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desislava_topuzakova

10. Invalid Number

Jun 18th, 2022
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C# 0.63 KB | None | 0 0
  1. using System;
  2.  
  3. namespace _10._Invalid_Number
  4. {
  5.     internal class Program
  6.     {
  7.         static void Main(string[] args)
  8.         {
  9.            int number = int.Parse(Console.ReadLine());
  10.             //ВАЛИДНО -> [100…200] или е 0 -> печатаме нищо
  11.             //НЕВАЛИДНО -> ПЕЧАТАМ invalid
  12.  
  13.             bool isValidNumber = (number >= 100 && number <= 200) || number == 0;
  14.             //true -> валидно
  15.             //false -> невалидно
  16.  
  17.             if (!isValidNumber)
  18.             {
  19.                 Console.WriteLine("invalid");
  20.             }
  21.  
  22.         }
  23.     }
  24. }
  25.  
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