zadacha 4

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

namespace ConsoleApp22
{
    class Program
    {
        static void Main(string[] args)
        {
            double s, p;
            int a, b, c,I=0,max=0,br=0;
            int[,] array = new int[6, 3];
            for (int i = 0; i < 6; i++)
                for (int j = 0; j < 3; j++)
                    array[i, j] = int.Parse(Console.ReadLine());
            for (int i = 0; i < 6; i++)
            { for (int j = 0; j < 3; j++)
                    Console.Write(array[i, j] + " ");
                   Console.WriteLine();
            }
            //a
            Console.WriteLine();
            for (int i = 0; i < 6; i++)
            {
                a = array[i,0];
                b = array[i, 1];
                c = array[i, 2];
                if(a+b>c && a+c>b && b + c > a)
                {
                    Console.Write((i+1) + " ");
                }

            }
            Console.WriteLine();
            Console.WriteLine("s = ");
            //b
            for (int i = 0; i < 6; i++)
            {
                a = array[i, 0];
                b = array[i, 1];
                c = array[i, 2];
                if (a + b > c && a + c > b && b + c > a)
                {
                    p = (a + b + c)/2.0;
                    s = Math.Sqrt(p * (p - a)*(p - b)*(p - c));
                    Console.Write( (i+1)+ " " + Math.Round(s,2) + " ");
                }

            }
            //c
            Console.WriteLine();
            Console.WriteLine();
            for (int i = 0; i < 6; i++)
            {
                a = array[i, 0];
                b = array[i, 1];
                c = array[i, 2];
                if (a + b > c && a + c > b && b + c > a)
                {
                    if (max < (a + b + c))
                    {
                        max = a + b + c;
                        I = i;
                    }

                }

            }
            Console.WriteLine( "max P =  " + max + " na red: " + (I+1));
            //d
            for (int i = 0; i < 6; i++)
            {
                a = array[i, 0];
                b = array[i, 1];
                c = array[i, 2];
                if (a + b > c && a + c > b && b + c > a)
                {
                    if (a == b && b == c)
                    {
                        br++;
                    }

                }

            }
            Console.WriteLine( " br na ravnostrannite e = " + br);
        }
    }
}
//4
//4
//4
//3
//3
//5
//-10
//3
//0
//10
//7
//4
//1
//0
//3
//3
//3
//3