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Tag Archives: encoding-decoding

Given encrypted string str consisting of alphabets and numeric characters, the task is to decrypt the string and find the encrypted message. In order to decrypt… Read More
Given a decoded string str which was decoded with the following encoding algorithm: Write down the middle character of the string then delete it and repeat… Read More
Given a string, the task is to encrypt this string using ! and @ symbols, alternatively. While encrypting the message the encrypted format must repeat… Read More
Given an encoded Linked List which is encoded using the Run Length Encoding algorithm. The task is to decode the given linked list and generate… Read More
Given an encoded string where repetitions of substrings are represented as substring followed by count of substrings. For example, if encrypted string is “ab2cd2” and… Read More
Base 64 is an encoding scheme that converts binary data into text format so that encoded textual data can be easily transported over network un-corrupted… Read More
Given a Linked List as the input. The task is to encode the given linked list using Run Length Encoding. That is, to replace a… Read More
Given an encrypted string str and the encryption algorithm, the task is to decrypt the string. The encryption algorithm is as follows: The 1st character of… Read More
Given a string S containing letter and digit and an integer K where, and . The task is to return the K-th letter of the new string… Read More
Chain code is a lossless compression technique used for representing an object in images. The co-ordinates of any continuous boundary of an object can be… Read More
Prerequisite : Basics of TkinterPython offers multiple options for developing GUI (Graphical User Interface). Out of all the GUI methods, tkinter is most commonly used… Read More
Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a… Read More
A Polybius Square is a table that allows someone to convert letters into numbers. To make the encryption little harder, this table can be randomized… Read More
Encryption, Encoding, and Hashing are kind of similar terms and are often confused with each other. So let’s discuss each term and how they are… Read More
Given a string s and a positive integer k. You need to encrypt the given string such that each substring of size k is represented… Read More