Whats wrong in my code

#1

#include
using namespace std;

int main(){
int n,i,j;
cin>>n;
cout<<“1\n”;

if(n!=1){
    for(i=2; i<n;i++){
        cout<<i;
        for(j=2;j<i;j++){
            cout<<"0";
        }cout<<i;
        cout<<"\n";
    }
}

return 0;
}