# include<iostream> using namespace std; int main(){ int n,c=0,d=0,m=1; cin>>n; int a[n][n]; for(int b=0;b<n/2+1;b++){ for(int i=d;i<n-c;i++){ for(int j=d;j<n-c;j++){ a[i][j]=m; } } m++; d++; c++; } for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ cout<<a[i][j]<<" "; } cout<<endl; } return 0; }