#include 
     
      #include 
      
       using namespace std;class circle_number{   public:      void show();      void sequence();      circle_number(int);   protected:      vector
       
        
         > vec;      int num, loop, range, cur_number=0;};int main(int argc, char* argv[]){    int lim=10;    if ( argc > 1 ) lim=stoi(argv[1]);    circle_number number(lim);    number.sequence();    number.show();    return 0;}circle_number::circle_number(int n){   num=n;   range=num-1;   loop=num%2?(num+1)/2:num/2;   vec.assign(num, vector
         
          ());   for (int i=0; i!=num; ++i)        vec[i].assign(num,0);}void circle_number::show(){     for(int row=0; row!=num; ++row)     {         for (int col=0; col!=num-1; ++col)              cout<
          
           <<" "; cout<
           
            <