#include <iostream> #include<cmath> #include<ctime> #include<string> #include <iomanip> #include <fstream> using namespace std; int main() { int rows; cin >> rows; for (int i = 1; i <= rows; i++) { for (int k = 1; k <= (rows -i); k++) { cout << " "; } for (int d = i; d > 1; d--) { cout << d << " "; } for (int v = 1; v <= i; v++) { cout << v<<" "; } cout << endl; } }