I - You can say 11 大数整除问题-

• I - You can say 11

•  UVA - 10929 
• 注意string与字符的比较“ ”整体双引号，单个单引号‘’

• #include<bits/stdc++.h>
  using namespace std;
  int main()
  {
      char str[1555];
      int n,m;
      while(cin>>str)
      {
          if(strcmp(str,"0")==0)
              break;
          m=str[0]-'0';
          int len=strlen(str);
          for(int i=1; i<len; i++)
          {
              n=str[i]-'0'+m*10;
              m=n%11;
          }
          if(m==0)
              cout<<str<<" is a multiple of 11."<<endl;
          else
              cout<<str<<" is not a multiple of 11."<<endl;
      }
      return 0;
  }