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README.md

1

: using System;

class Program {

static void Main()
{
    Console.WriteLine("  :");

    int a = int.Parse(Console.ReadLine());
    int b = int.Parse(Console.ReadLine());
    int c = int.Parse(Console.ReadLine());

    int resultA = Math.Pow(a, a >= 0 ? 2 : 4);
    int resultB = Math.Pow(b, b >= 0 ? 2 : 4);
    int resultC = Math.Pow(c, c >= 0 ? 2 : 4);

    Console.WriteLine($":");
    Console.WriteLine($"a = {a:F2} ? {resultA:F2}");
    Console.WriteLine($"b = {b:F2} ? {resultB:F2}");
    Console.WriteLine($"c = {c:F2} ? {resultC:F2}");
}

}

: : 1 2 4 : a = 1,00 ? 1,00 b = 2,00 ? 4,00 c = 4,00 ? 16,00

2

: using System;

class Program {

static void Main()
{
    Console.WriteLine("    (x1 y1):");
    string[] input1 = Console.ReadLine().Split();
    double x1 = double.Parse(input1[0]);
    double y1 = double.Parse(input1[1]);

    Console.WriteLine("    (x2 y2):");
    string[] input2 = Console.ReadLine().Split();
    double x2 = double.Parse(input2[0]);
    double y2 = double.Parse(input2[1]);

    //     
    double dist1Sqr = x1 * x1 + y1 * y1;  //    
    double dist2Sqr = x2 * x2 + y2 * y2;  //    

    //  
    Console.WriteLine($"   1   : {Math.Sqrt(dist1Sqr):F2}");
    Console.WriteLine($"   2   : {Math.Sqrt(dist2Sqr):F2}");

    //    
    if (dist1Sqr < dist2Sqr)
    {
        Console.WriteLine(" 1    .");
    }
    else if (dist1Sqr > dist2Sqr)
    {
        Console.WriteLine(" 2    .");
    }
    else
    {
        Console.WriteLine("        .");
    }
}

}

: (x1 y1): 2 5 (x2 y2): 4 7 1 : 5,39 2 : 8,06 1 .

3

: using System;

class Program {

static void Main()
{
    Console.WriteLine("    ( ):");

    Console.Write(" : ");
    double angle1 = double.Parse(Console.ReadLine());

    Console.Write(" : ");
    double angle2 = double.Parse(Console.ReadLine());

    // ,   
    if (angle1 <= 0 || angle2 <= 0)
    {
        Console.WriteLine("   (   ).");
        return;
    }

    //   
    double angle3 = 180 - angle1 - angle2;

    // ,   
    if (angle3 <= 0)
    {
        Console.WriteLine("   (   180).");
        return;
    }

    Console.WriteLine($" : {angle3:F2}");

    // ,   
    if (Math.Abs(angle1 - 90) < 1e-6 || Math.Abs(angle2 - 90) < 1e-6 || Math.Abs(angle3 - 90) < 1e-6)
    {
        Console.WriteLine("    .");
    }
    else
    {
        Console.WriteLine(" ,    .");
    }
}

}

: ( ): : 46 : 87 : 47,00 , .

7

: using System;

class Program {

static void Main()
{
    int a = int.Parse(Console.ReadLine());
    int b = int.Parse(Console.ReadLine());
    int c = int.Parse(Console.ReadLine());

    int min = Math.Min(Math.Min(a, b), c);
    int max = Math.Max(Math.Max(a, b), c);
    int sum = min + max;

    Console.WriteLine($": {min}");
    Console.WriteLine($": {max}");
    Console.WriteLine($": {sum}");
}

}

: 4 8 3 : 3 : 8 : 11