// C# program to create marksheet for students.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
class GFG{
static void Main(string[] args)
{
// Declare variables for marks and total
int r, marks1, marks2, marks3, total;
// Declare percentage variable
float percentage;
string n;
// Enter student roll number
Console.WriteLine(“Enter Student Roll Number :”);
r = Convert.ToInt32(Console.ReadLine());
// Enter student name
Console.WriteLine(“Enter Student Name :”);
n = Console.ReadLine();
// Enter student subject 1 marks
Console.WriteLine(“Enter Subject-1 Marks : “);
marks1 = Convert.ToInt32(Console.ReadLine());
// Enter student subject 2 marks
Console.WriteLine(“Enter Subject-2 Marks : “);
marks2 = Convert.ToInt32(Console.ReadLine());
// Enter student subject 3 marks
Console.WriteLine(“Enter Subject-3 Marks :”);
marks3 = Convert.ToInt32(Console.ReadLine());
// Calculate total marks
total = marks1 + marks2 + marks3;
// Calculate percentage
percentage = total / 3.0f;
// Display the final result
Console.WriteLine(“Final result of {0} is:”, n);
Console.WriteLine(“Total Marks : ” + total);
Console.WriteLine(“Percentage : ” + percentage);
// Calculate grades
if (percentage <= 35)
{
Console.WriteLine(“Grade is F”);
}
else if (percentage >= 34 && percentage <= 39)
{
Console.WriteLine(“Grade is D”);
}
else if (percentage >= 40 && percentage <= 59)
{
Console.WriteLine(“Grade is C”);
}
else if (percentage >= 60 && percentage <= 69)
{
Console.WriteLine(“Grade is B”);
}
else if (percentage >= 70 && percentage <= 79)
{
Console.WriteLine(“Grade is B+”);
}
else if (percentage >= 80 && percentage <= 90)
{
Console.WriteLine(“Grade is A”);
}
else if (percentage >= 91)
{
Console.WriteLine(“Grade is A+”);
}
}
}