411

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

namespace zad_411
{
    class Program
    {
        static void Main(string[] args)
        {
            int n;
            Console.Write("Enter n: ");
            n = int.Parse(Console.ReadLine());
            Console.WriteLine("Array A");
            double[] A = enterValueForArray(n);
            Console.WriteLine("Array B");
            double[] B = enterValueForArray(n);
            Console.WriteLine("Array C");
            double[] C = enterValueForArray(n);

            double minElementA = getMinElementOfArray(A);
            double minElementB = getMinElementOfArray(B);
            double minElementC = getMinElementOfArray(C);

            Console.WriteLine("Min element for array A: {0}", minElementA);
            Console.WriteLine("Min element for array B: {0}", minElementB);
            Console.WriteLine("Min element for array C: {0}\n\n", minElementC);

            Console.WriteLine("Sum of min elements of all array is {0}",
                minElementA + minElementB + minElementC);


            for (int i = 0; i < n; i++)
            {
                C[i] = A[i] * B[n - i - 1] - Math.Pow(A[n - i - 1], 2);
            }

        }

        private static double getMinElementOfArray(double[] c)
        {
            double minElement = c[0];
            for (int i = 1; i < c.Length; i++)
            {
                if (minElement > c[i])
                {
                    minElement = c[i];
                }
            }

            return minElement;
        }

        private static double[] enterValueForArray(int n)
        {
            double[] arr = new double[n];
            for (int i = 0; i < n; i++)
            {
                Console.Write("Enter value for {0} element of array: ", i + 1);
                arr[i] = double.Parse(Console.ReadLine());
            }
            Console.WriteLine("\n\n");

            return arr;
        }
    }
}