zadacha 2 // 6.3.2020

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

namespace ConsoleApp41
{
    class Program
    {
        static void Main(string[] args)
        {
            double av = 0, sum = 0;
            double[,] array = new double[6, 4];
            int i, j, br = 0;
            for (i = 0; i < 6; i++)
                for (j = 0; j < 4; j++)
                    array[i, j] = double.Parse(Console.ReadLine());
            for (i = 0; i < 6; i++)
            {
                for (j = 0; j < 4; j++)
                    Console.Write(array[i, j] + " ");
                Console.WriteLine();
            }
            //a
            for (i = 0; i < 6; i++)

            {
                if (array[i, 3] >= 5.50)
                    br++;
            }
            Console.WriteLine("br na otLichnicite e : " + br);
            //b
            br = 0;
            for (i = 0; i < 6; i++)
            {
                if (array[i, 1] >= 160)
                    br++;
            }
            Console.WriteLine("za otbora po basket sa : " + br);
            //c
            br = 0;
            for (i = 0; i < 6; i++)
            {
                if (array[i, 2] >= 65 && array[i, 0] >=11)
                    br++;
            }
            Console.WriteLine("za otbora  po borba sa : " + br);
            //d
            br = 0;
            for (i = 0; i < 6; i++)
                for (j = 0; j < 4; j++)
                {
                    if (array[i, 0] == 9 || array[i, 0] == 10)
                    {
                        sum = sum + array[i, 1];
                        br++;
                    }
                    av = sum / br;
                }

            Console.WriteLine("av = " + av);
            br = 0;
            //e
            for (i = 0; i < 6; i++)
                for (j = 0; j < 4; j++)
                {
                    br = 0;
                    if (array[i, 0] == 10 || array[i, 0] == 11 && array[i, 1] >=170 && array[i, 2] <=70)
                    {
                        br++;
                    }
                }
            Console.WriteLine("furbolen otbor = " + br);
        }
    }
}
/*
9
160
60
5,55
10
165
66
4,51
9
155
54
3,85
11
166
65
4,49
12
175
80
5,50
11
180
82
3,75
*/