using System;
using System.Linq;

namespace MyCompiler 
{
    class Program 
    {
        public static void Main(string[] args) 
        {
            PrintSeparator();
    		Evaluate(input: new int[] {3, 2, 1}, expectedOutput: new int[] {2, 3, 6});
    		PrintSeparator();
    		Evaluate(input: new int[] {1, 2, 3, 4, 5}, expectedOutput: new int[] {120, 60, 40, 30, 24});
    		PrintSeparator();
        }
        
        public static void Evaluate(int[] input, int[] expectedOutput)
    	{
    		var result = GetOptimizedProductOfAllOtherElements(input);
    		
    		Console.WriteLine("Input: [{0}]", string.Join(", ", input));
    		Console.WriteLine("ExpectedOutput: [{0}]", string.Join(", ", expectedOutput));
    		Console.WriteLine("Result: [{0}]", string.Join(", ", result));
    		Console.WriteLine("IsCorrect: [{0}]", Enumerable.SequenceEqual(result, expectedOutput));
    	}
        
        public static void PrintSeparator(int size = 64)
    	{
    		Console.WriteLine(string.Empty.PadLeft(size, '-'));
    	}
        
        public static int[] GetOptimizedProductOfAllOtherElements(int[] numbers)
        {
            var products = new int[numbers.Length];

            for (var i = 0; i < numbers.Length; i++)
            {
                products[i] = 1;

                for (var j = 0; j < numbers.Length; j++)
                {
                    if (i != j)
                    {
                        products[i] = products[i] * numbers[j];
                    }
                }
            }

            return products;
        }
    }
}