AcWing 1477. 拼写正确(to_string 语法糖 ）

#include<bits/stdc++.h>
using namespace std;
char s[10][10]={"zero","one","two","three","four","five","six","seven","eight","nine"};
int main(){
    string p;
    cin>>p;
    int res=0;
    for(auto it:p){
        res+=it-'0';
    }
    p=to_string(res);
    for(auto it:p){
        cout<<s[it-'0']<<" ";
    }
}