public static void Main()
int[] arr = new int[10]{0,0,0,0,0,0,0,0,0,0};
Random rd = new Random();
for (int i = 0;i<arr.Length; i++)
arr[i] = rd.Next(100,1000);
Console.WriteLine(CountDigits(arr));
public static int[] CountDigits(int[] arr)
int[] a = new int [10]{0,0,0,0,0,0,0,0,0,0};
for(int i = 0 ; i < arr.Length ; i ++)
public static void PrintArray(int[] arr)
for (int i=0; i<arr.Length; i++)
Console.Write(arr[i] + " ");