Question: What is wrong with this code? using System; using System.Globalization; namespace GreenvilleRevenue { class Program { static void Main(string[] args) { int numContestants; do {
What is wrong with this code?
using System;
using System.Globalization;
namespace GreenvilleRevenue
{
class Program
{
static void Main(string[] args)
{
int numContestants;
do
{
Console.Write("Enter the number of contestants (0-30): ");
} while (!int.TryParse(Console.ReadLine(), out numContestants) || numContestants < 0 || numContestants > 30);
Contestant[] contestants = new Contestant[numContestants];
for (int i = 0; i < numContestants; i++)
{
string name, talentCode;
int age;
Console.WriteLine($"Contestant {i + 1}:");
Console.Write("Enter name: ");
name = Console.ReadLine();
Console.Write("Enter age: ");
while (!int.TryParse(Console.ReadLine(), out age) || age < 0)
{
Console.Write("Invalid age. Enter age: ");
}
Console.WriteLine("Talent codes are:");
Console.WriteLine("S Singing");
Console.WriteLine("D Dancing");
Console.WriteLine("M Musical instrument");
Console.WriteLine("O Other");
Console.Write("Enter talent code: ");
talentCode = Console.ReadLine();
Contestant contestant;
if (age <= 12)
{
contestant = new ChildContestant();
}
else if (age <= 17)
{
contestant = new TeenContestant();
}
else
{
contestant = new AdultContestant();
}
contestant.Name = name;
contestant.Age = age;
contestant.TalentCode = talentCode;
contestants[i] = contestant;
}
decimal totalRevenue = 0;
foreach (Contestant contestant in contestants)
{
totalRevenue += contestant.Fee;
}
Console.WriteLine("Revenue expected this year is {0}", totalRevenue.ToString("C", CultureInfo.GetCultureInfo("en-US")));
Console.WriteLine("Valid talent categories are:");
Console.WriteLine("S Singing");
Console.WriteLine("D Dancing");
Console.WriteLine("M Musical instrument");
Console.WriteLine("O Other");
while (true)
{
Console.Write("Enter a talent code to display all contestants with that talent (or 'exit' to quit): ");
string talentCode = Console.ReadLine();
if (talentCode.ToLower() == "exit")
{
break;
}
bool found = false;
foreach (Contestant contestant in contestants)
{
if (contestant.TalentCode.ToLower() == talentCode.ToLower())
{
Console.WriteLine(contestant.ToString());
found = true;
}
}
if (!found)
{
Console.WriteLine("Invalid talent code.");
}
}
}
}
class Contestant
{
public string Name { get; set; }
public int Age { get; set; }
public string TalentCode { get; set; }
public virtual decimal Fee { get; set; }
public override string ToString()
{
return string.Format("{0} Contestant {1} Fee {2}", GetType().Name, Name, Fee.ToString("C", CultureInfo.GetCultureInfo("en-US")));
}
}
class ChildContestant : Contestant
{
public override decimal Fee { get; set; } = 15.0m;
}
class TeenContestant : Contestant
{
public override decimal Fee { get; set; } = 20.0m;
}
class AdultContestant
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