题目：http://codeforces.com/contest/262/problem/A

#include 
     
      #include 
      
       #include 
       
        using namespace std;int main(){    int n,k;    cin >> n >> k;    int num;    int ans=0;    char digit[10];    for(int i=0;i
        
         > num;        int flag=1;        sprintf(digit,"%d",num);        int len = strlen(digit);        for(int j=0;j
         
          k)             {                flag=0;                break;            }        }        if(flag==1) ans++;    }    cout << ans <