#include<bits/stdc++.h> using namespace std; int main() { int i,n,j,s,a[99][99]; cin>>n; s=n; for(i=0;i<n*2+1;i++){ for(j=0;j<n*2+1;j++){ a[i][j]=max(abs(i-s),abs(j-s)); } } for(i=0;i<n*2+1;i++){ for(j=0;j<n*2+1;j++){ cout<<setw(2)<<a[i][j]; } cout<<endl; } return 0; } /************************************************************** Problem: 1209 User: zzz Language: C++ Result: Accepted Time:13 ms Memory:2072 kb ****************************************************************/