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encoding-decoding

34 posts

Character Encoding Detection With Chardet in Python

Last Updated: 23 July 2025

We are given some characters in the form of text files, unknown encoded text, and website content and our task is to detect the character encoding with Chardet in Python. ...read more

Python Programs

encoding-decoding

Base64 Java Encode and Decode a String

Last Updated: 23 July 2025

Base64 encoding allows encoding binary data as text strings for safe transport, at the cost of larger data size. It is commonly used when there is a need to encode binary ...read more

encoding-decoding

Compressed String decoding for Kth character

Last Updated: 23 July 2025

Given a compressed string composed of lowercase characters and numbers, the task is to decode the compressed string and to find out the character located at the Kth positi...read more

Algorithms-Recursion

encoding-decoding

Text File Compression And Decompression Using Huffman Coding

Last Updated: 23 July 2025

Text files can be compressed to make them smaller and faster to send, and unzipping files on devices has a low overhead. The process of encoding involves changing the repr...read more

article_image

encoding-decoding

Encrypt given Array in single digit using inverted Pascal Triangle

Last Updated: 23 July 2025

Given an array arr[] of length N (N 1)containing positive integers, the task is to encrypt the numbers of the array into a single digit using the inverted Pascal triangle...read more

article_image

encoding-decoding

Check if String S can be compressed to T by replacing some X characters with count X

Last Updated: 23 July 2025

Given two strings, S and T where S is a normal string and T is a compressed string, the task is to determine if the compressed string T can be achieved by compressing the ...read more

Geeks Premier League

Geeks-Premier-League-2022

encoding-decoding

Encode Strings in form of "xAyB" where x and y and based on count of digits

Last Updated: 13 July 2023

Given two numeric string N and M, the task is to encode the given strings in the form "xAyB", where:x is the count of digits that are same in N and M and are present on sa...read more

encoding-decoding

Reconstruct original string from resultant string based on given encoding technique

Last Updated: 27 January 2022

A binary string S of length N is constructed from a string P of N characters and an integer X. The choice of the ith character of S is as follows:If the character Pi-X exi...read more

encoding-decoding

Encoding a sentence into Pig Latin

Last Updated: 24 August 2022

Design a program to take a sentence as an input, and then encode it into Pig Latin.A Pig Latin is an encrypted word in English, generated by placing the first letter of ea...read more

encoding-decoding

Find the string among given strings represented using given encryption pattern

Last Updated: 23 July 2025

Given an array of strings arr[] of size N and an encrypted string str, the task is to find the correct string from the given array of strings whose encryption will give st...read more

encoding-decoding

Encode given string by shifting each character forward with its alphabetical value

Last Updated: 27 June 2023

Given string str of size N consisting of lowercase English alphabets, the task is to encode the given string as follows:change every character of that string to another ch...read more

encoding-decoding

Encode given String by inserting in Matrix column-wise and printing it row-wise

Last Updated: 02 August 2022

Given a string S and an integer R, the task is to encode the string by first filling each character in column wise manner from top to bottom in a matrix having R rows and ...read more

encoding-decoding

Encode given string by replacing substrings with prefix same as itself with *

Last Updated: 29 December 2021

Given string str of size N containing only lowercase English letters. The task is to encrypt the string such that the substrings having same prefix as itself are replaced ...read more

encoding-decoding

Decrypt message from given code by replacing all * with prefix values of encoded string

Last Updated: 23 July 2025

Given a string str of length of N that is in the encoded form with alphabets and * . The task is to find the string from which it was generated. The required string can be...read more

encoding-decoding

Decrypt the encoded string with help of Matrix as per given encryption decryption technique

Last Updated: 14 March 2022

Given an encoded (or encrypted) string S of length N, an integer M. The task is to decrypt the encrypted string and print it. The encryption and decryption techniques are ...read more

article_image

encoding-decoding