PAT 1082. Read Number in Chinese (25)

最新推荐文章于 2020-08-20 09:01:53 发布

原创最新推荐文章于 2020-08-20 09:01:53 发布 · 760 阅读

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题意：

用汉语拼音读出不超过9位的数字，包括负数，例如：
Sample Input 1:-123456789
Sample Output 1:Fu yi Yi er Qian san Bai si Shi wu Wan liu Qian qi Bai ba Shi jiu
Sample Input 2:100800
Sample Output 2:yi Shi Wan ling ba Bai

#include <iostream>
#include <fstream>
#include <vector>

/**
    1.单个数字零的特殊处理
    2.连续多个零的处理方法
**/

using namespace std;
string c_nums[10]={"ling","yi","er","san","si","wu","liu","qi","ba","jiu"};
string c_weishu[6]{"Ge","Shi","Bai","Qian","Wan","Yi"};

string get_chinese(string num1){
    string chinese_num="";
    for(int i=0;i<num1.length();){
            while(num1[i]-'0'==0){
                ++i;
                if(i>=num1.length())break;
                if(num1[i]-'0'!=0&&i<num1.length()){
                     if(chinese_num.length()==0){
                        chinese_num+="ling";
                    }else{
                        chinese_num+=" ling";
                    }
                }
            }
            if(i>=num1.length())break;
            else{
                if(chinese_num.length()==0){
                    chinese_num+=c_nums[num1[i]-'0']+" "+c_weishu[num1.length()-1-i];
                }else{
                    chinese_num+=" "+c_nums[num1[i]-'0']+" "+c_weishu[num1.length()-1-i];
                }
                i++;
            }
    }
    if(chinese_num.length()>3&&chinese_num.substr(chinese_num.length()-3,3)==" Ge"){
       chinese_num=chinese_num.substr(0,chinese_num.length()-3);
    }
    return chinese_num;
}

int main()
{
    ifstream cin("data.txt");
    string num,chinese_num;
    cin>>num;
    string fu="";
    if(num.length()==1&&num[0]=='0'){
        cout<<"ling\n";
        return 0;
    }
    if(num[0]=='-'){
        fu="Fu ";
        num=num.substr(1,num.length()-1);
    }
    if(num.length()==9){
        chinese_num+=c_nums[num[0]-'0']+" "+c_weishu[5];
        num=num.substr(1,num.length()-1);
    }
    if(num.length()>4){
        string num1=num.substr(0,num.length()-4);
        string rs=get_chinese(num1);
        if(rs.length()>0)
            rs+=" Wan";
        if(rs.length()>0&&chinese_num.length()>0){
            chinese_num+=" "+rs;
        }else
            chinese_num+=rs;
        num=num.substr(num1.length(),5);
        rs=get_chinese(num);
        if(rs.length()>0&&chinese_num.length()>0)
            chinese_num+=" "+rs;
        else
            chinese_num+=rs;
    }else{
        chinese_num+=get_chinese(num);
    }
    cout<<fu<<chinese_num<<endl;
    return 0;
}