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- Suppose user typed a random string of length n (1<=n<=50) in the password field but is not sureif it was strong. Given the string typed, find the minimum number and type of characters thatuser must add to make the password strong? (Using C)Dont reject it, please.Substitution ciphers are encryption/decryption algorithms that replace one letter or number with another. The first attested use of a substitution cipher in military affairs was by Julius Caesar, described by him in Gallic Wars (cf. Kahn pp83-84). In caesar cipher , you replace each letter by 3rd letter on. If it is out of bound (later than Z), then round to the head (letter A) and continue the shift. For example:meet me after the toga party PHHW PH DIWHU WKH WRJD SDUWB Please write a program in Java to implement the Caesar Cipher: a. Implement the encryption algorithm. Ask the user to input one all lower case normal sentence (called plaintext) using the nextLine method, and then output the encrypted text (called ciphertext). b. Implement the decryption algorithm. Ask the user to input one encrypted sentence (i.e. ciphertext) using the nextLine method, and then output the decrypted text (i.e. plaintext).
- Show the string that would result from each of the following string formatting operations. If the operation is not legal, explain why.171a) "Looks like {1} and {0} for breakfast " . format ("eggs" , "spam")b) "There is {0} {1} {2} {3}" . format (! , " spam" , 4, "you" )c) "Hello {0}" . format ("Susan" , "Computewell")d) " {0:0.2f} {0 :0.2f}" . format (2 . 3, 2 . 3468)e) " {7 . 5f} {7 . 5f}" . format (2 . 3, 2 . 3468)f) "Time left {0 : 02}:{1 : 05.2f}" . format ( 1 , 37 . 374)g) " {1:3}" . format("14")My code here is in Python and the goal is to create a BankApp where the user is suppose to enter their username and password and its suppose to show the balance but I forgot to add the information that is suppose to be implemented in my code as shown below. userName passWord Balance========================Mike sorat1237# 350Jane para432@4 400Steve asora8731% 500 Its also suppose to do down the following. Type D to deposit moneyType W to withdraw moneyType B to display BalanceType C to change user, display user nameType A to add new clientType E to exit My Code def read_user_information(): usernames = [] passwords = [] balances = [] try: with open("UserInformation.txt", "r") as file: lines = file.readlines() for line in lines[2:]: data = line.strip().split() usernames.append(data[0]) passwords.append(data[1])…a. Develop a Caesar cipher-type encryption algorithm with a little more complexity in it. For example, the algorithm could alternatively shift the cleartext letters positive and negative by the amount of the key value. Variations on this are limitless. b. Select a single-digit key. c. Code a short message using the algorithm and key. d. Give your instructor the algorithm, key, cleartext, and ciphertext. e. Optional: Your instructor will randomly redistribute to the class the ciphertext messages completed in part d above. You are to decode the message you receive as an additional assignment.
- A spy is undercover in the hostile country of Phonemia. In order not to waste scarce resources, every time he wants to send a message home, he removes all punctuation marks from the message and converts all letters to uppercase. So, for example, to send the message, “Abort the plan! See you in the Dark Cabin.” he would transmit "ABORTTHEPLANSEEYOUINTHEDARKCABIN” Given such a string, S, of n capital letters. Seeks to reconstruct the document using a dictionary, which is available in the form of a boolean function dict(w), where dict(w) is true if the string w is a valid word in the language. Give an algorithm O(n^2) that determines whether the string S can be reconstituted as a sequence of valid words, assuming calls to dict(w) take O(1) of time. To solve the problem consider: • Indicate the subproblems • Define the recurrence • Propose a pseudocode • Perform a quick Big O analysis of the algorithmMutiple Answers Which of the following matches regexp /(very )+(fat )?(tall|ugly) man/a) very fat manb) fat tall manc) very very fat ugly mand) very very very tall man Please Answer With Detailed Explanation!What is the value of the following expressions (or ERROR)?1. __________ s.length()2. __________ t.length()3. __________ 1 + a4. __________ a.toUpperCase()5. __________ "Tomorrow".indexOf("r")6. __________ "Tomorrow".lastIndexOf('o')7. __________ "Tomorrow".substring(2,4)8. __________ (a.length() + a).startsWith("a")9. __________ s = = a10. __________ a.substring(1,3).equals("bc")
- You have a fence post located at the point (x,y) where a goat is tethered by a rope. You also have a house, which is a rectangle with diagonally opposite corners at the points bottom-left: (x1,y1) and top-right: (x2,y2). You want to pick a length of rope that guarantees the goat cannot reach the house. Determine the minimum distance from the fence post to the house, so that you can make sure to use a shorter rope. Recall that the distance formula is: sqrt( (x2−x1)^2+(y2−y1)^2 ) The input consists of a single line containing six space-separated integer values: x, y, x1, y1, x2, and y2. You are guaranteed that x1<x2 and y1<y2, and that (x,y) is strictly outside the axis-aligned rectangle with corners at (x1,y1) and (x2,y2). Return the minimum distance from the goat’s post to the house as a floating-point value from main(). Learning Objectives Be able to create a program with a lesser template. Be able to calculate the min/max of integers. Be able to write a mathematical…dont dont copy from existing sure compliat strict warnnngConsider you are given a very specialized string with a unique format as: Quiz_(no) # (q.no) : (question statement) $ (option1) , (option 2) , … * (right option number) … \n String starts with Quiz_ (quiz number like 1, 2, … ), then hash #, then question number (like qno_1, qno_2 …), then colon :, then question statement, then dollar $, then options (like option1, option 2 …), then asterisk *, and then right option for the given question statement. If more questions are there for the same quiz, then pattern after hash # is repeated (means every question is separated by # symbole). Each quiz ends with new line (\n), and then new quiz starts with same pattern as before. A sample pattern is given below. You are required to create a program in JAVA, in such a way that if your program receives any string with this pattern (or format) it should provide output as given below. (Hint: Use split, trim method to do the job) String starts with Quiz_ (quiz number like 1, 2, … ), then hash #, then…