29. The number of combinations Chr of taking r objects out of n objects is given by: n! r!(n-r)! Cnr = In the Powerball lottery game the player chooses five numbers from 1 through 59, and then the Powerball number from 1 through 35. Determine how many combinations are possible by calculating C59,5 C35,1 (Use the built-in function factorial.)

29. The number of combinations Chr of taking r objects out of n objects is given by: n! r!(n-r)! Cnr = In the Powerball lottery game the player chooses five numbers from 1 through 59, and then the Powerball number from 1 through 35. Determine how many combinations are possible by calculating C59,5 C35,1 (Use the built-in function factorial.)

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter8: Arrays And Strings

Section: Chapter Questions

Problem 22PE

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Q1__;. A phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it reads the same forward and backward. Alphanumeric characters include letters and numbers. Given a string s, return true if it is a palindrome, or false otherwise. Example 1: Input: s = "A man, a plan, a canal: Panama" Output: true Explanation: "amanaplanacanalpanama" is a palindrome. Example 2: Input: s = "race a car" Output: false Explanation: "raceacar" is not a palindrome..
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File names: color_square.py, chessboard.py, test_squares.py Positions on a chess board are identified by a letter and a number. The letter identifies the column; the number identifies the row. See the image below. You will provide the functions that allow us to determine: if a chessboard square is either black or white, given its coordinates. If the row/column is valid or not for the standard chessboard For example, if we pass in “d” for the column and 4 for the row, your function that determines color should return the string: “BLACK”. If we pass in "k" for the column to your function that validates columns, that function should return the boolean False. Requirements: Your function for validating the column should be able to accept upper or lowercase strings as parameters. Your functions for validating the row should be able to accept integers or strings as parameters. Your function that determines black-or-white may assume that the input has been validated prior to us calling…