You need to implement immutable dictionaries using only functions without any other data types (custom or built-in). The dictionary must be indexed by any data type of class Eq and contain values of ...
In the fewest bytes, generate the dictionary of keypresses for any letter (as described in https://code.google.com/codejam/contest/351101/dashboard#s=p2) In Python, the dictionary literal itself: ...
The task is to build a numerical library for working with arbitrarily large integers that supports the following operations: addition subtraction multiplication division modulo operation However, ...
I have been asked this question in an interview. In 1 million and 1 numbers, all the numbers having the duplicate except only one number. How to find that one number ? I got an idea to use EXOR gate ...
Create a data structure to represent an array. It must implement those function in O(1) get(index); // return the data at @index update(index, value); // update the data at @index to ...
Challenge Write the shortest program that implements the minimum requirements for a linked list, stack and queue. Minimum requirements Functions that allow the user to add and remove elements from ...
You are given an array of strings , you have to construct a single array containing all of them so that the same array of strings can be reconstructed from the large array. The strings may contain any ...
This is a nice exercise for becoming more fluent in that programming language you've been meaning to learn, but have only tinkered with lightly. This involves working with objects, using or ...
Write the shortest program to build a cdb database, using the following syntax for input: +klen,dlen:key->data followed by a newline. Example: +3,5:one->Hello +3,7:two->Goodbye (Unlike ...