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What is the average time complexity for searching an element in a hash table?
Practice Questions
Q1
What is the average time complexity for searching an element in a hash table?
O(n)
O(log n)
O(1)
O(n^2)
Questions & Step-by-Step Solutions
What is the average time complexity for searching an element in a hash table?
Steps
Concepts
Step 1: Understand what a hash table is. A hash table is a data structure that stores data in a way that allows for fast access.
Step 2: Learn about the hash function. A hash function takes an input (like a key) and converts it into a specific index in the hash table.
Step 3: Know that when you want to find an element, the hash function helps you go directly to the index where that element is stored.
Step 4: Realize that this direct access means you don't have to look through all the elements, which makes searching very fast.
Step 5: Conclude that, on average, searching for an element in a hash table takes constant time, which is represented as O(1).
No concepts available.
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