#include<bits/stdc++.h> using namespace std; int main(){ int i,a[10][10]={0},n,j; cin>>n; for(i=0;i<n;i++){ a[i][n-1-i]=1; } for(i=0;i<n;i++){ for(j=0;j<n;j++){ cout<<a[i][j]; } cout<<endl; } } /************************************************************** Problem: 1191 User: jiangyuanfeng Language: C++ Result: Wrong Answer ****************************************************************/