C++ :
#include<bits/stdc++.h> using namespace std; int q,a,z,w,s,x,e,d,c,r,f,v,t,g,b,y,h,n,u,j,m,i,k,o,l,p; int main(){ cin>>n>>x; for(i=1;i<=n;i++){ int q=i; while(q!=0){ s=q%10; q=q/10; if(s==x){ c++; } } } cout<<c; return 0; }
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