#include <cstddef>
#include <iostream>
#include <string>

/***************************************************
 * Inputting array entries
 *
 * Write a function that asks the user to enter each
 * of the entries of an array.
 *
 * The function should step through the array and
 * use std::cin to assign a value to each entry.
 *
 * After all the entries have been entered, the
 * program prints the array.
 ***************************************************/

// Function declarations
void input_array(
    int array[],
    std::size_t const capacity
);

void print_array(
    int const array[],
    std::size_t const capacity
);

std::string ordinal( std::size_t const k );

int main();

// Function definitions
int main() {
    int array0[25]{};

    input_array( array0, 25 );
    print_array( array0, 25 );

    return 0;
}

/***************************************************
 * input_array
 *
 * Ask the user to enter each of the entries of the
 * array.
 ***************************************************/
void input_array(
    int array[],
    std::size_t const capacity
) {
    // Enter your implementation here
}

/***************************************************
 * print_array
 *
 * Print the entries of the array separated by
 * commas and spaces.
 ***************************************************/
void print_array(
    int const array[],
    std::size_t const capacity
) {
    if ( capacity > 0 ) {
        std::cout << array[0];

        for ( std::size_t k{ 1 }; k < capacity; ++k ) {
            std::cout << ", " << array[k];
        }
    }

    std::cout << std::endl;
}


































// Hint:
//
// You will need a for loop that steps through all
// the entries of the array.
//
// For each entry, print a message prompting the user
// to enter a value and then use std::cin to assign
// that value to the appropriate array entry.
//
// It is probably also a good idea to tell the user
// how many entries are expected.




































// Here is one solution that is way over the top,
// but enjoy.

/*
void input_array(
    int array[],
    std::size_t const capacity
) {
    for ( std::size_t k{ 0 }; k < capacity; ++k ) {
        std::cout << "Input the " << ordinal( k + 1 )
                  << " entry of " << capacity << ": ";
        std::cin  >> array[k];
    }
}
*/


































// The following function is not necessary for the
// exercise. It is only here to make the prompts a
// little more interesting.
//
// It converts a positive integer to a string
// representing its ordinal:
//
//      1  -> 1st
//      2  -> 2nd
//      3  -> 3rd
//      4  -> 4th
//     11  -> 11th
//     12  -> 12th
//     13  -> 13th
//     21  -> 21st
//     22  -> 22nd
//     23  -> 23rd
//    111  -> 111th
//    121  -> 121st

std::string ordinal( std::size_t const k ) {
    std::size_t const last_two{ k % 100 };
    std::size_t const last_digit{ k % 10 };

    if ( (last_two >= 11) && (last_two <= 13) ) {
        return std::to_string( k ) + "th";
    } else if ( last_digit == 1 ) {
        return std::to_string( k ) + "st";
    } else if ( last_digit == 2 ) {
        return std::to_string( k ) + "nd";
    } else if ( last_digit == 3 ) {
        return std::to_string( k ) + "rd";
    } else {
        return std::to_string( k ) + "th";
    }
}