EX structs

ex.c

//gerenciar informações sobre alunos de um curso de ateísmo 

#include <stdio.h>
#include <stdlib.h>

struct Exam {
    char topic[50];
    float grade;
};

struct Student {
    char name[100];
    char code[100];
    struct Exam *exams;
};

struct Exam *constructExams() {
    //struct Exam exams[3];
    struct Exam *exams = malloc(sizeof(struct Exam) * 3);
    //são três avaliações, uma sobre os planetas, outra sobre os Jedi e uma sobre o enredo
    struct Exam planetsExam = {"planets", 0};
    struct Exam jediExam = {"jedi", 0};
    struct Exam plotExam = {"plot", 0};

    exams[0] = planetsExam;
    exams[1] = jediExam;
    exams[2] = plotExam;
    
    return exams;
}

float studentGradesAverage(struct Student student) {
    float total = 0;
    total += student.exams[0].grade;
    total += student.exams[1].grade;
    total += student.exams[2].grade;
    
    return total / 3;
}

float studentExamsAverage(struct Student student) {
    float total = 0;
    total += student.exams[0].grade;
    total += student.exams[1].grade;
    total += student.exams[2].grade;
    
    return total / 3;
}

float studentFirstTwoExamsAverage(struct Student student) {
    float total = 0;
    total += student.exams[0].grade;
    total += student.exams[1].grade;
    
    return total / 2;
}

void studentInspect(struct Student student) {
    printf("-----------------STUDENT-INSPECT---------------------\n");
    printf("    student name: %s\n", student.name);
    printf("    student code: %s\n", student.code);
    printf("    -----------------GRADES-INSPECT---------------------\n");
    printf("        student exam1 topic: %s\n", student.exams[0].topic);
    printf("        student exam1 grade: %.2f\n", student.exams[0].grade);
    printf("        ----------------------------------------------------\n");
    printf("        student exam2 topic: %s\n", student.exams[1].topic);
    printf("        student exam2 grade: %.2f\n", student.exams[1].grade);
    printf("        ----------------------------------------------------\n");
    printf("        student exam3 topic: %s\n", student.exams[2].topic);
    printf("        student exam3 grade: %.2f\n", student.exams[2].grade);
    printf("        ----------------------------------------------------\n");
    printf("        student first two grades average: %.2f\n", studentFirstTwoExamsAverage(student));
    printf("        student grades average: %.2f\n", studentExamsAverage(student));
}

//Implemente funções que recebam esse array como argumento para calcular médias e exibir informações


int main()
{
    // brazil is a catholic country i bet a school for atheists wont need many students
    int studentsNumber = 3;
    struct Student students[studentsNumber];
    
    // DRY is a meme
    struct Student student1 = {"Nil", "0001", constructExams()};
    student1.exams[0].grade = 6;
    student1.exams[1].grade = 4;
    student1.exams[2].grade = 7;
    students[0] = student1;
    
    struct Student student2 = {"Sena", "0002", constructExams()};
    student2.exams[0].grade = 3;
    student2.exams[1].grade = 4;
    student2.exams[2].grade = 1;
    students[1] = student2;
    
    struct Student student3 = {"Cloe", "0003", constructExams()};
    student3.exams[0].grade = 5;
    student3.exams[1].grade = 8;
    student3.exams[2].grade = 6;
    students[2] = student3;
    
    
    for(int i = 0; i < studentsNumber; i++) {
        studentInspect(students[i]);
    }
    //struct Student student = {"Nil", "0001", constructExams()};
    //studentInspect(student);
    
    return 0;
}