1002. 写出这个数 (20)

#include<stdio.h>#include<string.h>int main(){  char s[101],*p,temp[10][5]={"ling","yi","er","san","si","wu","liu","qi","ba","jiu"};  int sum=0;  scanf("%s",s);  p=s;  while(*p!='\0')  {    sum +=*p-'0';    p++;  }  if(sum/100!=0)    printf("%s ",temp[sum/100]);  if((sum/100!=0) || (sum/100==0&&sum%100/10!=0))    printf("%s ",temp[sum%100/10]);  printf("%s",temp[sum%10]);  return 0;}