Lista 7 - Exercício 7

#include <stdio.h>
#define MAXNAME 41
#define MAXSTUD 3

struct grade {
    float test,test2,work,extra;
};

typedef struct stud {
    char matr[6],name[MAXNAME];
    struct grade grades;
}stud;

void inputStudents(stud students[]);
void showAll(stud students[]);
void showBestStud (stud students[]);
float showBiggerMed (stud students[]);
float medCalc(float test, float test2, float work, float extra);

int main() {

    struct stud students[MAXSTUD];

    inputStudents(students);
    printf("Lista com todos os alunos :\n");
    showAll(students);
    printf("\n\nLista com os alunos cuja media excede 7.0 :\n");
    showBestStud(students);
    printf("\n\nMaior media : %f\n",showBiggerMed(students));

    return 0;
}

void inputStudents(stud students[]) {
    int i;

    for (i = 0; i < MAXSTUD; i++) {
        printf("Entre com a matricula do aluno :\n");
        gets(students[i].matr);
        printf("Entre com o nome do aluno :\n");
        gets(students[i].name);
        printf("Entre com as notas das provas :\n");
        scanf("%f %f",&students[i].grades.test,&students[i].grades.test2);
        printf("Entre com o valor do trabalho :\n");
        scanf("%f",&students[i].grades.work);
        printf("Entre com o ponto extra :\n");
        scanf("%f",&students[i].grades.extra);

        if (students[i].grades.test >10 || students[i].grades.test < 0 || students[i].grades.test2 > 10 || students[i].grades.test2 < 0) {
            printf("Nota(s) invalida(s)!\n");
            i--;
        }
        fflush(stdin);
    }
}

void showAll(stud students[]) {
    int i;

    for (i = 0; i < MAXSTUD; i++) {
        printf("Matricula :%s\nNome : %s\nMedia : %f\n\n",students[i].matr,students[i].name,medCalc(students[i].grades.test,students[i].grades.test2,students[i].grades.work,students[i].grades.extra));
    }
}

void showBestStud (stud students[]) {
    int i;

    for (i = 0; i < MAXSTUD; i++) {
        if (medCalc(students[i].grades.test,students[i].grades.test2,students[i].grades.work,students[i].grades.extra) >= 7 )
            printf("Matricula :%s\nNome : %s\n\n",students[i].matr,students[i].name);

    }
}

float showBiggerMed (stud students[]) {
    int i;
    float bigger = 0;

    for (i = 0; i < MAXSTUD; i++)
        if (medCalc(students[i].grades.test,students[i].grades.test2,students[i].grades.work,students[i].grades.extra) > bigger)
            bigger = medCalc(students[i].grades.test,students[i].grades.test2,students[i].grades.work,students[i].grades.extra);

    return bigger;
}

float medCalc(float test, float test2, float work, float extra) {
    float med = (test + test2 + work + extra)/ 3;

    if (med > 10)
        return 10;
    else
        return med;
}