hi , my probleam cannot display output.. please comment so that i can fix the error
Code:
#include <stdio.h>
int main()
{
int marks;
printf("Enter Mark :");
scanf("%d", &marks);
switch (marks)
{
case 1: if( marks > 80 && marks < 100)
printf( " Grad A");
break;
case 2: if(marks > 70 && marks < 79 )
printf( " Grad B");
break;
case 3: if( marks > 60 && marks < 69)
printf( " Grad C");
break;
case 4: if( marks >50 && marks < 59)
printf( " Grad D");
break;
case 5: if( marks > 40 && marks < 49)
printf( " Grad D");
break;
default: if( marks < 39)
printf( " Grade F");
}
}