The number of n-digit numbers is 3. (Discussion)

1. alirzayeva12•Mar 6, 2026, 8:21 AM

   #include <bits/stdc++.h>using namespace std;

   int main() {long long n,m,l,r; cin>>n>>m;l=pow(10,n-1);r=pow(10,n)-1;if (m<l)cout<<0;elsecout<<min(m,r)-l+1;}