#include <stdio.h>
int main() { /*here is a
simply code that tell your grade accordinh to your number
c=lees than 30
b=more than or equal to 30 but less than 60
a=more than or equal to 60 but less than 90
A=more than or equal to 90 but less than 100
*/
char grade4 = 'c';
char grade3 = 'b'; char grade2 = 'a'; char grade1 = 'A'; int num; printf("enter your marks"); scanf("%d", &num); if (num
< 0)
{ printf("entre a valid number"); } else if (num >=0 && num <=30) { printf("%c", grade4); } else if (num >= 30 && num < 60) {
printf("%c", grade3);
}
else if (num >= 60 && num <= 80)
{
printf("%c", grade2);
}
else if (num > 80 && num <= 100)
{
printf("%c", grade1);
}
else
{
printf("enter a valid number"); } return 0; }
OUTPUT
enter your marks 60
a
enter your marks 90
A
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