Task_9

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