AC

#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	int n,i,j,k;
	int a[10][10];
	scanf("%d",&n);
	for(i=1;i<=(n+1)/2;i++){
		for(j=1;j<=(n+1)/2;j++){
			a[i][j]=min(i,j);
			a[i][n+1-j]=a[n+1-i][j]=a[n+1-i][n+1-j]=a[i][j];
		}
	}
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			printf("%d ",a[i][j]);
		}
		printf("\n");
	}
	return 0;
}