如何在C++编程中实现英国旧制货币(如先令和便士)的转换和处理?
时间: 2024-10-19 15:16:23 浏览: 1
在C++编程中,处理英国旧制货币(如先令和便士)通常涉及到整数和字符串操作。你可以创建两个常量分别表示英镑、先令和便士的值,然后定义函数来进行转换和显示。以下是一个简单的示例:
1. 定义数据结构:
```cpp
struct Currency {
int pounds;
int shillings;
int pence;
};
```
2. 转换函数:
```cpp
// 将英镑、先令和便士转换成浮点数代表金额
double convertToDecimal(Currency currency) {
return static_cast<double>(currency.pounds * 100 + currency.shillings * 12 + currency.pence);
}
// 将金额转换回英镑、先令和便士
Currency decimalToOldSystem(double amount) {
int pounds = static_cast<int>(amount / 100);
int remainder = amount % 100;
int shillings = remainder / 12;
int pence = remainder % 12;
return {pounds, shillings, pence};
}
```
3. 显示函数(用于打印货币格式):
```cpp
void displayCurrency(Currency currency) {
std::cout << currency.pounds << " 英镑 " << currency.shillings << " 先令 " << currency.pence << " 便士" << std::endl;
}
```
4. 示例使用:
```cpp
int main() {
Currency britishMoney = {5, 6, 7}; // 5英镑6先令7便士
double decimalAmount = convertToDecimal(britishMoney); // 转换成浮点数
Currency converted = decimalToOldSystem(decimalAmount); // 转换回旧制
displayCurrency(converted); // 打印结果
return 0;
}
```
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