what are unique 3 degits number generated from 12345

Question

hello sirs/madams how to display 3 digits numbers from 5 digits 12345 no digit repeats thanks

Laxmidhar Sahoo · Answer

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace arraydigits { class Program { static void Main(string[] args) { int[] arr ={12345}; for (int i = 0; i { for (int j = 0; j { for (int k = 0; k { if ((arr[i] != arr[j]) && (arr[i] != arr[k]) && (arr[j] != arr[k])) { Console.Write(arr[i] +  + arr[j] + arr[k]); Console.WriteLine(); } } } } Console.ReadKey(); } } }

Nilesh Patil · Answer

Hi Refer below logic https://math.stackexchange.com/questions/790114/find-the-number-of-4-digit-numbers-that-can-be-formed-using-1-2-3-4-5-if-no

Ankit Sharma · Answer

you can get a similar question here https://stackoverflow.com/questions/18500747/how-can-we-generate-the-unique-combination-of-n-length-number-for-z-given-set-of

what are unique 3 degits number generated from 1,2,3,4,5