using System;

​

public class Coins

{

   public int Quarters { get; set; }

   public int Dimes { get; set; }

   public int Nickels { get; set; }

   public int Pennies { get; set; }

}

public class Dollars

{

   public int Twenties { get; set; }

   public int Tens { get; set; }

   public int Fives { get; set; }

   public int Ones { get; set; }

}

public static class CoinStarMachine

{

   /// <summary>

   /// Converts the collection of coins into their dollar equivalence.

   ///

   /// The coin remainder that does not add up to at least one dollar

   /// is donated to a good cause, and not given to the individual.

   /// </summary>

   /// <returns>The least amount of bills that the coins tally up to.</returns>

   public static Dollars ConvertWithNoCoinReturn(Coins coins)

   {

       int quarters = coins.Quarters * 25; int dimes = coins.Dimes * 10; 

       int nickels = coins.Nickels * 5;

       Dollars dollers = new Dollars();

       dollers.Twenties = quarters / 2000;

       dollers.Tens = (quarters % 2000)/1000;

dollers.Fives = (quarters%1000) / 500; 

       dollers.Ones = (quarters % 500) / 100;

       return dollers;

   }

   /// <summary>

   /// Converts the collection of coins into their dollar equivalence.

   ///

   /// </summary>

   /// <returns>The fewest number of bills that the coins tally up to and the fewest number of coins as the remainder.</returns>

   public static (Dollars, Coins) ConvertWithCoinReturn(Coins coins)

   {

           throw new NotImplementedException();

   }

}

​

// test cases for ConvertWithNoCoinReturn

Coins input1 = new Coins { Quarters = 4, Dimes = 0, Nickels = 0, Pennies = 0 };

Dollars output1 = CoinStarMachine.ConvertWithNoCoinReturn(input1);

Console.WriteLine($@"Test case 1 passed: {(output1.Ones == 1 && output1.Tens == 0 && output1.Fives == 0 && output1.Twenties == 0 ? "true" : "false")}");

​

Coins input2 = new Coins { Quarters = 3, Dimes = 2, Nickels = 0, Pennies = 4 };

Dollars output2 = CoinStarMachine.ConvertWithNoCoinReturn(input2);

Console.WriteLine($@"Test case 2 passed: {(output2.Ones == 0 && output2.Tens == 0 && output2.Fives == 0 && output2.Twenties == 0 ? "true" : "false")}");

​

Coins input3 = new Coins { Quarters = 8, Dimes = 2, Nickels = 1, Pennies = 4 };

Dollars output3 = CoinStarMachine.ConvertWithNoCoinReturn(input3);

Console.WriteLine($@"Test case 3 passed: {(output3.Ones == 2 && output3.Tens == 0 && output3.Fives == 0 && output3.Twenties == 0 ? "true" : "false")}");

​

Coins input4 = new Coins { Quarters = 40, Dimes = 0, Nickels = 0, Pennies = 0 };

Dollars output4 = CoinStarMachine.ConvertWithNoCoinReturn(input4);

Console.WriteLine($@"Test case 4 passed: {(output4.Ones == 0 && output4.Tens == 1 && output4.Fives == 0 && output4.Twenties == 0 ? "true" : "false")}");

​

Coins input5 = new Coins { Quarters = 0, Dimes = 0, Nickels = 0, Pennies = 0 };

Dollars output5 = CoinStarMachine.ConvertWithNoCoinReturn(input5);

Console.WriteLine($@"Test case 5 passed: {(output5.Ones == 0 && output5.Tens == 0 && output5.Fives == 0 && output5.Twenties == 0 ? "true" : "false")}");

​

Coins input6 = new Coins { Quarters = 3, Dimes = 5, Nickels = 4, Pennies = 30 };

Dollars output6 = CoinStarMachine.ConvertWithNoCoinReturn(input6);

Console.WriteLine($@"Test case 6 passed: {(output6.Ones == 1 && output6.Tens == 0 && output6.Fives == 0 && output6.Twenties == 0 ? "true" : "false")}");

​

Coins input7 = new Coins { Quarters = 3, Dimes = 2, Nickels = 0, Pennies = 4 };

Dollars output7 = CoinStarMachine.ConvertWithNoCoinReturn(input7);

Console.WriteLine($@"Test case 7 passed: {(output7.Ones == 0 && output7.Tens == 0 && output7.Fives == 0 && output7.Twenties == 0 ? "true" : "false")}");

​

Coins input8 = new Coins { Quarters = 0, Dimes = 0, Nickels = 0, Pennies = 100 };

Dollars output8 = CoinStarMachine.ConvertWithNoCoinReturn(input8);

