#include <bits/stdc++.h> using namespace std; int main() { int m,n,t,s,sum=0; int a[100][100]; cin>>n; for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ a[i][j]=1; } } for(int i=0;i<n;i++){ a[i][n/2-i]=0; a[i][n/2+i]=0; a[n-i-1][n/2-i]=0; a[n-i-1][n/2+i]=0; a[n/2][n/2]=0; } for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ cout<<setw(3)<<a[i][j]; } cout<<endl; } return 0; } /************************************************************** Problem: 1327 User: Teio Language: C++ Result: Accepted Time:8 ms Memory:2072 kb ****************************************************************/