An English Christmas carol.
★★★"The Twelve Days of Christmas" is an English Christmas carol that enumerates in the manner of a cumulative song a series of increasingly numerous gifts given on each of the twelve days of Christmas.
Write a program that outputs the song, “The Twelve Days of Christmas”.
Remember to add a comment before a subprogram, selection or iteration statement to explain its purpose.
output_song that:Outputs the song, “The twelve days of Christmas” in the most efficient way.
Hint
Use an array of the days,
"first","second"etc. Use an array of the gifts. Iterate over both arrays.
output_song procedure.On the first day of Christmas
My true love gave to me
A partridge in a pear tree.
On the second day of Christmas
My true love gave to me
Two turtle doves
And a partridge in a pear tree.
…
// Twelve days of Christmas program
using System;
class Submission
{
---
// -------------------------
// Subprograms
// -------------------------
// Procedure to output the twelve days of Christmas
static void output_song()
{
---
string[] day = {"first", "second", "third", "fourth", "fifth"};
string[] item = {"partridge in a pear tree.", "Two turtle doves", "Three french hens", "Four calling birds", "Five gold rings"};
int verse = 0;
int reverse_verse = 0;
---
// Output each verse
for (verse = 0; verse < day.Length; verse++)
{
---
if (verse > 0)
{
---
Console.WriteLine();
---
}
---
Console.WriteLine($"On the {day[verse]} day of Christmas");
Console.WriteLine("My true love gave to me");
---
// All the items from the previous verses are output
for (reverse_verse = verse; reverse_verse > 0; reverse_verse--)
{
---
// Output only one partridge!
if (reverse_verse > 0)
{
---
Console.WriteLine(item[reverse_verse]);
---
}
---
}
---
// Needs an 'A' or 'And' prefix depending on the verse
if (verse == 0)
{
---
Console.WriteLine($"A {item[0]}");
---
}
---
else
{
---
Console.WriteLine($"And a {item[0]}");
---
}
---
}
---
// End the song with a blank line
Console.WriteLine();
---
}
---
// -------------------------
// Main program
// -------------------------
public static void Main(string[] args)
{
---
output_song();
---
}
}