How Do I Change The Code?

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Hello Dear Coders
Here is a code for to find the highest mark(grade) in the class.What about if 2 or more students get the same high mark(grade)? john 90,david 90 ?

C#

using System;
namespace sample1
{
    class Program
    {
        public static void Main(string[] args)
        {
            int c, HighMark=0, place=0;
            String [] A={"John", "David","Clare","Robert","Michael","Peter","Steve","Daniel","Alex","Bart"};
            int [] B={56,78,95,23,95,87,61,77,45,33};
            for (c=0;c<=B.Length-1;c++){
                if(B[c]>= HighMark){
                    HighMark=B[c];
                    place=c; }
            }
            Console.WriteLine("The Person Get The Highest Mark: "+A[place]);
            Console.Write("Press any key to continue . . . ");
            Console.ReadKey(true);
        }
    }
}

Posted 28-Dec-14 8:52am

TheC0nquer0r

Updated 28-Dec-14 9:37am

v3

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Comments

Wendelius 28-Dec-14 15:12pm

First of all, you should define what is the ordering in case of two or more exact same highest rank. Do you want to retrieve them in alphabetical order, based on the length of the name, something else?

TheC0nquer0r 28-Dec-14 15:28pm

yes may be.As far as i know,i must use second FOR But it didnt work....

Wendelius 28-Dec-14 15:36pm

Let me ask again, two persons have the same rank, how should they be ordered and displayed?

TheC0nquer0r 28-Dec-14 15:40pm

for example john 95 and peter 95.Display John ,Peter

Afzaal Ahmad Zeeshan 28-Dec-14 15:16pm

Do you want to show them all, or just one item?

TheC0nquer0r 28-Dec-14 15:20pm

2 name is enough for me

TheC0nquer0r 10-Jan-15 11:46am

Thank you for everyone for helped me.

2 solutions

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Wendelius · Accepted Answer · 2014-12-28T09:51:00

One possibility is to gather the highest marks into a separate list and display the list content in the end. Something like

C#

static void Main(string[] args)
{
   System.Collections.Generic.List<int> places = new System.Collections.Generic.List<int>();
   int HighMark = 0;
   String[] A = { "John", "David", "Clare", "Robert", "Michael", "Peter", "Steve", "Daniel", "Alex", "Bart" };
   int[] B = { 56, 78, 95, 23, 95, 87, 61, 77, 45, 33 };
   for (int counter = 0; counter <= B.Length - 1; counter++)
   {
      if (B[counter] > HighMark)
      {
         places.Clear();
         places.Add(counter);
         HighMark = B[counter];
      }
      else if (B[counter] == HighMark)
      {
         places.Add(counter);
      }
   }
   foreach (int place in places)
   {
      Console.WriteLine("The Person Get The Highest Mark: " + A[place]);
   }
   Console.Write("Press any key to continue . . . ");
   Console.ReadKey(true);
}</int></int>

BillWoodruff · Accepted Answer · 2014-12-28T10:39:00

Using Linq it becomes very easy to produce an ordered set of grades/students with the highest-score:

C#

// required
using System.Collections.Generic;
using System.Linq;

private void ReportGrades()
{
    String[] A = { "John", "David", "Clare", "Robert", "Michael", "Peter", "Steve", "Daniel", "Alex", "Bart" };

    int[] B = { 56, 78, 95, 23, 95, 87, 61, 77, 45, 33 };

    Dictionary<int,List<string>> grades = new Dictionary<int,List<string>>();

    for (int i = 0; i < A.Length; i++)
    {
        if (! grades.Keys.Contains(B[i])) grades[B[i]] = new List<string>();

        grades[B[i]].Add(A[i]);
    }

    var gradesDescending = grades.OrderByDescending(grade => grade.Key).ToList();

    foreach (var gradeResult in gradesDescending)
    {
        Console.Write("Grade: {0}\t", gradeResult.Key.ToString());

        foreach (var name in gradeResult.Value)
        {
            Console.Write("{0} ", name);
        }

        Console.WriteLine();
    }
}

// sample output:

Grade: 95	Clare Michael 
Grade: 87	Peter 
Grade: 78	David 
Grade: 77	Daniel 
Grade: 61	Steve 
Grade: 56	John 
Grade: 45	Alex 
Grade: 33	Bart 
Grade: 23	Robert </string>

How Do I Change The Code?

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