// Brute force approach - conceptual implementation
#include <stdio.h>
#include <stdlib.h>

// This represents the inefficient multi-query approach
// In practice, this would require database connectivity libraries

int* findTopStudents(int* resultSize) {
    int* result = malloc(1000 * sizeof(int));
    *resultSize = 0;
    
    // Pseudo-implementation of brute force approach
    // This would involve multiple database queries per student
    
    /*
    Step 1: Query all students
    char* studentsQuery = "SELECT student_id, major FROM students";
    
    For each student:
        Step 2: Check mandatory courses
        sprintf(mandatoryQuery, 
            "SELECT COUNT(*) as total_mandatory, "
            "SUM(CASE WHEN e.grade = 'A' THEN 1 ELSE 0 END) as a_grades "
            "FROM courses c "
            "LEFT JOIN enrollments e ON c.course_id = e.course_id "
            "WHERE c.major = '%s' AND c.mandatory = 'Yes' "
            "AND e.student_id = %d", major, student_id);
        
        Step 3: Check electives
        sprintf(electiveQuery,
            "SELECT COUNT(*) as electives_count "
            "FROM courses c "
            "JOIN enrollments e ON c.course_id = e.course_id "
            "WHERE e.student_id = %d AND c.major = '%s' "
            "AND c.mandatory = 'No' AND e.grade IN ('A', 'B')",
            student_id, major);
        
        Step 4: Check overall GPA
        sprintf(gpaQuery,
            "SELECT AVG(GPA) as avg_gpa "
            "FROM enrollments WHERE student_id = %d", student_id);
        
        Step 5: Evaluate conditions
        if (total_mandatory == a_grades && electives_count >= 2 && avg_gpa >= 2.5) {
            result[(*resultSize)++] = student_id;
        }
    */
    
    return result;
}