Find and print the maximum value in { 3, 7, 2, 9, 1 }.
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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);
}
}Prefer Coach (Nudge → Guide → Approach) before revealing. No forced signup.
Track running max—O(n) time, O(1) space. Classic array interview question.
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