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- Write C++ program to currency exchange, which is the process that allows customers to exchange one currency for another. The program will include decision-making statements, loops, arrays, file I/O, string, and functions. You should be following below details: As you might know, currency rates are influenced by several factors such a country'seconomic performance. Thus, it is better to get the up to-date currency rates from anexternal source as it is easier to update. You should read the data from the file “ExchangeRate.txt”. “ExchangeRate.txt” file contain: 1.00 SAR 0.08 KWD 1.00 SAR 0.97 QAR 1.00 SAR 0.98 AED 1.00 SAR 0.10 BHD 1.00 SAR 0.10 OMR 1.00 QAR 0.08 KWD 1.00 QAR 1.01 AED 1.00 QAR 0.10 BHD 1.00 QAR 0.11 OMR 1.00 KWD 12.00 AED 1.00 KWD 1.23 BHD 1.00 KWD 1.26 OMR 1.00 AED 0.10 BHD 1.00 AED 0.10 OMR 1.00 BHD 1.02 OMR The program should print the available currencies for exchange which are:o SAR --> Saudi Arabia Riyalo KWD --> Kuwaiti Dinaro QAR --> Qatar Riyalo AED…Modify this program to use namespaces and separate compilation. using c++-Put the class definition and other function declarations Programming Projects 517 in one file.-Place the implementations in a separate file.-Distribute the namespace definition across the two files.-Place the demonstration program in a third file.-To provide access to names in namespaces, you may use local using declarations such as using std::cout; or use local using directives such as using namespace std; inside a block, or qualify names using the names of namespaces, such as std::cout.-You may not use global namespace directives such as the following which are not in a block and apply to the entire file: using namespace std;" code #include <iostream>#include<string>using namespace std; class PFArrayD{public:PFArrayD( );//Initializes with a capacity of 50.PFArrayD(int capacityValue);PFArrayD(const PFArrayD& pfaObject);void addElement(double element);//Precondition: The array is not…Modify this program to use namespaces and separate compilation. using c++-Put the class definition and other function declarations Programming Projects 517 in one file.-Place the implementations in a separate file.-Distribute the namespace definition across the two files.-Place the demonstration program in a third file.-To provide access to names in namespaces, you may use local using declarations such as using std::cout; or use local using directives such as using namespace std; inside a block, or qualify names using the names of namespaces, such as std::cout.-You may not use global namespace directives such as the following which are not in a block and apply to the entire file: using namespace std;" code #include <iostream>#include<string>using namespace std; class PFArrayD{public:PFArrayD( );//Initializes with a capacity of 50.PFArrayD(int capacityValue);PFArrayD(const PFArrayD& pfaObject);void addElement(double element);//Precondition: The array is not…
- Need a help with this programs for each of the following problem statements: - use of comment statements- use of descriptive variable names 1. (gcount) A program that will accept any number of grades foran exam. The grades will be input as 4 for an A, 3 for a B, 2 for a C, 1for a D, and 0 for an F. After all grades have been entered, allow theuser to enter -1 to exit. Output the number of grades in each category. - correct use of array of counters - correct use of loop - correct outputWrite C++ program to currency exchange, which is the process that allows customers to exchange one currency for another. The program will include decision-making statements, loops, arrays, file I/O, string, and functions. You should follow the details: As you might know, currency rates are influenced by several factors such a country'seconomic performance. Thus, it is better to get the up-to-date currency rates from anexternal source as it is easier to update. You should read the data from the file “ExchangeRate.txt”. “ExchangeRate.txt” file contains: 1.00 SAR 0.08 KWD 1.00 SAR 0.97 QAR 1.00 SAR 0.98 AED 1.00 SAR 0.10 BHD 1.00 SAR 0.10 OMR 1.00 QAR 0.08 KWD 1.00 QAR 1.01 AED 1.00 QAR 0.10 BHD 1.00 QAR 0.11 OMR 1.00 KWD 12.00 AED 1.00 KWD 1.23 BHD 1.00 KWD 1.26 OMR 1.00 AED 0.10 BHD 1.00 AED 0.10 OMR 1.00 BHD 1.02 OMR The program should print the available currencies for exchange which are:o SAR --> Saudi Arabia Riyalo KWD --> Kuwaiti Dinaro QAR --> Qatar Riyalo AED -->…Comment each C statement and write output
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