题解 | #人民币转换#

#include <iostream>
using namespace std;
string gewei[10] = {"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"};
string other[] = {"", "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿"};
int main()
{
    string str;
    while(getline(cin, str))
    {
        int Plot = str.find('.');
        string str1 = str.substr(0, Plot),str2 = str.substr(Plot + 1);
        cout << "人民币";
        if(str1!="0")
        {
            if(!(str1.size() % 4 == 2 && str1[0] == '1'))
                cout << gewei[str1[0]-'0'];
            cout << other[str1.size()-1];
            for(int i = 1; i < str1.size(); i++)
                if(str1[i] != '0')
                {
                    if(str1[i - 1] == '0')
                        cout << "零";
                    cout << gewei[str1[i] - '0'] << other[str1.size()-1 - i];
                }
            cout << "元";
        }
        if(str2 == "00")
            cout << "整";
        else if (str2[0] > '0')
            cout << gewei[str2[0]-'0'] << "角";
        if (str2[1] > '0')
            cout << gewei[str2[1]-'0'] << "分";
    }
}