代码奔腾 · 2012年11月28日 0

使用do循环

static void Main(string[] args)
{
double balance, interestRate, targetBalance;
Console.WriteLine(“What is your current balance?”);
balance = Convert.ToDouble(Console .ReadLine ());
//您当前的余额?
Console.WriteLine(“What is your current annual interest rate(in %)?”);
interestRate = 1 + Convert.ToDouble(Console .ReadLine ())/100.0;
//您目前的年利率?
Console.WriteLine(“What balance would you like to have?”);
targetBalance = Convert.ToDouble(Console .ReadLine ());
//您想要的余额?

int totaYears = 0;
do
{
balance *= interestRate;

//等同于balance=balance*interestRate
++totaYears ;
}
while (balance <targetBalance );
Console.WriteLine(“In {0} year{1} you’ll have a balance of {2}.”,totaYears ,totaYears ==1?””:”s”,balance);
//当年数大于1时,{1}被“s”替代(year→years),否则为空。
Console.ReadKey();
}

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