C Program To Implement Dictionary Using Hashing Algorithms |link| -

Hashing transforms a "key" (like a word) into an integer index. This index tells us exactly where to store the corresponding "value" (the definition) in an array. Takes a string and returns an integer.

Always use free() on your nodes and strings to prevent memory leaks in long-running programs.

Maps that large integer into the range of our array size (using the modulo operator % ). c program to implement dictionary using hashing algorithms

typedef struct Node { char *key; char *value; struct Node *next; } Node; Use code with caution. 2. The Hash Table The table itself is an array of pointers to these nodes.

Dictionaries built with hashing can handle millions of entries while maintaining high performance. Hashing transforms a "key" (like a word) into

In a well-designed hash table, search, insertion, and deletion take O(1) time on average.

Here is the complete C program. We use a simple but effective hashing algorithm called to minimize collisions. Always use free() on your nodes and strings

Simple "sum of ASCII" functions lead to many collisions. Algorithms like djb2 or MurmurHash are much better for real-world data.

Since different keys can produce the same index, we must handle "collisions." In this guide, we will use Chaining (linked lists at each index). The Components 1. The Node Structure

#define TABLE_SIZE 100 typedef struct { Node *buckets[TABLE_SIZE]; } HashTable; Use code with caution. The Implementation