1002 写出这个数

#include"iostream"
using namespace std;
string s[11] = {"ling","yi","er","san","si","wu","liu","qi","ba","jiu"};
int main() {
    int ans = 0;
    string str;
    cin>>str;
    for(int i = 0 ; i < str.length(); ++i)
        ans += str[i]-‘0‘;
    str = to_string(ans);
    for(int i = 0; i < str.length(); ++i) {
        cout<<s[str[i]-‘0‘];
        if( i < str.length()-1)
            cout<<" ";
    }
    return 0;
}