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1) Predefined and Value Functions Program - Write a program that contains four value functions. One function should input an integer and return the absolute value of the integer. The second function...

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1)Predefined and Value Functions Program- Write a program that contains four value functions.

  • One function should input an integer and return the absolute value of the integer.
  • The second function should input a double and return the absolute value of the double.
  • The third function should input a letter and return the upper case version of the letter.
  • The fourth function should input a letter and return the lower case version of the letter.

The main function should call all four functions and should display the values returned with appropriate labels.

code-from-class-uc2a2nlk.txt
Answered Same Day Nov 02, 2021

Solution

Neha answered on Nov 10 2021
150 Votes
/******************************************************************************
Online C++ Compiler.
Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.
*******************************************************************************
#include #include #include #include #include using namespace std;
const double MIN_GRADE = 0.0, MAX_GRADE = 100.00;
const int NUM_GRADES = 4;
const string SENTINEL = "XX";
string input_filename();
double get_grade(int count);
double get_average();
void display_file(const string filename);
ool input_names(string& f_name , string& l_name);
ool create_file(string& file_name);
int main()
{
string file_name;
file_name = input_filename();
create_file(file_name);
display_file(file_name);
return 0;
}
string input_filename()
{
string file_name;

Get file name
cout
"\nEnter file name: ";
getline(cin, file_name);
return file_name;
}
double...
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