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27. Write a c program to read mark data which contains roll no, name, sub1, sub2, sub3 file and generate the annual examination results are tabulated as follows

Roll no Name Sub1 Sub2 Sub3 Total per % Class​

Introduction

Code

Practical-27.c
#include <stdio.h>

void main()
{
    int rollNo, sub1, sub2, sub3, total;
    float percentage;
    char name[30];
    char class[5];

    // Read the roll number, name, and marks of the student
    printf("Enter roll number: ");
    scanf("%d", &rollNo);

    printf("Enter name: ");
    scanf("%s", name);

    printf("Enter marks of subject 1: ");
    scanf("%d", &sub1);

    printf("Enter marks of subject 2: ");
    scanf("%d", &sub2);

    printf("Enter marks of subject 3: ");
    scanf("%d", &sub3);

    // Calculate total and percentage
    total = sub1 + sub2 + sub3;
    percentage = (float)total / 3;

    // Determine the class based on percentage
    if (percentage >= 60)
    {
        sprintf(class, "First");
    }
    else if (percentage >= 50)
    {
        sprintf(class, "Second");
    }
    else if (percentage >= 40)
    {
        sprintf(class, "Pass");
    }
    else
    {
        sprintf(class, "Fail");
    }

    // Display the result
    printf("\nResult\n");
    printf("---------------------------------------------------\n");
    printf("Roll No. Name Sub1 Sub2 Sub3 Total Per %% Class\n");
    printf("---------------------------------------------------\n");
    printf("%d %s %d %d %d %d %.2f %s\n", rollNo, name, sub1, sub2, sub3, total, percentage, class);


}

Output