题意:

注意点:
一个字符串数组用法总结的网站
代码:
#include<iostream>
#include<cstring>
#include<string>
using namespace std;
int main()
{
char num[100];
string str[11]={"fu","ling","yi","er","san","si","wu", "liu","qi","ba","jiu"};
int i;
cin>>num;
for(i=0;i<strlen(num);i++)
{
if(num[i]==45)
cout<<str[0];
else if(num[i]==48)
cout<<str[1];
else if(num[i]==49)
cout<<str[2];
else if(num[i]==50)
cout<<str[3];
else if(num[i]==51)
cout<<str[4];
else if(num[i]==52)
cout<<str[5];
else if(num[i]==53)
cout<<str[6];
else if(num[i]==54)
cout<<str[7];
else if(num[i]==55)
cout<<str[8];
else if(num[i]==56)
cout<<str[9];
else if(num[i]==57){
cout<<str[10];
}
if(i!=strlen(num)-1){
cout<<' ';
}
}
return 0;
}