DS — reverse array [1, 2, 3, 4, 5, 6, 7, 8, 9] #25

Easy 20 pts New · no attempts yet csharp

Topics

Toolliyo edge

Reverse array in-place concept; print reversed.

Static hints

Swap i and n-1-i

Toolliyo Coach

Stuck? Get a nudge — not the answer

Progressive help: Nudge → Guide → Approach. Full solution stays behind the Solution tab.

Your solution

Editor is open — no login wall to practice.

Ready — edit the code above and click Run or Submit.

Official solution

using System;

class Program
{
    static void Main()
    {
        int[] a = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
        Array.Reverse(a);
        Console.WriteLine(string.Join(" ", a));
    }
}

Prefer Coach (Nudge → Guide → Approach) before revealing. No forced signup.

Explanation

Array.Reverse or two-pointer swap.

Prev Next All problems

DS — reverse array [1, 2, 3, 4, 5, 6, 7, 8, 9] #25

Stuck? Get a nudge — not the answer

Your solution

Official solution

Explanation

Your submissions

Discussion