#include <iostream>
#include <cstdio>
using namespace std;
int main() {
	int n;
	cin >> n;
	for (int i = 1; i <= n*n; i++) {
		if (i < 10) cout << "0" << i;
		else cout << i;
		if (i % n == 0) cout << endl;
	}
	int cnt = 1;
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n-i; j++) {
			cout << " ";
		}
		while (cnt <= i*(i+1)/2) {
			if (cnt < 10) cout << "0" << cnt;
			else {
				cout << cnt;	
			}
			cnt++;
		}
		cout << endl;
	}
	return 0;
}

打的正方形没问题，就是三角形居中了，而不是靠右对齐。

求助大佬们！