Answer to Question #273727 in C++ for DANISH

Question

Write a C++ program that prints on the screen following diamond shape with given series of numbers.

1

2 3

4 5 6

7 8 9 10

11 12 13 14 15

16 17 18 19

20 21 22

23 24

25

Answer 1

#include <iostream>

using namespace std;

int main() {
  int x = 1, n = 0;
  for (int i = 0; i < 5; i++) {
    n++;
    for (int j = 0; j < n; j++) {
      cout << x++ << " ";
    }
    cout << "\n";
  }
  for (int i = 0; i < 5; i++) {
    n--;
    for (int j = 0; j < n; j++) {
      cout << x++ << " ";
    }
    cout << "\n";
  }
}