How do you implement a hash table with collision resolution?

🔢 Data Structures And Algorithm• 9/21/2025
Implementation of hash tables with different collision resolution techniques like chaining and open addressing.

Hash Table Implementation with Collision Resolution

Collision Resolution Methods

1. Separate Chaining

  • Uses linked lists or arrays at each bucket
  • Simple to implement
  • Handles high load factors well

2. Open Addressing (Linear Probing)

  • Stores all elements in the hash table itself
  • When collision occurs, probe for next empty slot
  • Better cache performance

Time Complexities

  • Average Case: O(1) for search, insert, delete
  • Worst Case: O(n) when all keys hash to same bucket
By: System Admin