C :

#include<stdio.h>
#include<math.h>
#include<string.h>
int check(int n,int d)
{
	int i,j,k=0,s,a[15];
	for(i=1000000000;i>=10;i=i/10)
	{
		if(n%i<n)
		{
		for(j=1;j<=1000000000;j=j*10)
		{if(i%j==0)
		k++;
		if(i%j!=0)
		break;
		}
		break;
        }
	}
	s=n;
	for(i=1;i<=k;i++)
	{
		a[i]=s%10;
		s=s/10;
	}
	for(i=1;i<=k;i++)
	{
		if(a[i]==d) return 0;
	}
	return 1;
} 


int main()
{
	int n,d;
	scanf("%d%d",&n,&d);
	if(check(n,d)==0) printf("true");
	if(check(n,d)==1) printf("false");
		return 0;
}

C++ :

#include<iostream>
#include<cstdio>
	using namespace std;
	bool check(int n,int d)
	{
	     while (n)   ////C++中 非0为真//
	     {
	           int e=n%10;
	           n/=10;
	           if (e==d) return true;
             }
	     return false;
	}	

	int main()
	{
	    int a,b;
	    //cout<<"input n,d"<<endl;
	    cin>>a>>b;
	     if (check(a,b)==true)  cout<<"true"<<endl;
	     else cout<<"false"<<endl;
	     return 0;
	}