You are going to apply that technique to an integer number of 5 digits. Create a .cpp file named encrypt.cpp. In this program, ask the user to enter a value for k. Then ask the user to enter a 5- digit integer. Encrypt the number using the digit alphabet "0123456789" and store it in another integer variable. Print the value of the encrypted integer. For example: If k is 3, then the number 25764 is encrypted as 58097. When you add 3 to each digit if it passes the value 9, apply a modulus 10 operation on it. Think of a similar solution when you decrypt. Then, create another file decrypt.cpp. Assume that k is already known. Ask the user to enter the k value and then a 5-digit integer. Then decrypt the value to the original.
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C++ Nothing too advanced please. Learning the basics
#include <iostream>
using namespace std;
int main()
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- Professor Potter, a punning pedantic, practices puzzling her students. She has left a secret message, of unknown length, encoded in a file for you to unravel. The setup is simple: each line of the file contains one char and one non-negative integer. The key to reading the message is organizing the characters in the proper order. The integer indicates the position of the character within the message. For example: e 2 b 1 a 3 h 5 c 4 spells 'beach' when unraveled. Write a program that will: Ask the user for the name of a file Check to see that the file exists and contains some data. Open and read this file exactly once Using your MessageDecoder class, unravel and display the message Offer to do it again on another file Required classes: You will create and submit 2 classes: MessageDecoder class: Responsible for converting a scrambled message file into plain text. Contains a public method getPlainTextMessage() that returns the String object. The scrambled file must be scanned only once…Using a text editor, create a file that contains a list of at least 15 six-digit account numbers. Read in each account number and display whether it is valid. An account number is valid only if the last digit is equal to the remainder when the sum of the first five digits is divided by 10. For example, the number 223355 is valid because the sum of the first five digits is 15, the remainder when 15 is divided by 10 is 5, and the last digit is 5. Write only valid account numbers to an output file, each on its own line.*Note that the contents of the file AcctNumsIn.txt will change when the test is run to test the program against different input. AcctNumsIn.txt 345619789400871208901156984334723422172257100000273699237485761200555500936716763542999995 import java.nio.file.*;import java.io.*;import java.nio.channels.FileChannel;import java.nio.ByteBuffer;import static java.nio.file.StandardOpenOption.*;public class ValidateCheckDigits {public static void main(String[] args) {Path…Using a text editor, create a file that contains a list of at least 15 six-digit account numbers. Read in each account number and display whether it is valid. An account number is valid only if the last digit is equal to the remainder when the sum of the first five digits is divided by 10. For example, the number 223355 is valid because the sum of the first five digits is 15, the remainder when 15 is divided by 10 is 5, and the last digit is 5. Write only valid account numbers to an output file, each on its own line.*Note that the contents of the file AcctNumsIn.txt will change when the test is run to test the program against different input. AcctNumsIn.txt345619789400871208901156984334723422172257100000273699237485761200555500936716763542999995 ValidateCheckDigits.javaimport java.nio.file.*;import java.io.*;import java.nio.channels.FileChannel;import java.nio.ByteBuffer;import static java.nio.file.StandardOpenOption.*;public class ValidateCheckDigits {public static void…
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- You are a cyber investigator, your task is to write a python program that can read file signatures from a file and save them into a list. Each file signature is an element of your list. Then, try to find out if there is a JPG file in there. If there is a JPG file, print out a True on screen. (File Signature for JPG file is: FF D8 FF DB) The input file is: FSCS360_Midterm_Exam_Part2.txtThe history teacher at your school needs help in grading a True/False test. The students’ IDs and test answers are stored in a file. The first entry in the file contains answers to the test in the form:TFFTFFTTTTFFTFTFTFTTEvery other entry in the file is the student ID, followed by a blank, followed by the student’s responses. For example, the entry:ABC54301 TFTFTFTT TFTFTFFTTFTindicates that the student ID is ABC54301 and the answer to question 1 is True, the answer to question 2 is False, and so on. This student did not answer question 9. The exam has 20 questions, and the class has more than 150 students. Each correct answer is awarded two points, each wrong answer gets one point deducted, and no answer gets zero points. Write a program that processes the test data. The output should be the student’s ID, followed by the answers, followed by the test score, followed by the test grade. Assume the following grade scale:90%–100%, A; 80%–89.99%, B; 70%–79.99%, C; 60%–69.99%, D; and…write a program that will open a file called “story.txt”and count the number of occurrences of each letter from the alphabet in this file.At the end your program will output the following report:Number of occurrences for the alphabets:a was used – times.b was used – times.c was used – times…. …and so, onAssume the file contains only lower-case letters and for simplicity just a singleparagraph. Your program should keep a counter associated with each letter of thealphabet (26 counters) [Hint: Use array]Your program should also print a histogram of characters count by addinga new function print Histogram (int counters []). This function receives thecounters from the previous task and instead of printing the number of times eachcharacter was used, prints a histogram of the counters. An example histogram forthree letters is shown below) [Hint: Use the extended asci character 254]:
- Write a program that prompts the user to enter afile name and displays the occurrences of each letter in the file. Letters are caseinsensitive. Here is a sample run:Enter a filename: Lincoln.txt ↵EnterNumber of As: 56Number of Bs: 134...Number of Zs: 9Write a script studhts that will first attempt to open the file 'studhts.dat' created in Q-3. If the file open is not successful, an error message should be printed. If it is successful, the script will read the data into strings, one line at a time. Print for each person the name in the form 'last, first followed by the height. Also, calculate and print the number of students having heights less than 160. Finally, print whether or not the file close was successful. For example, the result of running the script would look like this: Shukla, Anubhav 143.5 Jindal, Ram 156.9 Singh, Saurav Number of students having heights less than File closed successfully. 175Given two strings ransomNote and magazine, return true if ransomNote can be constructed by using the letters from magazine and false otherwise. Each letter in magazine can only be used once in ransomNote. your program reads from file lab2_note_input.txt, and outputs to lab2_encrypted.txt. You have to use both set and dict class. sample lab2_encrypted.txt Sample lab2_note_input.txt aa ba aa aba aac bcasa teer retire retire teer None [0,2] [2,4,1] [2,1,5,0] None Then your program reads from file lab2_codeBook_input.txt, and outputs to lab2_decrypted.txt. You have to use both set and dict class. Sample lab2_codeBook_input.txt sample lab2_decrypted.txt [0,2] aba [2,4,1] bcasa [2,1,5,0] retire [2,1,5,7] retire aa aac teer None