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  1. using System;
  2. using System.Collections.Generic;
  3. public class Test
  4. {
  5.     class Program
  6. 	{
  7. 		 static int poteguj(int podst, int wyk)
  8.     	{
  9.         	int[] do_rozwazenia = new int[10];
  10.         	int pow = 1;
  11.         	for (int i = 0; i < 10; i++)
  12.         	{
  13.             	pow *= podst;
  14.             	for (int j = 0; j < i; j++)                
  15.                 	if (do_rozwazenia[j] == (pow % 10))
  16.                 	    return do_rozwazenia[(wyk - 1) % i];
  17.             	do_rozwazenia[i] = pow % 10;
  18.         	}
  19.         	return -1; 
  20.     	}
  21.  
  22.  
  23. 		public static void Main()
  24.         {
  25.             Convert.ToInt32(Console.ReadLine()); //to jest całkiem niepotrzebne, błąd w założeniu zadania
  26.             string temp_values = Console.ReadLine();
  27.             while(!String.IsNullOrEmpty(temp_values))
  28.             {
  29.             	string[] tv = temp_values.Split();
  30.             	if (tv.Length!=2) continue;
  31.                 int podstawa = Convert.ToInt32(tv[0]);
  32.                 int potega = Convert.ToInt32(tv[1]);
  33.                 Console.WriteLine(poteguj(podstawa, potega));
  34.                 temp_values = Console.ReadLine();
  35.             }
  36.         }
  37.     }
  38. }
Success #stdin #stdout 0.01s 131648KB
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https://ideone.com/X1wxZh
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
public

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