Using System; using System. Io; namespace

Text 1. Fayl nomi va va natural sonlar berilgan. yangi matnli fayl hosil qilinsin va unga ta satri bor, uning har bir satriga ta “*” (yulduzcha) yozilsin.

Dasturning C# dagi ko’rinishi:

using System;
using System.IO;

namespace Text_1
{
    class Program
    {
        public static void Main(string[] args)
        {
            string s,a=null;int i,n,k;
            Console.Write("Fayl nomi kiriting: ");
            s=Console.ReadLine();
            Console.Write("n=");
            n=int.Parse(Console.ReadLine());
            Console.Write("k=");
            k=int.Parse(Console.ReadLine());
            StreamWriter b=File.AppendText(@"d:\"+s);
            for (i=0;i            for (i=0;iWriteLine(a);b.Close();
            Console.WriteLine(File.ReadAllText(@"d:\"+s));
            Console.ReadKey(true);
        }
    }
}

Natija:

Text 2. Fayl nomi va natural son berilgan . Yangi matnli fayl hosil qilinsin, uni ta satriga yozilsin: birinchi satriga kichik lotin “a” harfi, ikkinchisiga “ab”, uchinchisiga “abc” va h.k oxirgi satriga dastlabki ta kichik lotin harfi alifbo tartibida yozilsin.

Dasturning C# dagi ko’rinishi: