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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