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In the following questions, use functions to implement the required tasks:
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Q1:- Write a C++ code that read a string as an integer, then it will check it for any mistakes, then it will convert it to integer so you can use it in any arithmetic or logic operations. in this C++ code, to Program should give the user an error message when wrong entry is happen, and the program should keep asking the user to enter a valid entry. Also, use a function to implement the converting. (Use switch for the converting)

Q2:- Write a function Exaggerate that takes a string as a reference parameter and increases any non-nine digits in that string by one. For example, given the input string “I worked 90 hours and drove 24 miles” the function would change it to read “I worked 91 hours and drove 35 miles.

Q3:- Write a function InsertCommas that, given as a parameter a string containing mixed integer data and text, inserts commas into the integers to improve readability. For example, if the input is “1000000 melons,” you should return “1,000,000 melons.”

Q4:- Write a C++ code that read 10 different integers as a one dimension array and:
• Calculate the average of these values.
• Find the maximum value.
• Sort them from the smallest value to the greatest value.

Q5:- Write a program that declares a constant pointer to a constant integer. Initialize the pointer to an integer variable, varOne. Assign 6 to varOne. Use the pointer to assign 7 to varOne. Create a second integer variable, varTwo. Reassign the pointer to varTwo.

Q6:- Write a program that declares an int, a reference to an int, and a pointer to an int. Use the pointer and the reference to manipulate the value in the int.



Q7:- What is wrong with this code?
#include <iostream>
using namespace std;
int main()
{
int *pInt;
*pInt = 9;
cout << “The value at pInt: “ << *pInt;
return 0;
}

6. What is wrong with this code?
#include <iostream>
using namespace std;
int main()
{
int SomeVariable = 5;
cout << “SomeVariable: “ << SomeVariable << endl;
int *pVar = & SomeVariable;
pVar = 9;
cout << “SomeVariable: “ << *pVar << endl;
return 0;
}

Write a program that simulates calculation of building cost. This program will ask the user for a number of inputs that you will have to determine based on the problem statement. Your program will then calculate the cost of a building based on these inputs.

Problem Statement.
A company would like you to design a program that will generate a building cost that is based on the square feet of the building times the number of floors. The square foot building cost is $100.00/sqft.

Also computed into the cost is the number of windows requested and the number of doors. When a user enters the number of windows or doors you must also determine the type of window or door.
Doors:
• Flat- 100/door
• 3 panel- 150/door
• 5 panel – 200/door
Windows:
• Aluminum -200/window
• Wood – 250/window
• Vinyl – 350/window
You will define a menu method that will allow the user to choose what cost they want to add, and if they want to continue. The application will continue to run until the user enters “qui

Provide two alternatives (1 for loop and 1 while loop) to the loop that does not change the programs output but also does not use a "break" statement. Modify the sample code below to have a single return statement. Prepare all three modifications in a Word document with a discussion as to why using break in this way as well as using multiple return statements is not considered good programming form by most in the field.

write a c program to reads 2 integers x&y ther prints if x is a multiple of y