15-II(S)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Text.RegularExpressions;
using System.IO;


class MainClass
{

    struct BagageList : IComparable
    {
        string Name;
        int CountOfThings;
        double Weight;

        public BagageList(string Name, int CountOfThings, double Weight){
            this.Name = Name;
            this.CountOfThings = CountOfThings;
            this.Weight = Weight;

        }

        public bool checkBagage(double weight)
        {
            if (Weight / CountOfThings > weight)
                return true;
            else
                return false;
        }
        public int CompareTo(object obj)
        {
            BagageList person = (BagageList)obj;
            return this.CountOfThings.CompareTo(person.CountOfThings);
        }

        public override string ToString()
        {
            return String.Format("Фамилия: {0}; количество вещей в багаже: {1}; вес багажа: {2}\n", Name, CountOfThings, Weight);
        }




    }

    public static void Main(string[] args)
    {



        using (StreamWriter fileOut = new StreamWriter(@"C:/Users/karpenkoos/desktop/output.txt"))
        {
            using (StreamReader fileIn = new StreamReader(@"C:/Users/karpenkoos/desktop/input.txt"))
            {

                var a = fileIn.ReadToEnd().Split('\n');
                BagageList[] c = new BagageList[a.Length];
                for (int i = 0; i < a.Length; ++i)
                {
                    string[] temp = a[i].Split(' ');
                    c[i] = new BagageList(temp[0], int.Parse(temp[1]), double.Parse(temp[2]));
                }

              double weight = 12;
                    var answer = from u in c
                            where u.checkBagage(weight)
                            orderby u
                            select u;
              foreach (var v in answer)
                    fileOut.WriteLine(v);
            }
        }
    }
}