https://www.luogu.com.cn/problem/P5725#submit

#include<iostream>
using namespace std;
int main(){
	int n;
	cin>>n;
	int a=1,b=1;
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++){
			if(a>=10){
				cout<<a;
			}
			else{
				cout<<"0"<<a;
			}
			a++;
		}
		cout<<endl;
	}
	cout<<endl;
	for(int i=1;i<=n;i++){
		int k=i;
		for(int j=1;j<=n-k;j++){
			cout<<" ";
		}
		for(int h=1;h<=k;h++){
			if(b>=10){
				cout<<b;
			}
			else{
				cout<<"0"<<b;
			}
			b++;
		}
		cout<<endl;
	}
	return 0;
}