Introduction to Algorithms
3rd Edition
ISBN: 9780262033848
Author: Thomas H. Cormen, Ronald L. Rivest, Charles E. Leiserson, Clifford Stein
Publisher: MIT Press
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Chapter 5.4, Problem 4E
Program Plan Intro
To find the number of people invited in a party so that three people have same birthday.
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A company has a computer system where the password must be six or seven characters (a character can only be a lowercase letter or a digit) long. If it is six characters, it must contain exactly two digits. If it is seven characters, it must contain at least two digits. How many possible passwords does the system have?
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c =
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Introduction to Algorithms
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- Why a large quantity of random keys is undesirable?arrow_forwardIn the use of RSA Cryptography, if the public key under RSA Cryptography is (11, 65), find the private key You must show all the detailed steps.arrow_forwardCryptography: Alice and Bob are going to establish a secure session key utilizing Diffie-Hellman key exchange. The agreed upon public prime is, 10477, Alice’s secret is 997, Bob’s secret is 1137. The public base is 31. What is their session key?arrow_forward
- Given below is a table where each ID has a role assigned to it and a password, corresponding to that ID: ID Roll no Password 100 student 10220 101 student 16010 102 student 11002 103 student 22342 104 student 44323 105 student 33354 106 student 87685 107 student 99089 108 student 34562 109 student 44255 110 teacher 32415 111 teacher 90784 112 teacher 78685 113 IT staff 15254 114 IT staff 81973 Write a C++ program that takes ID from the user. Based on the ID determine the role and display appropriate messages to ask the user to enter his/her password (if the role is a student then display “Dear student please enter your password). If the password provided by the user is correct the program will print the greeting message, otherwise, the program will display an error message “You have entered an incorrect value” and the program ends. If the ID does not exist, the program will print Incorrect ID.This should be done using switch and nested switch only.arrow_forwardExplain Fan-in and Fan-Out.arrow_forwardA_ risk calculation uses an "educated guess" based on observation rather than actual numbers based on historical data. (To help the auto-grader, give your answer either in ALL CAPS or all lowercase).arrow_forward
- Nonearrow_forwardData Encryption Standard Perform a Data Encryption Standard encryption on the plaintext (PL) by using key (K). The PL is your first 8 characters of your name and K is the last 8 digits of your student ID. For example: Name: Siti Fajar Plain text (PL): SITIFAJA Student ID: 201908040016 Key (K): 08040016 Show detail step by step involved.arrow_forwardWhen should testing be stopped?arrow_forward
- Answer only if you are 100% sure . Correct and detailed answer will be Upvoted else downvoted. Thank you! What is the use of GetNames operation?arrow_forwardThe error bars are shown on a bar graph to represent: Group of answer choices a.The level of confidence b. The standard deviation c. The mean d. The rangearrow_forwardTrue or False If there is a past estimation error, there is a need to replace the property immediately.arrow_forward
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