How to Find the Maximum Value and Its Index in a C# Unsorted Array?

Finding the Highest Value and Index in an Unsorted Numeric Array in C#

To determine both the maximum value and its corresponding index in an unsorted numeric array, such as your int[] anArray = { 1, 5, 2, 7 }, you can employ the following approach:

Approach:

1. Utilize the Max() method from the System.Linq namespace to identify the highest value in the array.
2. Convert the array to a list using ToList() to access its indexing capabilities.
3. Use IndexOf() on the converted list to determine the index of the maximum value.

Code:

using System.Linq;

int[] anArray = { 1, 5, 2, 7 };

// Find the maximum value
int maxValue = anArray.Max();

// Find the index of the maximum value
int maxIndex = anArray.ToList().IndexOf(maxValue);

// Display the results
Console.WriteLine($"Maximum Value: {maxValue}");
Console.WriteLine($"Index of Maximum Value: {maxIndex}");

Output:

Maximum Value: 7
Index of Maximum Value: 3

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