בן וסול | C# Online Compiler

בן וסול by benbenr6

using System;



public class Program
{
	public static void Main()
	{
		int choice;
		Console.WriteLine("Choose a method: \n1. Positive/Negative \n2. Pyramid \n3. f(x) = x^4+x^3-7x^2-x+6 \n4. Big or Small");
		choice = int.Parse(Console.ReadLine());
		
		while(true)
		{
			if(choice == 1)
			{
				Posnev();
				break;
			}

			else if(choice == 2)
			{
				Pyramid();
				break;
			}

			else if(choice == 3)
			{
				Function();
				break;
			}

			else if(choice == 4)
			{
				BigSmall();
				break;
			}

			else
			{
				Console.WriteLine("That is not an option.");
				Console.WriteLine("Choose a method: \n1. Positive/Negative \n2. Pyramid \n3. f(x) = x^4+x^3-7x^2-x+6 \n4. Big or Small");
				choice = int.Parse(Console.ReadLine());
			}	
		}
			
		
		
	}
	
	
	
	public static void Function()
	{
		int x;
		
		Console.WriteLine("Enter a value for x");
		x = int.Parse(Console.ReadLine());
		
		if(((x*x*x*x)+(x*x*x)-(7*x*x)-x+6) == 0)
		{
			Console.WriteLine("The value " + x + " IS a root of the equation");
		}
		
		else
		{
			Console.WriteLine("The value " + x + " IS NOT a root of the equation");
		}
	}
	
	
	public static void BigSmall()
	{
		int num1, num2;
			
		Console.WriteLine("Enter two numbers:");
		num1 = int.Parse(Console.ReadLine());
		num2 = int.Parse(Console.ReadLine());
		
		if (num1<num2)
		{
			Console.WriteLine("the second number is bigger. the difference is " + (num2-num1) + "."); 
		}
		
		else if (num1>num2)
		{
			Console.WriteLine("the first number is bigger. the difference is " + (num1-num2) + "."); 
		}
		
		else
		{
			Console.WriteLine("The numbers are equal");
		}
		
	}
	
	
	
	
	public static void Pyramid()
	{
		Console.WriteLine("How big should the pyramid be?");
		int size = int.Parse(Console.ReadLine());
		int i, j;
		
		for(i = 1; i <= size; i++)
		{
			for(j = 1; j <= i; j++)
			{
				Console.Write("\\");
			}
			Console.WriteLine();
		}
		
		for(i = size; i >= 1; i--)
		{
			for(j = 1; j <= i; j++)
			{
				Console.Write("/");
			}
			Console.WriteLine();
		}
	}
	
	
	
	
	
	
	
	
	
	
	public static void Posnev()
	{
		int num;
		
		Console.WriteLine("Enter a number");
		num = int.Parse(Console.ReadLine());
    	
		if(num > 0)
		{
			Console.WriteLine("Your number is positive");
		}
		
		else if(num < 0)
		{
			Console.WriteLine("Your number is negetive");
		}
		
		else
		{
			Console.WriteLine("Your number is 0");
		}
	}
}

​x
 
using System;
​
​
​
public class Program
{
    public static void Main()
    {
        int choice;
        Console.WriteLine("Choose a method: \n1. Positive/Negative \n2. Pyramid \n3. f(x) = x^4+x^3-7x^2-x+6 \n4. Big or Small");
        choice = int.Parse(Console.ReadLine());
        
        while(true)
        {
            if(choice == 1)
            {
                Posnev();
                break;
            }
​
            else if(choice == 2)
            {
                Pyramid();
                break;
            }
​
            else if(choice == 3)
            {
                Function();
                break;
            }
​
            else if(choice == 4)
            {
                BigSmall();
                break;
            }
​
            else
            {
                Console.WriteLine("That is not an option.");
                Console.WriteLine("Choose a method: \n1. Positive/Negative \n2. Pyramid \n3. f(x) = x^4+x^3-7x^2-x+6 \n4. Big or Small");
                choice = int.Parse(Console.ReadLine());
            }   
        }
            
        
        
    }
    
    
    
    public static void Function()
    {
        int x;
        
        Console.WriteLine("Enter a value for x");
        x = int.Parse(Console.ReadLine());
        
        if(((x*x*x*x)+(x*x*x)-(7*x*x)-x+6) == 0)
        {
            Console.WriteLine("The value " + x + " IS a root of the equation");
        }
        
        else
        {
            Console.WriteLine("The value " + x + " IS NOT a root of the equation");
        }
    }
    
    
    public static void BigSmall()
    {
        int num1, num2;
            
        Console.WriteLine("Enter two numbers:");
        num1 = int.Parse(Console.ReadLine());
        num2 = int.Parse(Console.ReadLine());
        
        if (num1<num2)
        {
            Console.WriteLine("the second number is bigger. the difference is " + (num2-num1) + "."); 
        }
        
        else if (num1>num2)
        {
            Console.WriteLine("the first number is bigger. the difference is " + (num1-num2) + "."); 
        }
        
        else
        {
            Console.WriteLine("The numbers are equal");
        }
        
    }
    
    
    
    
    public static void Pyramid()
    {
        Console.WriteLine("How big should the pyramid be?");
        int size = int.Parse(Console.ReadLine());
        int i, j;
        
        for(i = 1; i <= size; i++)
        {
            for(j = 1; j <= i; j++)
            {
                Console.Write("\\");
            }
            Console.WriteLine();
        }
        
        for(i = size; i >= 1; i--)
        {
            for(j = 1; j <= i; j++)
            {
                Console.Write("/");
            }
            Console.WriteLine();
        }
    }
    
    
    
    
    
    
    
    
    
    
    public static void Posnev()
    {
        int num;
        
        Console.WriteLine("Enter a number");
        num = int.Parse(Console.ReadLine());
        
        if(num > 0)
        {
            Console.WriteLine("Your number is positive");
        }
        
        else if(num < 0)
        {
            Console.WriteLine("Your number is negetive");
        }
        
        else
        {
            Console.WriteLine("Your number is 0");
        }
    }
}

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