Luk*_*keH 197
public static string NumberToWords(int number)
{
if (number == 0)
return "zero";
if (number < 0)
return "minus " + NumberToWords(Math.Abs(number));
string words = "";
if ((number / 1000000) > 0)
{
words += NumberToWords(number / 1000000) + " million ";
number %= 1000000;
}
if ((number / 1000) > 0)
{
words += NumberToWords(number / 1000) + " thousand ";
number %= 1000;
}
if ((number / 100) > 0)
{
words += NumberToWords(number / 100) + " hundred ";
number %= 100;
}
if (number > 0)
{
if (words != "")
words += "and ";
var unitsMap = new[] { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen" };
var tensMap = new[] { "zero", "ten", "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety" };
if (number < 20)
words += unitsMap[number];
else
{
words += tensMap[number / 10];
if ((number % 10) > 0)
words += "-" + unitsMap[number % 10];
}
}
return words;
}
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当我必须解决这个问题时,我创建了一个硬编码数据字典来映射数字及其相关单词。例如,以下内容可能代表字典中的一些条目:
{1, "one"}
{2, "two"}
{30, "thirty"}
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您实际上只需要担心 10^0(1,2,3 等)和 10^1(10,20,30)位置的数字映射,因为一旦达到 100,您只需要知道何时将“百”、“千”、“百万”等词语与您的地图结合使用。例如,当您有 3,240,123 这样的数字时,您将得到:3240123。
构建地图后,您需要处理号码中的每个数字,并找出与之相匹配的适当术语。