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