Write a C Program to Calculate Grade of Student

Write a C Program to Calculate Grade of Student

Program:

#include<stdio.h>
#include<conio.h>
int main()
{

    int mark[5], i;
    float sum=0,avg;
    printf("Enter marks obtained in 5 subjects :");
    for(i=0; i<5; i++)
    {
        scanf("%d",&mark[i]);
        sum=sum+mark[i];
    }
    avg=sum/5;
    printf("Your Grade is ");
    if(avg>80)
    {
        printf("A");
    }
    else if(avg>60 && avg<=80)
    {
        printf("B");
    }
    else if(avg>40 && avg<=60)
    {
        printf("C");
    }
    else
    {
        printf("D");
    }
    getch();
}
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Output:

Enter marks obtained in 5 subjects :82
56
20
35
44
Your Grade is C