1082 Read Number in Chinese (25 分)

Given an integer with no more than 9 digits, you are supposed to read it in the traditional Chinese way. Output Fu first if it is negative. For example, -123456789 is read as Fu yi Yi er Qian san Bai si Shi wu Wan liu Qian qi Bai ba Shi jiu. Note: zero (ling) must be handled correctly according to the Chinese tradition. For example, 100800 is yi Shi Wan ling ba Bai.

Input Specification:

Each input file contains one test case, which gives an integer with no more than 9 digits.

Output Specification:

For each test case, print in a line the Chinese way of reading the number. The characters are separated by a space and there must be no extra space at the end of the line.

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:

Sample Output 2:

yi Shi Wan ling ba Bai

#include<bits/stdc++.h>
using namespace std;
const int maxn=100010;
char num[10][5]={"ling","yi","er","san","si","wu","liu","qi","ba","jiu"};
char wei[5][5]={"Shi","Bai","Qian","Wan","Yi"};
int main(){
    string st;
    cin>>st;
    int len=st.length();
    int left=0,right=len-1;
    if(st[0]=='-'){
        printf("Fu");
        left++;
    }
    while(left+4<=right){
        right-=4;
    }
    while(left<len){
        bool flag=false;
        bool isprint=false;
        while(left<=right){
            if(left>0&&st[left]=='0'){
                flag=true;
            }
            else{
                if(flag==true){
                    printf(" ling");
                    flag=false;
                }
                if(left>0){
                printf(" ");
                }
                printf("%s",num[st[left]-'0']);
                isprint=true;
                if(left!=right){
                    printf(" %s",wei[right-left-1]);
                }
            }
            left++;
        }
        if(isprint==true&&right!=len-1){
            printf(" %s",wei[(len-1-right)/4+2]);
        }
        right+=4;
    }
    
    return 0;
}