Podcast
Questions and Answers
What is the primary goal of a well-designed hash function?
What is the primary goal of a well-designed hash function?
- To minimize the number of collisions
- To distribute items uniformly throughout the table (correct)
- To maximize the number of collisions
- To sort items in a specific order
What is the purpose of increasing the table capacity in a hash table implementation?
What is the purpose of increasing the table capacity in a hash table implementation?
- To make the hash table more efficient
- To increase the number of collisions
- To reduce collisions (correct)
- To make the hash table more complex
In the division method of hash function design, what type of number is a good choice for the value of m?
In the division method of hash function design, what type of number is a good choice for the value of m?
- A non-prime number close to an exact power of 2
- A non-prime number not close to an exact power of 2
- A prime number close to an exact power of 2
- A prime number not close to an exact power of 2 (correct)
What is the primary clustering problem in a hash table implementation?
What is the primary clustering problem in a hash table implementation?
What is the purpose of the multiplication method of hash function design?
What is the purpose of the multiplication method of hash function design?
What is the primary advantage of using universal hashing in hash function design?
What is the primary advantage of using universal hashing in hash function design?
What is the key idea behind hash tables?
What is the key idea behind hash tables?
What is the main disadvantage of direct-access tables?
What is the main disadvantage of direct-access tables?
What is the purpose of a hash function?
What is the purpose of a hash function?
What is the result of a many-to-one mapping in hash tables?
What is the result of a many-to-one mapping in hash tables?
What is the average time complexity of a hash table with perfect hashing?
What is the average time complexity of a hash table with perfect hashing?
What is the purpose of handling collisions in hash tables?
What is the purpose of handling collisions in hash tables?
What is the main advantage of hash tables over direct-access tables?
What is the main advantage of hash tables over direct-access tables?
What is the time complexity of direct-address-insert operation?
What is the time complexity of direct-address-insert operation?
What is the primary drawback of linear probing?
What is the primary drawback of linear probing?
What is the purpose of the second hash function in double hashing?
What is the purpose of the second hash function in double hashing?
What is the characteristic of the probe sequence in quadratic probing?
What is the characteristic of the probe sequence in quadratic probing?
What is the effect of secondary clustering on hash table performance?
What is the effect of secondary clustering on hash table performance?
What is the advantage of using double hashing over linear probing?
What is the advantage of using double hashing over linear probing?
What is the primary advantage of using quadratic probing over linear probing?
What is the primary advantage of using quadratic probing over linear probing?
What is the purpose of the load factor in chained hashing?
What is the purpose of the load factor in chained hashing?
What is the characteristic of the probe sequence in open-addressing schemes?
What is the characteristic of the probe sequence in open-addressing schemes?
