Programming and Problem Solving With C++
6th Edition
ISBN: 9781449694265
Author: Nell Dale
Publisher: Jones & Bartlett Learning
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Chapter 2, Problem 6PWE
Program Plan Intro
Program Plan:
Three constant variablesare used in this program. All are of string type. The name of the variable is PART1, PART2, and PART3. These variables are initialized with the default value.
Summary Introduction:
Using the concatenation operator prints the given value stored in variable PART1, PART2, and PART3.
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Part 2: Forms often allow a user to enter an integer. Write a program that takes in a string representing an integer as input, and outputs yes if every character is a digit 0-9.
Ex: If the input is 1995, the output is:
yes
Ex: If the input is 42,000 or 1995!, the output is:
no
Hint: Use a loop and the isdigit() function (don't forget to include the cctype library). Do not use break! please do it in c++
3. Complete the function count_digits. This function takes one parameter - a string (s). It should return the
number of digits in s. For example, if s is "25 or 6 to 4 is a song by Chicago" then count_digits should
return 4. count_digits should not print the result- it should return it. Do not change anything outside
count_digits.
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1 def count_digits(s):
2
''Returns the number of digits in s''"
3
pass
#Hint: make a string of digits to use
#in checking whether each character
#is a digit. And use the accumulator
#pattern
4
6.
7
8.
9 user_string
10 num_digits
11 print("There are", num_digits, "digits in", user_string)
input("Please enter a string: ")
count_digits(user_string)
12
Complete the Funnyville High School registration program where user is prompted for her full name and the program generates email id and temporary password.
Sample run:
generate_EmailID: This function takes two arguments: the user’s first name and last name and creates and returns the email id as a string by using these rules:
The email id is all lower case.
email id is of the form “last.first@fhs.edu”. e.g. For "John Doe" it will be "doe.john@fhs.edu".
See sample runs above.
generate_Password: This function takes two arguments: the user’s first name and last name and generates and returns a temporary password as a string by using these rules. Assume that user's first and last names have at least 2 letters. The temporary password
starts with the first 2 letters of the first name, made lower case.
followed by a number which is the sum of the lengths of the first and last name (For example this number will be 7 for "John Doe" since length of "John" is 4 and length of "Doe" is…
Chapter 2 Solutions
Programming and Problem Solving With C++
Ch. 2 - Prob. 1PSCSCh. 2 - Prob. 1EPECh. 2 - Prob. 2EPECh. 2 - Prob. 3EPECh. 2 - Prob. 4EPECh. 2 - Prob. 5EPECh. 2 - Prob. 6EPECh. 2 - Prob. 7EPECh. 2 - Prob. 8EPECh. 2 - Prob. 9EPE
Ch. 2 - Prob. 10EPECh. 2 - Prob. 11EPECh. 2 - Prob. 12EPECh. 2 - Prob. 13EPECh. 2 - Prob. 14EPECh. 2 - Prob. 15EPECh. 2 - Prob. 16EPECh. 2 - Prob. 17EPECh. 2 - Prob. 18EPECh. 2 - Prob. 19EPECh. 2 - Prob. 1PWECh. 2 - Prob. 2PWECh. 2 - Prob. 3PWECh. 2 - Prob. 4PWECh. 2 - Prob. 5PWECh. 2 - Prob. 6PWECh. 2 - Prob. 7PWECh. 2 - Prob. 8PWECh. 2 - Prob. 9PWECh. 2 - Prob. 10PWECh. 2 - Prob. 1PPCh. 2 - Prob. 2PPCh. 2 - Prob. 3PPCh. 2 - Prob. 4PPCh. 2 - Prob. 1CSFCh. 2 - Prob. 2CSFCh. 2 - Prob. 3CSFCh. 2 - Prob. 4CSFCh. 2 - Prob. 5CSFCh. 2 - Prob. 6CSF
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