Solution7.cs

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

namespace cSharpSolutions
{
    internal class Solution7
    {
        public static double[] ProcessArrayStandard(double[] input)
        {
            double[] result = new double[input.Length];
            for (int i = 0; i < input.Length; i++)
                result[i] = input[i] * 2; // Example processing
            return result;
        }

        public static double[] ProcessArrayOptimized(double[] input)
        {
            var pool = ArrayPool<double>.Shared;
            double[] result = pool.Rent(input.Length);

            for (int i = 0; i < input.Length; i++)
                result[i] = input[i] * 2;

            double[] finalResult = result.Take(input.Length).ToArray();
            pool.Return(result);
            return finalResult;
        }

        public static void Run()
        {
            Console.WriteLine("=== Solution 7: ArrayPool Memory Optimization ===");

            double[] arr = Enumerable.Range(1, 10).Select(x => (double)x).ToArray();

            var standard = ProcessArrayStandard(arr);
            var optimized = ProcessArrayOptimized(arr);

            Console.WriteLine("Standard: " + string.Join(", ", standard));
            Console.WriteLine("Optimized: " + string.Join(", ", optimized));

            Console.WriteLine("\nSolution 7 complete");
        }
    }
}