grading.c

#include<stdio.h>
int main()
{
    int marks;
    printf("Enter a marks : ");
    scanf("%d",&marks);

    marks = marks/10;
    switch(marks) // 0 -- 10
    {
    case 10 :
        printf("A+\n");
        break;
    case 9:
        printf("A+\n");
        break;
    case 8:
        printf("A+\n");
        break;
    case 7:
        printf("A\n");
        break;
    case 6:
        printf("A-\n");
        break;
    case 5:
        printf("B\n");
        break;
    case 4:
        printf("C\n");
        break;
    case 3:
        printf("D\n");
        break;
    default:
        printf("F\n");
    }
    printf("haha");


    return 0;
}