1002. 写出这个数 (20)

读入一个自然数n，计算其各位数字之和，用汉语拼音写出和的每一位数字。

输入格式：每个测试输入包含1个测试用例，即给出自然数n的值。这里保证n小于10100。

输出格式：在一行内输出n的各位数字之和的每一位，拼音数字间有1 空格，但一行中最后一个拼音数字后没有空格。
输入样例：

1234567890987654321123456789

输出样例：

yi san wu

#include <iostream>
#include <string.h>
using namespace std;
#define maxn 101
int main(){
    char c[maxn];
    int a[maxn],b[5];
    int sum=0,t=0;
    gets(c);
    for (int i = 0; i < strlen(c); i++)
    {
        a[i]=(int)(c[i]-48);
    }
    for (int i = 0; i < strlen(c); i++)
    {
        sum+=a[i];
    }
    while (sum!=0)
    {
        b[t] = sum%10;
        sum = sum/10;
        ++t;
    }
    switch (b[t-1])
        {
        case 0:cout<<"ling";break;
        case 1:cout<<"yi";break;
        case 2:cout<<"er";break;
        case 3:cout<<"san";break;
        case 4:cout<<"si";break;
        case 5:cout<<"wu";break;
        case 6:cout<<"liu";break;
        case 7:cout<<"qi";break;
        case 8:cout<<"ba";break;        
        case 9:cout<<"jiu";break;
        default:
            break;
        }
    for (int i = t-2; i >= 0; i--)
    {
        switch (b[i])
        {
        case 0:cout<<" "<<"ling";break;
        case 1:cout<<" "<<"yi";break;
        case 2:cout<<" "<<"er";break;
        case 3:cout<<" "<<"san";break;
        case 4:cout<<" "<<"si";break;
        case 5:cout<<" "<<"wu";break;
        case 6:cout<<" "<<"liu";break;
        case 7:cout<<" "<<"qi";break;
        case 8:cout<<" "<<"ba";break;       
        case 9:cout<<" "<<"jiu";break;
        default:
            break;
        }
    }



    return 0;
}