Question

How to remove continued repeated digits in a given number with C#

Answer 1

using System;

public class Program
{
	private static long removeRepeatedDigits(long n) {
		long previous_digit = n % 10;

		long tens_hundreds_thousands_and_more = 10;
		long result = previous_digit;

		while (n != 0) {
			long current_digit = n % 10;

			if (current_digit != previous_digit) {
				result += current_digit * tens_hundreds_thousands_and_more;

				previous_digit = current_digit;
				tens_hundreds_thousands_and_more *= 10;
			}

			n = n / 10;
		}

		return result;
	}
	public static void Main(string[] args)
	{
		long n = 951112722221333331L;

		n = removeRepeatedDigits(n);

		Console.Write(n);
	}
}





/*
run:

951272131
   
*/

 

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