Product array puzzle | C# Online Compiler

Product array puzzle by Ayush_Agarwal

using System;

public class Program
{
	public void product(int[] arr)
	{
		int total = 1;
		int[] mul = new int[arr.Length];
		for (int i = 0; i < arr.Length; i++)
		{
			total = total * arr[i];
		}

		for (int i = 0; i < arr.Length; i++)
		{
			mul[i] = total / arr[i];
		}

		for (int i = 0; i < mul.Length; i++)
		{
			Console.Write("{0},", mul[i]);
		}
	}

	public void alternate(int[] arr)
	{
		int[] left = new int[arr.Length];
		int[] right = new int[arr.Length];
		int[] mul = new int[arr.Length];
		int leftpro = 1;
		int rightpro = 1;
		left[0] = 1;
		for (int i = 1; i < arr.Length; i++)
		{
			leftpro = leftpro * arr[i - 1];
			left[i] = leftpro;
		}

		right[arr.Length - 1] = 1;
		for (int i = arr.Length - 2; i >= 0; i--)
		{
			rightpro = rightpro * arr[i + 1];
			right[i] = rightpro;
		}

		for (int i = 0; i < right.Length; i++)
		{
			mul[i] = left[i] * right[i];
			Console.Write("{0},", mul[i]);
		}
	}

	public static void Main()
	{
		int[] arr = new int[]
		{
			10,
			3,
			5,
			6,
			2
		};
		Program p = new Program();
		p.product(arr);
		Console.WriteLine();
		p.alternate(arr);
	}
}

​x
 
using System;
​
public class Program
{
    public void product(int[] arr)
    {
        int total = 1;
        int[] mul = new int[arr.Length];
        for (int i = 0; i < arr.Length; i++)
        {
            total = total * arr[i];
        }
​
        for (int i = 0; i < arr.Length; i++)
        {
            mul[i] = total / arr[i];
        }
​
        for (int i = 0; i < mul.Length; i++)
        {
            Console.Write("{0},", mul[i]);
        }
    }
​
    public void alternate(int[] arr)
    {
        int[] left = new int[arr.Length];
        int[] right = new int[arr.Length];
        int[] mul = new int[arr.Length];
        int leftpro = 1;
        int rightpro = 1;
        left[0] = 1;
        for (int i = 1; i < arr.Length; i++)
        {
            leftpro = leftpro * arr[i - 1];
            left[i] = leftpro;
        }
​
        right[arr.Length - 1] = 1;
        for (int i = arr.Length - 2; i >= 0; i--)
        {
            rightpro = rightpro * arr[i + 1];
            right[i] = rightpro;
        }
​
        for (int i = 0; i < right.Length; i++)
        {
            mul[i] = left[i] * right[i];
            Console.Write("{0},", mul[i]);
        }
    }
​
    public static void Main()
    {
        int[] arr = new int[]
        {
            10,
            3,
            5,
            6,
            2
        };
        Program p = new Program();
        p.product(arr);
        Console.WriteLine();
        p.alternate(arr);
    }
}

Compilation error (line 1, col 13): Syntax error, ',' expected
Compilation error (line 1, col 40): ; expected
Compilation error (line 1, col 40): Type or namespace definition, or end-of-file expected
Compilation error (line 34, col 19): ; expected
Compilation error (line 41, col 18): ; expected
Compilation error (line 20, col 22): The type or namespace name 'Action<>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 23, col 22): The type or namespace name 'Action<>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 16, col 17): The type or namespace name 'reist<>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 17, col 17): The type or namespace name 'reist<>' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 74, col 20): The type or namespace name 'DateTime' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 1, col 2): The type or namespace name 'Review' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 1, col 9): The variable 'the' is declared but never used
Compilation error (line 34, col 13): The type or namespace name 'v' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 34, col 19): The name 'item' does not exist in the current context
Compilation error (line 34, col 26): The name 'ms' does not exist in the current context
Compilation error (line 35, col 7): The name 'item' does not exist in the current context
Compilation error (line 36, col 16): The type or namespace name 'Exception' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 40, col 13): The name 'item' does not exist in the current context
Compilation error (line 43, col 17): The name 'item' does not exist in the current context
Compilation error (line 34, col 15): The variable 'var' is declared but never used
Compilation error (line 59, col 25): The name 'DateTime' does not exist in the current context

Last Run:	2:40:50 pm
Compile:	0.008s
Execute:	0s
Memory:	0b
CPU:	0s

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