Editorial

Output in ascending order the first $n$ even natural numbers.

Algorithm implementation

Read the input value $n$ .

scanf("%d", &n);

Output the first $n$ even numbers.

for (i = 1; i <= n; i++)
    printf("%d ", 2 * i);

Java implementation

import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner con = new Scanner(System.in);
        int n = con.nextInt();
        for (int i = 1; i <= n; i++)
            System.out.print(2*i + " ");
        System.out.println();
        con.close();
    }
}

Python implementation

n = int(input())
for i in range(1,n+1):
    print(2*i, end = " ")
print()