HashTable-FindFirstRecurringChar
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using System;
using System.Collections;
class Program
{
static void Main(string[] args)
{
int[] arr = { 1, 5, 8, 5, 1, 8, 8, 7, 4, 4, 10 };
Console.Write(FindFirstRecurringChar(arr));
}
static int FindFirstRecurringChar(int[] arr)
{
Hashtable h = new Hashtable();
for (int i = 0; i < arr.Length; i++)
{
if(h.ContainsKey(arr[i]))
{
return arr[i];
}
h[arr[i]] = arr[i];
}
return 0;
}
}
Csharp
INFO