# C++ Program For Find A Grade Of Given Marks Using Switch Case

Problem:- C++ Program to Calculate Grade of Student or Program To Find Grade of Student in C++ Using IF ELSE Statement or
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Logic:- Logic is very simple for grade program in C++ using a switch case. Taking an input from the user(Input should be between range given 0 to 100 Else program play with you), as we know that grading system so divides the Mark by 10 and put the case condition in program See the below Explanation Step by step for better understanding.

Explanation:- So first divide the mark by 10 so we can get a reminder and as you can see in the program we use case 4 to case 10. So if the remainder is between 4 to 10 our case perform the particular grade operation and display the result See the Step By Step Example for each case may be in this grade problem.

Example:-

Case 1:- If the user is Over smart then there is a condition that if the mark given by the user is greater than 100 then our program display the Message "Don't Be Smart Enter your Marks Between Limit" or else perform the Else part.

Enter the Mark:- 1000
Output:- Don't Be Smart Enter your Marks Between Limit.

Case 2:- If the user is entering the marks between the 0 to 100 and then particular grade portion will be executed and display the output in Console screen.

Enter the Mark:- 95

This operation performs same for Grade B, C, D.

Case 3:- If Enter marks are not fulfilled the cases requirement than the program will perform the default case.

Enter the Mark:-25
Output:-You Grade Is: F or Fail

Also, see the program suggestion " Do Not show your Sheet to Your Parent "

Solution:-

#include<iostream>
using namespace std;

int main()
{
/*Visit www.programmingwithbasics.com*/
int marks;

/*This Is a Grade Checker Program*/
while(1)
{
cout<<"\n=========================================";
cout<<"\nThis Is a Grade Checker Program";
cout<<"\n-----------------------------------";
cout<<"\nEnter The Marks Between 0 To 100:";
cout<<"\n=========================================\n";

cout<<"\nEnter The Mark: ";
cin>>marks;

if(marks>100)
{
/* Marks greater than 100 */
cout<<"\nDon't Be Smart Enter your Marks Between Limit\n";
}
else
{
switch(marks/10)
{
case 10 :
case 9 :
/* Marks between 90-100 */
cout<<"\n=============================";
cout<<"\n=============================";
break;
case 8 :
case 7 :
/* Marks between 70-89 */
cout<<"\n=============================";
cout<<"\n=============================";
break;
case 6 :
/* Marks between 60-69 */
cout<<"\n========================";
cout<<"\n========================";
break;
case 5 :
case 4 :
/* Marks between 40-59 */
cout<<"\n========================";
cout<<"\n========================";
break;
default :
/* Marks less than 40 */
cout<<"\n================================================";
cout<<"\nYou Grade Is: F or Fail\n";
cout<<"\n================================================";
}
}
}
return 0;
}

Output:-