甲级pat-1005

#include<iostream>
using namespace std;
char arr[10][10]={"zero","one","two","three","four","five","six","seven","eight","nine"};
const int maxn=10100;
int main(){
    string s;
    int sum=0,a[maxn]={0},index=0;
    cin>>s;
    int len=s.length();
    for(int i=0;i<len;i++)
        sum+=s[i]-'0';
    // 使用do先进行计算然后再进行判断
    do{
        int temp=sum%10;
        sum=sum/10;
        a[index]=temp;
        index++;
    }while(sum!=0);
    for(int i=index-1;i>=0;i--){
        cout<<arr[a[i]];
        if(i!=0)
            cout<<" ";
    }
    return 0;
}
/*
12345
one five*/