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Understanding Buzz Number in C#

In this article, I am going to discuss the Buzz Number Program in C# with examples This detailed article will cover the following topics.

  1. Introduction
  2. What is Buzz Number?
  3. Algorithm to check Buzz Number
  4. Program to check whether a given number is a Buzz Number or not in C#
  5. Program to print Buzz Numbers between 1 to 100
  6. Conclusion

What is Buzz Number?

A Buzz number is a number that satisfies one of the following two conditions:

  • The number should be divisible by 7.
  • The number should end with the digit 7.

Examples

7 is a buzz number

Explanation: 7 is divisible by 7

27 is a buzz number

Explanation: 27 ends with 7

63 is a buzz number

Explanation: 63 is divisible by 7

97 is a buzz number

Explanation: 27 ends with 7

72 is not a buzz number

Explanation: 72 is neither divisible by 7 nor it ends with 7

Algorithm to check Buzz Number

To check whether the given number is a Buzz number or not, below are the steps.

  1. Get the input from the user that you want to check if it is a Buzz number
  2. Check if the number ends with 7 or is divisible by 7
  3. If the condition is true then it will print a buzz number
  4. If the condition is not true then print that it is not a buzz number.

Program to check whether a given number is a Buzz Number or not in C#

The following C# program will enable the user to enter a number and check whether the number is a Buzz number or not. Let's see.

internal class BuzzNumberIncSharp
{
    public static void Main()
    {
        try
        {
            Console.Write("Enter a number: ");
            var number = Convert.ToInt32(Console.ReadLine());

            if (IsBuzzNumber(number))
            {
                Console.WriteLine($"{number} is a Buzz Number!");
            }
            else
            {
                Console.WriteLine($"{number} is not a Buzz Number!");
            }
            Console.ReadLine();
        }
        catch (FormatException)
        {
            Console.WriteLine("Invalid input! Please enter a valid integer.");
        }
    }
    static bool IsBuzzNumber(int num)
    {
        return (num % 7 == 0 || num % 10 == 7);   // Check if divisible by 7 or ends with 7
    }
}

Output

Buzz Number

Enter number

Number

Program to print Buzz Numbers between 1 to 100

The following C# program will enable the user to print Buzz Numbers between 1 to 100. Let's see.

internal class BuzzNumberBetween1to100
{
    public static void Main()
    {
        Console.WriteLine("!! To Print Buzz Numbers Between 1 to 100 !!");
        Console.Write("Buzz Numbers: ");

        for (int num = 1; num <= 100; num++)
        {
            if (num % 7 == 0 || num % 10 == 7)
            {
                Console.Write(num + ", ");
            }
        }
        Console.ReadLine();
    }
}

Output

Output

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Conclusion

In this article, we have discussed how to check whether a given number is a buzz number or not in C# with examples.

I hope you enjoyed this blog. Follow C# Corner to learn more new and amazing things about C#.

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