#include <iostream> int main() { int n; std::cin >> n; for (int i = 1; i <= n; i++) { for (int j = 1; j <= n - i; j++) { std::cout << " "; } for (int k = 1; k <= 2 * i - 1; k++) { std::cout << i; } std::cout << std::endl; } return 0; }