using System; using System.IO; using System.Linq; using System.Collections.Generic; namespace CSharp_Shell { public static class Program { public static int[,] Grid(int row, int col) { int[,] grid = new int[row, col]; Random random = new Random(); for (int i = 0; i <= row - 1; i++) { for (int j = 0; j <= col - 1; j++) { grid[i, j] = random.Next(1, 100); } } return grid; } public static void Print(int[,] matrix) { char[] rowChars = { 'R', 'O', 'W', 'S' }; byte line = 0; int rowCharCount = 0; bool first = true; Console.WriteLine("Rows: {0}", matrix.GetLength(0)); Console.WriteLine("Columns: {0}\n", matrix.GetLength(1)); while (line <= matrix.GetLength(1) * 1.3) { Console.Write(' '); line++; } line = 0; Console.Write("COLUMNS\n"); Console.Write(" "); while (line <= matrix.GetLength(1) * 3 - 2) { Console.Write("_"); line++; } Console.WriteLine(); for (int i = 0; i <= matrix.GetLength(0) - 1; i++) { for (int j = 0; j <= matrix.GetLength(1) - 1; j++) { string num = matrix[i, j].ToString(); if (num.Length < 2) { num = '0' + num; } if (j == 0 && rowCharCount < 4) { Console.Write("{0} |{1}|", rowChars[rowCharCount], num); first = false; } else if (j <= matrix.GetLength(1) - 2) { if (first) { Console.Write(" |"); } Console.Write("{0}|", num); first = false; } else if (j == matrix.GetLength(1) - 1) { Console.Write("{0}|", num); } } rowCharCount++; Console.WriteLine(); first = true; } line = 0; Console.Write(" "); while (line <= matrix.GetLength(1) * 3 - 2) { Console.Write("-"); line++; } } public static void FourLargest(int[,] matrix) { int isLargest = 0; int mFValue = 0; int[] res = new int[4]; int[] _row = new int[4]; int[] _col = new int[4]; for (int row = 0; row <= matrix.GetLength(0) - 1; row++) { for (int col = 0; col <= matrix.GetLength(1) - 1; col++) { if (col < matrix.GetLength(1) - 5) { mFValue = matrix[row, col] * matrix[row, col + 1] * matrix[row, col + 2] * matrix[row, col + 3]; if (mFValue > isLargest) { isLargest = mFValue; res[0] = matrix[row, col]; res[1] = matrix[row, col + 1]; res[2] = matrix[row, col + 2]; res[3] = matrix[row, col + 3]; _row[0] = row; _row[1] =row ; _row[2] =row ; _row[3] = row; _col[0] = col; _col[1] = col + 1; _col[2] = col + 2; _col[3] = col + 3; } } if (row < matrix.GetLength(0) - 5) { mFValue = matrix[row, col] * matrix[row + 1, col] * matrix[row + 2, col] * matrix[row + 3, col]; if (mFValue > isLargest) { isLargest = mFValue; _row[0] = row; _row[1] = row + 1; _row[2] = row + 2; _row[3] = row + 3; _col[0] = col; _col[1] = col ; _col[2] = col; _col[3] = col; res[0] = matrix[row, col]; res[1] = matrix[row+1, col]; res[2] = matrix[row +2, col ]; res[3] = matrix[row +3, col]; } } if (row < matrix.GetLength(0) - 4 && col < matrix.GetLength(1) - 4) { mFValue = matrix[row, col] * matrix[row + 1, col + 1] * matrix[row + 2, col + 2] * matrix[row + 3, col + 3]; if (mFValue > isLargest) { isLargest = mFValue; _row[0] = row; _row[1] = row + 1; _row[2] = row + 2; _row[3] = row + 3; _col[0] = col; _col[1] = col + 1; _col[2] = col + 2; _col[3] = col + 3; res[0] = matrix[row, col]; res[1] = matrix[row + 1, col + 1]; res[2] = matrix[row + 2, col + 2]; res[3] = matrix[row + 3, col + 3]; } } if (col > 3 && row < matrix.GetLength(1) - 4) { mFValue = matrix[row, col] * matrix[row + 1, col - 1] * matrix[row + 2, col - 2] * matrix[row + 3, col - 3]; if (mFValue > isLargest) { isLargest = mFValue; _row[0] = row; _row[1] = row + 1; _row[2] = row + 2; _row[3] = row + 3; _col[0] = col; _col[1] = col -1; _col[2] = col - 2; _col[3] = col - 3; res[0] = matrix[row, col]; res[1] = matrix[row + 1, col - 1]; res[2] = matrix[row + 2, col - 2]; res[3] = matrix[row + 3, col - 3]; } } } } Console.WriteLine("\n\nThe largest multiplication of 4 adjacent numbers vertically, horizontally or diagonally was found in:\nROW\t\t\tCOLUMN\t\t\tNUMBERS\n{0}\t\t\t {1}\t>>>>>>>>>\t{8}*\n{2}\t\t\t {3}\t>>>>>>>>>\t{9}*\n{4}\t\t\t {5}\t>>>>>>>>>\t{10}*\n{6}\t\t\t {7}\t>>>>>>>>>\t{11}*\n\nIN TOTAL {12}",_row[0] + 1, _col[0] + 1, _row[1] + 1, _col[1] + 1, _row[2] + 1, _col[2] + 1, _row[3] + 1, _col[3] +1, res[0], res[1], res[2], res[3], isLargest); } public static void Main() { int[,] matrix = Grid(10, 10); Print(matrix); FourLargest(matrix); Console.WriteLine("\n\nYou can change the size of the grid by changing Grid() method argument values.\nDefault set to 10x10 to fit mobile devices."); } } }

Random number matrix