Student Marks Calculation


#include <stdio.h>
#define NUM_STUDENTS 3
#define NUM_SUBJECTS 3

// Define a structure for student details
struct Student {
    int marks[NUM_SUBJECTS];
    int totalMarks;
};

int main() {
    struct Student students[NUM_STUDENTS] = {{0}, {0}, {0}};

    // Read marks for each student and subject
    for (int i = 0; i < NUM_STUDENTS; i++) {
        printf("Enter marks for Student %d:\n", i + 1);
        for (int j = 0; j < NUM_SUBJECTS; j++) {
            printf("Enter marks for Subject %d: ", j + 1);
            scanf("%d", &students[i].marks[j]);
            students[i].totalMarks += students[i].marks[j];
        }
    }

    // Print total marks scored by each student
    printf("\nTotal marks scored by each student:\n");
    for (int i = 0; i < NUM_STUDENTS; i++) {
        printf("Student %d Total Marks: %d\n", i + 1, students[i].totalMarks);
    }

    // Calculate subject-wise total marks
    int subjectTotal[NUM_SUBJECTS] = {0};
    for (int i = 0; i < NUM_STUDENTS; i++) {
        for (int j = 0; j < NUM_SUBJECTS; j++) {
            subjectTotal[j] += students[i].marks[j];
        }
    }

    // Print total marks scored in each subject
    printf("\nTotal marks scored in each subject:\n");
    for (int j = 0; j < NUM_SUBJECTS; j++) {
        printf("Subject %d Total Marks: %d\n", j + 1, subjectTotal[j]);
    }

    return 0;
}