C Program to calculate points based on Grade using the Switch statement

#inlcude<stdio.h>
int main()
{
  char grade;
  int points;
printf("\nEnter a grade(A-F):");
scanf("%c",&grade);
 switch(grade)
{
case 'A':
          points=5;
          printf("\nThe grade is A.");
         break;
case 'B':
     points=4;
     printf("\nThe grade is B.");
     break;
case 'C':
points=3;
     printf("\nThe grade is C.");
     break;
case 'D':
points=2;
     printf("\nThe grade is D.");
     break;
case 'E':
points=1;
     printf("\nThe grade is E.");
     break;
case 'F':
points=0;
     printf("\nThe grade is invalid.");
     break;
}
if(points>0)
 printf("\nPassed ,points earned=%d\n",points);
else
  printf("\nFailed ,no points earned\n");
return 0;
}