pat1005 Spell It Right

#include<cstdio>#include<iostream>#include<algorithm>#include<vector>#include<queue>#include<string>#include<cstring>#include<cmath>using namespace std;string a[10] = {"zero","one","two","three","four","five","six","seven","eight","nine"};int ans[100];int main(){  string s;  cin>>s;  int sum = 0;  for(int i = 0;i<s.length();i++)sum+=s[i]-'0';  int cnt = 0;  while(sum)  {    ans[cnt++] = sum%10;    sum/=10;  }  for(int i = cnt-1;i>0;i--)cout<<a[ans[i]]<<" ";  cout<<a[ans[0]]<<endl;  system("pause");  return 0;}