zp1115.cpp

一个acm题目系统会自动删除debug和release目录

#include <stdio.h>
#include <string.h>

int main(int argc, char* argv[])
{
  int v,i,m;
  char s[1000];
  while (scanf("%s",s) && s[0]!='0')
  {
    v=0;
    for (i=0;i<strlen(s);i++)
      v+=s[i]-'0';
    while (v>9)
    {
      printf("%d\n",v);
      m=0;
      while (v)
      {
        m+=v%10;
        v=v/10;
      }
      v=m;
    }
    printf("%d\n",v);
  }
  return 0;
}