#include<bits/stdc++.h> using namespace std; int a[20][20]; int n; int main(){ cin>>n; for(int i=1;i<=n;i++){ int x=i; for(int j=1;j<=n;j++){ if(i<=j)a[i][j]=i; else a[i][j]=j; } } for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ cout<<setw(3)<<a[i][j]; } cout<<endl; } return 0; } /************************************************************** Problem: 1196 User: wuzihang Language: C++ Result: Accepted Time:8 ms Memory:2076 kb ****************************************************************/