C#: Check whether three given integer values are in the range 20..50 inclusive

Last update on June 25 2025 13:04:07 (UTC/GMT +8 hours)

Check Integers in Range 20-50

Write a C# Sharp program to check whether three given integer values are in the range 20..50 inclusive. Return true if 1 or more of them are in the said range otherwise false.

Visual Presentation:

C# Sharp: Basic Algorithm Exercises - Check whether three given integer values are in the range 20..50 inclusive.

Sample Solution:

C# Sharp Code:

using System;

// Namespace declaration
namespace exercises
{
    // Class declaration
    class Program
    {
        // Main method - entry point of the program
        static void Main(string[] args)
        {
            // Displaying the results of the 'test' method with different integer trios
            Console.WriteLine(test(11, 20, 12)); // Output: True
            Console.WriteLine(test(30, 30, 17)); // Output: True
            Console.WriteLine(test(25, 35, 50)); // Output: True
            Console.WriteLine(test(15, 12, 8));  // Output: False
            Console.ReadLine();                  // Keeping the console window open
        }

        // Method to test if at least one number in a trio is within the range 20 to 50 (inclusive)
        public static bool test(int x, int y, int z)
        {
            // Check if x is in the range [20, 50] OR y is in the range [20, 50] OR z is in the range [20, 50]
            // Return true if at least one of x, y, or z (or more) is within the specified range; otherwise, return false
            return (x >= 20 && x <= 50) || (y >= 20 && y <= 50) || (z >= 20 && z <= 50);
        }
    }
}

Sample Output:

True
True
True
False

Flowchart:

For more Practice: Solve these Related Problems:

Write a C# program to verify if at least two out of three integers fall in the range 20–50 inclusive.
Write a C# program to check whether all three given integers lie in different halves of the 20–50 range (i.e., 20–34 and 35–50).
Write a C# program to find the median of three integers if at least one lies in the 20–50 range.
Write a C# program that returns true if one value is in the 20–50 range and the other two are outside.

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