1005.Spell It Right (20)

#include<cstdio>
#include<cstring>
#include<iostream>
using namespace std;
int main(){
char N[105];
gets(N);
int len=strlen(N);
int sum=0;
for(int i=0;i<len;i++)
sum+=(N[i]-'0');
char spell[10][7]={"zero","one","two","three","four","five","six","seven",
"eight","nine"};
int divice[5]={0},k;
if(sum==0)  divice[k++]=sum%10;
while(sum){
divice[k++]=sum%10;
sum/=10;
}
for(int i=k-1;i>=0;i--){
printf("%s", spell[divice[i]]);
if(i!=0)    putchar(' ');
}
return 0;
}