A certain computer password consists of 3 through 5 uppercase letters chosen from the 26 letters in the Roman alphabet, with repetitions allowed. a. How many different passwords can be formed? b) How many different passwords have no repeated letter? c) What is the value of p after exiting the nested loop? p:= 1 for i:= 1 to 3 for j:= 1 to 3 p:=p·i·j next j next i
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- Write a c program for a simple student record.Each record should contain the following information:● Surname – a string (surname of the student)● Sex – a character (M for male, F for female)● Year – an integer (year part of student number)● Snum – an integer (last five digits of the student number)● Department – a string (department the student is a part of)Your program should be able to allow the user to:● Add records● Display all records● Display all records filtered by sex/ year/ department● Display record(s) linked to a given snum (last five digits of a student number)Note: student number should be displayed following the format year - snumQ2: Secret Courses Dan's recently announced that he's teaching n top-secret courses next semester. Instead of enrolling in them through ACORN, students need to email Dan to express their interests. These courses are numbered from 1 to n in some arbitrary order. In particular, if a student named s is interested in taking a course c, they need to send an email to Dan containing the message c s. Note that if a student is interested in taking multiple courses, they need to send multiple emails, one per course. Upon receiving a message c s, Dan looks at the list of students already enrolled in course c. If there's already a student on the list whose name is too similar to s, Dan assumes s is the same student and ignores the message. Otherwise, he enrolls s in the course. Dan considers two names too similar if and only if they have the same length and differ in at most one letter (note that "a" and "A" are considered the same letter). For example, "Josh" and "Josh" are too similar. "Sam" and…Java OOP Write a complete address book maintenance application. The user of the program has four options: Add a new person, delete a person, modify the data of a person, and search for a person by giving the name. Use the AddressBook class, either the original one from the chapter or the modified one from the previous exercises. You have to decide how to allow the user to enter the values for a new person, display person information, and so forth.
- Javascript: A startup that builds a chat app wants to identify highly social users. All the chat data is in a large log file with three values on each line - the sender ID, receipient ID, and the number of messages. Given a threshold number, find the number of users that appear at least as many times as this threshold.For example:USERA USERB 14USERA USERC 94USERB USERB 3...Note: On the third line, a user sents a message to himself.Inputslogs = a list of lines where each line is a stringthreshold = a numberOutputReturn a list of sorted user IDs. If the same user appears in the same line, only count them once.please fix the following , when user log in with debit# and pin and choose 1 for deposit and you choose negative amount , it accept it, i need it to only accpet positive amount import tkinter as tkfrom datetime import datetime, timedeltaclass ATM: def __init__(self): self.accounts = {} def create_account(self): # Get user inputs first_name = first_name_entry.get() last_name = last_name_entry.get() dob = dob_entry.get() address = address_entry.get() debit_card = debit_card_entry.get() while len(debit_card) != 16 or not debit_card.isdigit(): debit_card = input("Invalid debit card number. Enter debit card number (16 digits): ") pin = pin_entry.get() while len(pin) != 4 or not pin.isdigit(): pin = input("Invalid pin. Enter 4-digit pin: ") # Create account and update GUI self.accounts[debit_card] = {"first_name": first_name, "last_name": last_name, "dob": dob,…Complete the following function according to its docstring. def check_password_exclusive(passwd: str) -> bool: """ An exclusive strong password has a length greater than or equal to 6, and contains ONLY letters and numbers. Return True if and only if passwd is considered an exclusive strong password. >>> check_password_exclusive('I<3csc108!') False >>> check_password_exclusive('time2sleep4me') True """
- def is_strong-password(passwd: str) -> bool: """Return True if and only if passwd is considered to be a strong password. A string is considered to be a strong password when it satisfies each of the following conditions: it has a length greater than or equal to 6, it contains at least one lowercase letter, it contains at least one uppercase letter, and it contains at least one digit. - - Hint: Try using boolean variables or counting variables in your solution. They can be used when determining whether or not each condition has been met. >> is_strong_password('I> is_strong_password('compsci!!') False >> is_strong_password('Csc108') True II II IIDevelop a shopping solution that has both client side and server side. Server-side ⚫ A console application should be enough, it prints each response to the output window before sending back to the client-side(s). • When it first runs, at least five pre-defined products with random quantities (1-3) should be initialized. Which means products should be the same every time the server starts, and the quantities for each product should be randomized. At least 3 accounts should be created, each account has an account number and user's name. • When the server is active, it should store ordering information to variable(s) (e.g., dictionaries, lists). The server does not have to store the ordering information to the local system, so once you shutdown the server, all information can be disposed. • Server should send back appropriate response depending on the client's command. (Protocol below) • The handler code should be separated from the user interface (i.e., in a separate class - similar to…Complete CapVowels(), which takes a string as a parameter and returns a new string containing the string parameter with the first occurrence of each of the five English vowels (a, e, i, o, and u) capitalized. Hint: Begin CapVowels) by copying the string parameter to a newly allocated string. Ex: If the input is: management the output is: Original: management Modified: mAnagEment 1 #include 2 #include 3 #include 4 5 // Return a newly allocated copy of original 6 // with the first occurrence of each vowel capitalized 7 char* CapVowels (char* original) { 8 /* Type your code here. */ 9} 10 11 int main(void) { 12 13 14 15 16 17 18 19 20 21 22 23 24 25 } 26 char userCaption [50]; char resultStr; scanf("%s", userCaption); resultStr = CapVowels (userCaption); printf("Original: %s\n", userCaption); printf("Modified: %s\n", resultStr); return 0; main.c // Always free dynamically allocated memory when no Longer needed free (resultStr);
- WebConnect 3270 Sphinx of Hatsheps... - Question Completion Status: Based on this information, complete the code for numbered region 3. QUESTION 10 ("Enter a number:")) Fill each of the numbered areas so that the code you create asks the user to enter a whole number using the keyboard and store that number into variable x. QUESTION 11 if(x<0 or x10): print("Invalid number! ") The piece of code above checks whether x is between 0 and 10, If not it prints a text. Clickpublic getFuelLevel():double retrieves fuel level in gallons Precondition: fuel level is initialized Postcondition: no change in state Return: fuel level in gallons with decimal valuespublic getFuelTankSize():double retrieves fuel level in gallons Precondition: fuel level is initialized Postcondition: no change is state Return: fuel level in gallons with decimal valuespublic setUpTrip(double, double): void Car's state is set to hold the speed of travel and distance to travel at that speed Precondition: none Postcondition: Car's state holds information on distance to travel and speed to travel Parameters: Average Speed to be driven, Distance to driveDevelop and use an algorithm that calculates the amount of fuel used and the actual distance driven in the drive() method. The algorithm must use a formula or multiple formulas ( as a piecewise function) that gives proportionately poorer mileage when the Car is driven faster or slower than its optimal speed. When a new Car object…Challenge 3: Encryption.java and Decryption.java Write an Encryption class that encrypts the contents of a binary file. Your encryption program should work like a filter, reading the contents of one file, modifying the data into a code, and then writing the coded content out to a second file. The second file will be a version of the first file, but written in a secret code. Use a simple encryption technique, such as reading one character at a time, and add 10 to the character code of each character before it is written to the second file. Come up with your own encryption method. Also write a Decryption class that reads the file produced by the Encryption program. The decryption file will use the method that you used and restore the data to its original state, and write it to a new file.