Answer to Question #329997 in C++ for milan

Question

Write a program in C++ to read a positive integer number n and to generate the numbers in the

following form.

For example,

Enter a number: 5

Output 5 4 3 2 1 0 1 2 3 4 5

Enter a number: 7

Output 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7

Answer 1

#include <iostream>

int main() {
  int n;
  std::cout << "Enter a number: ";
  std::cin >> n;
  for (int i = n; i >= 0; --i) {
    std::cout << i << ' ';
  }
  for (int i = 1; i <= n; ++i) {
    std::cout << i;
    if (i != n) std::cout << ' ';
  }
  std::cout << '\n';
  return 0;
}