Console.WriteLine($@"Test case 8 passed: {(output8.Ones == 1 && output8.Tens == 0 && output8.Fives == 0 && output8.Twenties == 0 ? "true" : "false")}");

​

Coins input9 = new Coins { Quarters = 80, Dimes = 0, Nickels = 0, Pennies = 0 };

Dollars output9 = CoinStarMachine.ConvertWithNoCoinReturn(input9);

Console.WriteLine($@"Test case 9 passed: {(output9.Ones == 0 && output9.Tens == 0 && output9.Fives == 0 && output9.Twenties == 1 ? "true" : "false")}");

​

// test cases for ConvertWithCoinReturn

/*Coins input1 = new Coins { Quarters = 4, Dimes = 0, Nickels = 0, Pennies = 0 };

(Dollars, Coins) output1 = CoinStarMachine.ConvertWithCoinReturn(input1);

Console.WriteLine($@"Test case 1 passed: {(output1.Item1.Ones == 1 && output1.Item2.Quarters == 0 && output1.Item2.Dimes == 0 && output1.Item2.Nickels == 0 && output1.Item2.Pennies == 0 ? "true" : "false")}");

​

Coins input2 = new Coins { Quarters = 3, Dimes = 2, Nickels = 0, Pennies = 4 };

(Dollars, Coins) output2 = CoinStarMachine.ConvertWithCoinReturn(input2);

Console.WriteLine($@"Test case 2 passed: {(output2.Item1.Ones == 0 && output2.Item2.Quarters == 3 && output2.Item2.Dimes == 2 && output2.Item2.Nickels == 0 && output2.Item2.Pennies == 4 ? "true" : "false")}");

​

Coins input3 = new Coins { Quarters = 8, Dimes = 2, Nickels = 1, Pennies = 4 };

(Dollars, Coins) output3 = CoinStarMachine.ConvertWithCoinReturn(input3);

Console.WriteLine($@"Test case 3 passed: {(output3.Item1.Ones == 2 && output3.Item2.Quarters == 1 && output3.Item2.Dimes == 0 && output3.Item2.Nickels == 0 && output3.Item2.Pennies == 4 ? "true" : "false")}");

​

Coins input4 = new Coins { Quarters = 40, Dimes = 0, Nickels = 0, Pennies = 0 };

(Dollars, Coins) output4 = CoinStarMachine.ConvertWithCoinReturn(input4);

Console.WriteLine($@"Test case 4 passed: {(output4.Item1.Tens == 1 && output4.Item2.Quarters == 0 && output4.Item2.Dimes == 0 && output4.Item2.Nickels == 0 && output4.Item2.Pennies == 0 ? "true" : "false")}");

​

Coins input5 = new Coins { Quarters = 0, Dimes = 0, Nickels = 0, Pennies = 0 };

(Dollars, Coins) output5 = CoinStarMachine.ConvertWithCoinReturn(input5);

Console.WriteLine($@"Test case 5 passed: {(output5.Item1.Ones == 0 && output5.Item2.Quarters == 0 && output5.Item2.Dimes == 0 && output5.Item2.Nickels == 0 && output5.Item2.Pennies == 0 ? "true" : "false")}");

​

Coins input6 = new Coins { Quarters = 3, Dimes = 5, Nickels = 4, Pennies = 30 };

(Dollars, Coins) output6 = CoinStarMachine.ConvertWithCoinReturn(input6);

Console.WriteLine($@"Test case 6 passed: {(output6.Item1.Ones == 1 && output6.Item2.Quarters == 3 && output6.Item2.Dimes == 0 && output6.Item2.Nickels == 0 && output6.Item2.Pennies == 0 ? "true" : "false")}");

​

Coins input7 = new Coins { Quarters = 3, Dimes = 2, Nickels = 0, Pennies = 4 };

(Dollars, Coins) output7 = CoinStarMachine.ConvertWithCoinReturn(input7);

Console.WriteLine($@"Test case 7 passed: {(output7.Item1.Ones == 0 && output7.Item2.Quarters == 3 && output7.Item2.Dimes == 2 && output7.Item2.Nickels == 0 && output7.Item2.Pennies == 4 ? "true" : "false")}");

​

Coins input8 = new Coins { Quarters = 0, Dimes = 0, Nickels = 0, Pennies = 100 };

(Dollars, Coins) output8 = CoinStarMachine.ConvertWithCoinReturn(input8);

Console.WriteLine($@"Test case 8 passed: {(output8.Item1.Ones == 1 && output8.Item2.Quarters == 0 && output8.Item2.Dimes == 0 && output8.Item2.Nickels == 0 && output8.Item2.Pennies == 0 ? "true" : "false")}");*/

​

​