Dictionary using c program

Value ;. Try it. Example: Access Dictionary Elements. ElementAt i. Key, cities. Example: Update Dictionary Elements. Example: Remove Dictionary Elements. We can always put these statements in the loop or take values from the user input, which would better match a real-world application scenario. Another solution to create a new map object is to use a copy constructor, which takes another existing map variable as an argument and copies the key-value pairs to the newly initialized object.

Notice that this method does not move the existing map object and can be reused later during the program execution. The words in the dictionary are not in alphabetical order. Rather, they are randomly arranged. This is version 2 of a previous Dictionary. Tags C program using files file processing in C dictionary in C. Create a simple hash function and some linked lists of structures , depending on the hash , assign which linked list to insert the value in.

Use the hash for retrieving it as well. A hashtable is the traditional implementation of a simple "Dictionary". If you don't care about speed or size, just search for it. There are many freely available implementations. Here's the first one I saw -- at a glance, it looks OK to me. It's pretty basic. If you really want it to hold an unlimited amount of data, then you'll need to add some logic to "realloc" the table memory as it grows.

Hashing is the key. I think use lookup table and hashing key for this. You can find many hashing function online. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 11 years, 1 month ago. Active 1 month ago. Viewed k times. Improve this question. Neuron 4, 4 4 gold badges 27 27 silver badges 48 48 bronze badges. Rohit Rohit 6, 9 9 gold badges 43 43 silver badges 55 55 bronze badges.

If you miss having it provided for you, then why do you want to make it from scratch, instead of using a third-party implementation? Yes, that alternative always exists. I posed this question more as an exercise. Writing a hashtable in C is a fun exercise -- every serious C programmer should do it at least once.