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  1. using System;
  2.  
  3. namespace лабораторна_3
  4. {
  5.     class Program
  6.     {
  7.         static bool Reverse_number(int n)
  8.         {
  9.             int first = n;
  10.             int reverse = 0;
  11.             while (n != 0)
  12.             {
  13.                 int remainder = n % 10;
  14.                 reverse = reverse * 10 + remainder;
  15.                 n /= 10;
  16.             }
  17.             return (first == reverse ? true : false);
  18.         }
  19.         static void PrintAllRequiredNumbers(int n)
  20.         {
  21.             for (; n > 0; n--)
  22.             {
  23.                 if (Reverse_number(n))
  24.                 {
  25.                     if (Reverse_number(n*n))
  26.                     {
  27.                         Console.WriteLine(n);
  28.                     }
  29.                 }
  30.             }
  31.         }
  32.         static void Main(string[] args)
  33.         {
  34.             int n = Convert.ToInt32(Console.ReadLine());
  35.             PrintAllRequiredNumbers(n);
  36.         }
  37.     }
  38. }
Success #stdin #stdout 0.05s 24496KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/tCvDQs
language:
C# (NET 6.0)
created:
2 years ago
visibility:
public

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