#include<bits/stdc++.h>
using namespace std;

signed main() {
    int n, x = 1;
    cin >> n;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n - i; j++) {
            if (x < 10) cout << 0 << x;
            else cout << x;
            x++;
        }
        cout << '\n';
    }
    return 0;
}

```cpp
#include<bits/stdc++.h>
#include <cstdio>
using namespace std;
int main(){
    int n,k=1;
    cin >> n;
    for(int i = 0;i <= n;i++){
        for(int j = 1;j<=n-i;j++){
            printf("%02d",k++);
        }
        cout << endl;
    }
    return 0;


}