using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Seating Assignments:");

        Console.WriteLine();

        const int numRows = 8;

​

        // The following array represents the seating arrangement during Lab Day 13.

        // Each column of seating starts from the front of the room. 

        // If the seat is taken, enter the students name and year separated by a comma. No spaces.

        //   F = Freshman

        //   S = Sophomore

        //   J = Junior

        //   R = senioR

        // Print out the seating assigments in a tabular form.

        // Print out a report with the number of students present, the number and percentage of each group (F,S,J,R)

        // Counters for seats, present, each year

        string[][] Seats = new string[numRows][];

        Seats[0] = new string[] {"Sahil,R", "Charlie,R", "William,R", "Jerry,J"};

        Seats[1] = new string[] {"Andrew,R", "Ryan,S", "Scott,J", "Tony,R", "Rachel,R",""};

        Seats[2] = new string[] {"Tanya,R", "Zofi,J", "Cindy,F", "Matt,F", "Eric,S"};

        Seats[3] = new string[] {"Jack,R", "", "Cole,S", "", "Cam,J", ""};

        Seats[4] = new string[] {"Spencer,S", "", "Jake,S", "Jared,J", ""};

        Seats[5] = new string[] {"Esen,S", "", "Ethan,F", "", "Evan,R"};

        Seats[6] = new string[] {"", "Lilly,R", "", "Tommy,S", ""};

        Seats[7] = new string[] {"", "", "", "", ""};

        // Your code goes here.

        int numStudents = 0; 

        int numFreshman = 0; 

        int numSophomore = 0;

        int numJunior = 0; 

        int numSenior = 0; 

        foreach (string[] Row in Seats)

        {

            foreach (string Seat in Row)

            {

                // Process seat

                string[] word = Seat.Split(',');

​

                string name = "";

                string year = "";

                if (word.Length == 2)

                {

                    name = word[0].Trim();

                    year = word[1].Trim();

                }

                // print seats

                //Console.WriteLine("Name = {0}, Year={1}", name, year);

                switch (year)

                {

                    case "F":

                        numFreshman++; 

                        break;

                    case "S":

                        numSophomore++; 

                        break;

                    case "J":

                        numJunior++; 

                        break;

                    case "R": 

                        numSenior++; 

                        break;

                    default:

                        break;

                }

                // Print my report

                if (Seat != "") numStudents++;

                Console.Write("| " + name.PadRight(12));

            }

            Console.WriteLine(); 

        }

        Console.WriteLine("===================================================="); 

        Console.WriteLine("There are {0} students present in class.", numStudents); 

        Console.WriteLine("Freshman: {0}    {1:P1}",numFreshman, numFreshman*1.0/numStudents*1.0); 

        Console.WriteLine("Sophomores: {0}  {1:P1}", numSophomore, numSophomore*1.0/numStudents*1.0);

        Console.WriteLine("Juniors: {0}     {1:P1}", numJunior, numJunior*1.0/numStudents*1.0); 

        Console.WriteLine("Seniors: {0}     {1:P1}", numSenior, numSenior*1.0/numStudents*1.0); 

        Console.WriteLine("====================================================");  

    }

}