Withdrawal Program [closed]

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Withdrawal Program [closed]

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I'm having trouble solving this problem, could anyone help me? The problem of study is this here:

In a small country on the planet Cyber, the current currency is the bit whose acronym is B $. In this currency there are bills of B $ 50.00, B $ 10.00, B $ 5.00 and B $ 1.00 bits. You have been hired to implement the withdrawal system at an ATM, and for this you should always release as few notes as possible for a certain amount requested. Your algorithm will have as input the value to be taken out of the box and you must issue the total of each note needed to compose the requested amount (so that this total is as little as possible). (2.0 points). The algorithm should be terminated when the value to be withdrawn is 0 (zero). Note: No draw can exceed B $ 1000.00 bits. Example: Amount of withdrawal: 650.00 Notes: 6 notes of 100.00 and a note of 50.00

And I did this:

int cedCinq = 50;
int numCedCinq;
int cedDez = 10;
int numCedDez;
int cedCinc = 5;
int numCedCin;
int cedUm = 1;
int numCedUm;'

double dinheiro = 1000;
double saque, resto;

Console.WriteLine("Digite o valor que deseja sacar: ");
saque = double.Parse(Console.ReadLine());

if (saque > dinheiro)
{
    Console.WriteLine("Valor de limite excedido, não pode ser sacado esse valor!");
}
else if (saque == 0)
{
    Console.WriteLine("Saque realizado!");
}

numCedCinq = Convert.ToInt32(saque / cedCinq);
resto = saque % cedCinq;
numCedDez = Convert.ToInt32(resto / cedDez);
resto = saque % cedDez;
numCedCin = Convert.ToInt32(resto / cedCinc);
resto = saque % numCedCin;
numCedUm = Convert.ToUInt16(resto / cedUm);
resto = saque % numCedUm;

Console.WriteLine("Do valor que foi solicitado " + saque + " foram usadas essas cédulas - Cinquenta: " + numCedCinq +
" Dez: " + numCedDez + " Cinco: " + numCedCin + " Um: " + numCedUm);
Console.ReadLine();'

How can I solve this a lot easier?

c#

asked by anonymous 06.12.2018 / 15:08

1 answer

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score 0 · Accepted Answer

Well, I made a code with comments for you. There are other ways to do it, of course, but I think this is very simple and can help you.

I commented the code to the inveé to explain here because while writing I was already commenting. If you have any questions, let me know if I can help you.

// Aqui listamos todas os valores de cédulas que estarão disponíveis
static readonly decimal[] valorCedula  = { 50.0M, 10.0M, 5.0M, 1.0M };

static void Main(string[] args)
{
    // O uso correto para valores monetários seria DECIMAL. Existem threads aqui na SOpt com informações sobre
    decimal dinheiro = 1000M;
    decimal saque = 0.0M;

    saque = decimal.Parse(Console.ReadLine());

    if(saque <= 0.0M || saque >= dinheiro)
        Console.WriteLine("Valor de limite excedido, não pode ser sacado esse valor!");
    else if (saque == 0.0M)
        Console.WriteLine("Saque realizado!");
    else
    {
        // Criamos uma lista de cédulas que iremos receber do tamanho máximo de cédulas disponíveis
        // Cada índice vai ser respectivo a quantas cédulas de valorCedula que será dado
        // Ou seja , cedulas[0] corresponderá a nota de 50, cedulas[1] a de 10
        int[] cedulas = new int[valorCedula.Length];

        // Fazemos um loop entre todos os valores de cédulas disponíveis
        for(int i = 0; i < valorCedula.Length; i++)
        {
            // Adicionamos no respectivo índice o valor de quantas cédulas vamos ter 
            cedulas[i] = Convert.ToInt32(Math.Floor(saque / valorCedula[i]));

            // Diminuímos do valo total, você pode ter uma variável auxiliar neste caso
            saque -= (cedulas[i] * valorCedula[i]);
        }

        // Escrevemos em tela
        for (int i = 0; i < cedulas.Length; i++)
            Console.WriteLine($"Cedula de { valorCedula[i] }: { cedulas[i] }");
    }

    Console.ReadLine();
}

See working at .NET Fiddle