DS — reverse array [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13] #9

Easy 20 pts New · no attempts yet csharp

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Reverse array in-place concept; print reversed.

Static hints

Swap i and n-1-i

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Official solution

using System;

class Program
{
    static void Main()
    {
        int[] a = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 };
        Array.Reverse(a);
        Console.WriteLine(string.Join(" ", a));
    }
}

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Explanation

Array.Reverse or two-pointer swap.

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DS — reverse array [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13] #9

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