Code:

#include <stdio.h>
#include <float.h> // For FLT_MIN and FLT_MAX

// Define the student structure
struct student {
    char name[50];
    char rollNumber[20];
    float marks;
};

int main() {
    // Initialize data for 6 students
    struct student students[6] = {
        {"Kandisa Vinay Vishnu Vardhan", "CL20250315011037946", 85.5},
        {"Matta Sai Venkat Poojith", "CL2025031501103341", 90.0},
        {"Mohammed Abdul Khayyum", "CL2025031501103352", 78.0},
        {"Mohammed Faizan Bin Haque", "CL2025031501103363", 88.5},
        {"N. Deepika", "CL2025031501103385", 92.0},
        {"Nukapeyyi Tanuja", "CL2025031501103374", 80.0}
    };

    float min = FLT_MAX, max = FLT_MIN, sum = 0;
    int topperIndex = 0;

    // Display student details and compute stats
    printf("Student Details:\n");
    for (int i = 0; i < 6; i++) {
        printf("Name: %s\n", students[i].name);
        printf("Roll Number: %s\n", students[i].rollNumber);
        printf("Marks: %.2f\n\n", students[i].marks);

        if (students[i].marks < min) {
            min = students[i].marks;
        }
        if (students[i].marks > max) {
            max = students[i].marks;
            topperIndex = i; // Track topper
        }
        sum += students[i].marks;
    }

    float average = sum / 6;

    printf("Minimum marks: %.2f\n", min);
    printf("Maximum marks: %.2f\n", max);
    printf("Average marks: %.2f\n\n", average);

    // Print topper details
    printf("Topper:\n");
    printf("Name: %s\n", students[topperIndex].name);
    printf("Roll Number: %s\n", students[topperIndex].rollNumber);

    return 0;
}