#include<bits/stdc++.h> using namespace std; int main(){ int a[10][10] = {0}; int i,j,n; cin>>n; for (i=0;i<n;i++){ for (j = 0;j <= i;j++){ a[i][j]=i+1; a[j][i]=i+1; } } for (i=0;i<n;i++){ for (j=0;j<n;j++){ cout<<setw(3)<<a[i][j]; } cout<<endl; } }