13. Using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
var list = new List<string> { "black","red","yellow" };
list.Sort();
foreach (var value in list)
{
Console.WriteLine(value);
}
Console.ReadLine();
}
}
}
14. Using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Console.Write("footbalwinin nomerin 1-5 arasinda engiz:");
int n = Convert.ToInt32(Console.ReadLine());
switch (n)
{
case 1: Console.WriteLine("Nurbol"); break;
case2: Console.WriteLine("Abyl");break;
case3: Console.WriteLine("Maga");break;
case4: Console.WriteLine("Dastan");break;
case5: Console.WriteLine("Nurzhik");break;
}
Console.ReadKey();
}
}
}
15. Using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
int a;
int b;
int c;
double d;
Console.Write("a=");
a = Convert.ToInt32(Console.ReadLine());
Console.Write("b=");
b = Convert.ToInt32(Console.ReadLine());
Console.Write("c=");
c = Convert.ToInt32(Console.ReadLine());
Console.ReadKey();
d = b * b - 4 * a * c;
double x1, x2;
x1=(-b-Math.Sqrt(d))/(2*a);
x2=(-b+Math.Sqrt(d))/(2*a);
Console.Write(x1);
Console.Write(x2);
Console.ReadKey();
}
}