This Project Defines the entry point for the console application.

#include <iostream>
#include <stdio.h>
#include <string.h>
#include <conio.h>

bool check_assignment_marks(float amarks)


{
if(amarks>=0&&amarks<=5)


{
return true;


}
else


{
return false;


}
}
bool check_quiz_marks(float qmarks)


{
if(qmarks>=0&&qmarks<=5)


{
return true;


}
else


{
return false;


}
}
bool check_project_marks(float pmarks)


{
if(pmarks>=0&&pmarks<=10)


{
return true;


}
else


{
return false;


}
}
bool check_midterm_marks(float mmarks)


{
if(mmarks>=0&&mmarks<=30)


{
return true;


}
else


{
return false;


}
}
bool check_final_marks(float fmarks)


{
if(fmarks>=0&&fmarks<=50)


{
return true;


}
else


{
return false;


}
}
float calculate_total_marks(float assignment, float quiz, float project, float midterm, float final)


{
float total=assignment+quiz+project+midterm+final;
return total;


}
char calculate_grade(float total_marks)


{
if(total_marks>=90)


{
return 'A';


}
else if(total_marks<90&&total_marks>=75)


{
return 'B';


}
else if(total_marks<75&&total_marks>=60)


{
return 'C';


}
else if(total_marks<60&&total_marks>=50)


{
return 'D';


}
else


{
return 'F';


}
}
int main()


{

char student_name[100];
char student_grade;
char student_roll_number[10];
float student_total_marks=0;

float assignment_marks=0, quiz_marks=0, project_marks=0, midterm_marks=0, final_marks=0;
bool check=false;




puts("Enter your name: ");


gets(student_name);

puts("Enter your Roll Number: ");


gets(student_roll_number);
puts("Enter your Assigments Marks (max marks are 5): ");
scanf("%f",&assignment_marks);
while(1)


{
check=check_assignment_marks(assignment_marks);
if(check==true)


{
break;


}
else


{
puts("Please enter Assignment Marks from 0 to 5: ");


assignment_marks=0;
scanf("%f",&assignment_marks);


}
}

puts("Enter your Quizes Marks(max marks are 5): ");
scanf("%f",&quiz_marks);



while(1)


{
check=check_quiz_marks(quiz_marks);
if(check==true)


{
break;


}
else


{
puts("Please enter Quiz marks from 0 to 5: ");


quiz_marks=0;
scanf("%f",&quiz_marks);


}
}

puts("Enter your Project Marks (max marks are 10): ");
scanf("%f",&project_marks);



while(1)


{
check=check_project_marks(project_marks);
if(check)


{
break;


}
else


{
puts("Please enter Project marks from 0 to 10: ");


project_marks=0;
scanf("%f",&project_marks);


}
}

puts("Enter your Midterm Paper Marks (max marks are 30): ");
scanf("%f",&midterm_marks);



while(1)


{
check=check_midterm_marks(midterm_marks);
if(check)


{
break;


}
else


{
puts("Please enter Midterm marks from 0 to 30: ");


midterm_marks=0;
scanf("%f",&midterm_marks);


}
}

puts("Enter your Final Paper Marks (max marks are 50): ");
scanf("%f",&final_marks);



while(1)


{
check=check_final_marks(final_marks);
if(check)


{
break;


}
else


{
puts("Please enter Final marks from 0 to 50: ");


final_marks=0;
scanf("%f",&final_marks);


}
}


student_total_marks=calculate_total_marks(assignment_marks,quiz_marks,project_marks,midterm_marks,final_marks);

student_grade=calculate_grade(student_total_marks);

if(student_grade=='F')


{
puts("Sorry! You have failed the exam. Your result is: ");
printf("Total Marks = %f\n",student_total_marks);
printf("Grade = %c\n\n",student_grade);


}
else


{
puts("Congratulations! You have passed the exam. Your result is: ");
printf("Total Marks = %f\n",student_total_marks);
printf("Grade = %c\n",student_grade);


}

puts("\n\nPress any key to close program");
char ch=getch();


}