using System;

public class Program

{

    public static void Main()

    {

        const int numberOfRows = 10;

            const int numberOfColumns = 15;

            var matrix1 = RandomMatrix(numberOfRows, numberOfColumns, 0, 100);

            var matrix2 = matrix1;

​

            PrintMatrix(matrix1);

​

            //SetZeros(matrix1);

            SetZeros2(matrix2);

​

            Console.WriteLine();

​

            PrintMatrix(matrix1);

            Console.WriteLine();

            //AssortedMethods.PrintMatrix(matrix2);

​

           // Console.WriteLine(MatricesAreEqual(matrix1, matrix2) ? "Equal" : "Not Equal");

    }

    private static void SetZeros(int[][] matrix){

        var row = new bool[matrix.Length];

        var column = new bool[matrix[0].Length];

        for(var i=0;i< matrix.Length; i++){

            for(var j=0;j<matrix[0].Length;j++){

                if(matrix[i][j] == 0){

                    row[i] = true;

                    column[j] = true;

                }

            }

        }

        //Nullify rows

        for(var i=0;i < row.Length;i++){

            if(row[i]){

                NullifyRow(matrix,i);

            }   

        }

        //Nullify column

        for(var i=0;i < column.Length;i++){

            if(column[i]){

                NullifyColumn(matrix,i);

            }   

        }   

    }

    private static void SetZeros2(int[][] matrix){

        var rowHasZero = false;

        var colHasZero = false;

        //Check if first row has a zero

        for(var j=0; j < matrix[0].Length;j++){

            if(matrix[0][j] == 0){

                rowHasZero = true;

                break;

            }

        }

        //Check if first col has a zero

        for(var j=0; j < matrix.Length;j++){

            if(matrix[j][0] == 0){

                colHasZero = true;

                break;

            }

        }

        //check for zeros in the rest of the array

        for(var i=0; i < matrix.Length;i++){

            for(var j=0; j < matrix[0].Length;j++){

                if(matrix[i][j] == 0){

                    matrix[i][0] = 0;

                    matrix[0][j] = 0;

                }

            }

        }

        for(var i=1; i < matrix.Length; i++)

        {

            if(matrix[i][0] == 0){

                NullifyRow(matrix,i);

            }

        }

        for(var i=1; i < matrix[0].Length; i++)

        {

            if(matrix[0][i] == 0){

                NullifyColumn(matrix,i);

            }

        }

        if(rowHasZero){

            NullifyRow(matrix,0);

        }

        if(colHasZero){

            NullifyColumn(matrix,0);

        }

    }

    private static void NullifyRow(int[][] matrix,int row){

        for(int i=0; i < matrix[0].Length; i++)

        {

                matrix[row][i] = 0;

        }

    }

    private static void NullifyColumn(int[][] matrix,int column){

        for(int i=0; i < matrix.Length; i++)

        {

                matrix[i][column] = 0;

        }

    }

    private static readonly Random RandomIntNumbers = new Random();

    public static int RandomInt(int n)

        {

            return RandomIntNumbers.Next(n);

        }

​

        public static int RandomIntInRange(int min, int max)

        {

            return RandomInt(max + 1 - min) + min;

        }

    public static int[][] RandomMatrix(int m, int n, int min, int max)

        {

            int[][] matrix = new int[m][];

            for (int i = 0; i < m; i++)

            {

                matrix[i] = new int[n];

                for (int j = 0; j < n; j++)

                {

                    matrix[i][j] = RandomIntInRange(min, max);

                }

            }

            return matrix;

        }

    public static void PrintMatrix(int[][] matrix)

        {

            for (int i = 0; i < matrix.Length; i++)

            {

                for (int j = 0; j < matrix[i].Length; j++)

                {

                    if (matrix[i][j] < 10 && matrix[i][j] > -10)

                    {

                        Console.Write(" ");

                    }

                    if (matrix[i][j] < 100 && matrix[i][j] > -100)

                    {

                        Console.Write(" ");

                    }

                    if (matrix[i][j] >= 0)

                    {

                        Console.Write(" ");

                    }

                    Console.Write(" " + matrix[i][j]);

                }

                Console.WriteLine();

            }

        }

}