// PROGRAM TO READ PERCENTAGE OF MARKS AND TO DISPLAY APROPRIATE MESSEGE (using switch statement)

#include<stdio.h>

void main()

{

  int marks;

  printf("enter your percentage:");

  scanf("%d",&marks);

  switch (marks/10)

  {

 case 9 :

       {  // 91 to 100

   printf("passed : ur grade is A");

   printf("dude get some help and get some life");

       } 

   break;

   case 8 :

      { // 80 to 89

   printf("passed : grade is B");

       }

   break;

   case 7:

       { // 70 to 79

   printf(" passed : your grade is C");

        }

   break;

   case 6:

        {  // 60 to 69

   printf(" passed : your grade is D");

         }

   break;

   case 5 :

         {  // 50 to 59

   printf("passed : your grade is E");

          } 

   break;

   default :

          {  // less than 50 

   printf(" sorry kid better luck next time ;)");

          }

   break;

   }

}