None:
 print("Number", key, "is not present in the hash table")
else:
print("Number ",key," present at ",position, " position")

11, and 88 are not present but 44 and 121 are present at index 4 and 1 respectively.

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Search by Hashing in Python
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Chapter 6: Searching - Exercise [Page 96]

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NCERT Computer Science [English] Class 12
Chapter 6 Searching
Exercise | Q 8. | Page 96
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