Thursday, September 30, 2021

Ordinal Numbers in Modern C++

 A simple program to demonstrate ordinal numbers using Modern C++ approach.

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Program Listing

// ordinal.cpp

// rules   :

//https://www.woodwardenglish.com/lesson/ordinal-numbers-in-english/

// standard: c++17

// IDE     : Code Blocks

// Jake Rodriguez Pomperada, MAED-IT, MIT

// www.jakepromperada.blogspot.com and www.jakerpomperada.com

// jakerpomperada@gmail.com


#include <iostream>

#include <string_view> 

//https://en.cppreference.com/w/cpp/string/basic_string_view


std::string_view get_suffix(int number)

{

     switch (number)

     {

         case 10:

         case 11:

         case 12:

         case 13: return "th";

         default:

         {

                 switch (number % 10)

                 {

                     case 1: return "st";

                     case 2: return "nd";

                     case 3: return "rd";

                     default: return "th";

                 }

         }

     }

}


int main()

{

      int num_years=0;


     std::cout << "\n\n";

     std::cout << "\tOrdinal Numbers in Modern C++";

     std::cout << "\n\n";

     std::cout << "\tHow many years: ";

     std::cin >> num_years;


     std::cout << "\n";

     for (int i = 1; i <= num_years; ++i)

         std::cout <<"\t" << i << get_suffix(i) << " year" << "\n";

    std::cout << "\n\n";

    std::cout << "\tEnd of Program";

    std::cout << "\n\n";


}




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