C Program To Implement Dictionary Using Hashing Algorithms May 2026

// Search for keys printf("\nSearching for keys:\n"); int found; int value = search(dict, "banana", &found); if (found) printf("banana -> %d\n", value); else printf("banana not found\n");

// Cleanup destroy_hash_table(dict);

// Double the size (use next prime for better distribution) int new_size = next_prime(old_size * 2); table->size = new_size; table->count = 0; table->buckets = (KeyValuePair**)calloc(new_size, sizeof(KeyValuePair*)); c program to implement dictionary using hashing algorithms

printf("=== Dictionary Implementation using Hashing in C ===\n\n"); // Search for keys printf("\nSearching for keys:\n"); int

while (current) if (strcmp(current->key, key) == 0) // Found the node to delete if (prev) prev->next = current->next; else table->buckets[index] = current->next; free(current->key); free(current); table->count--; return 1; // Success prev = current; current = current->next; int value = search(dict

printf("==========================================\n"); // Free all memory used by the hash table void destroy_hash_table(HashTable *table) if (!table) return; for (int i = 0; i < table->size; i++) KeyValuePair *current = table->buckets[i]; while (current) KeyValuePair *temp = current; current = current->next; free(temp->key); free(temp);

value = search(dict, "kiwi", &found); if (found) printf("kiwi -> %d\n", value); else printf("kiwi not found\n");

// Search for keys printf("\nSearching for keys:\n"); int found; int value = search(dict, "banana", &found); if (found) printf("banana -> %d\n", value); else printf("banana not found\n");

// Cleanup destroy_hash_table(dict);

// Double the size (use next prime for better distribution) int new_size = next_prime(old_size * 2); table->size = new_size; table->count = 0; table->buckets = (KeyValuePair**)calloc(new_size, sizeof(KeyValuePair*));

printf("=== Dictionary Implementation using Hashing in C ===\n\n");

while (current) if (strcmp(current->key, key) == 0) // Found the node to delete if (prev) prev->next = current->next; else table->buckets[index] = current->next; free(current->key); free(current); table->count--; return 1; // Success prev = current; current = current->next;

printf("==========================================\n"); // Free all memory used by the hash table void destroy_hash_table(HashTable *table) if (!table) return; for (int i = 0; i < table->size; i++) KeyValuePair *current = table->buckets[i]; while (current) KeyValuePair *temp = current; current = current->next; free(temp->key); free(temp);

value = search(dict, "kiwi", &found); if (found) printf("kiwi -> %d\n", value); else printf("kiwi not found\n");