Find maximum in array

Easy 20 pts New · no attempts yet csharp

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Find and print the maximum value in { 3, 7, 2, 9, 1 }.

Static hints

Initialize max with arr[0].

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Official solution

using System;

class Program
{
    static void Main()
    {
        int[] arr = { 3, 7, 2, 9, 1 };
        int max = arr[0];
        foreach (var x in arr)
            if (x > max) max = x;
        Console.WriteLine(max);
    }
}

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Explanation

Track running max—O(n) time, O(1) space. Classic array interview question.

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Find maximum in array

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