#ifndef COD_H_INCLUDED
#define COD_H_INCLUDED

/// 1
void VerificareLitera() {
    char c;
    printf("c = ");
    c = getchar();
    if(c >= 'A' && c <= 'Z')
        c -= ('A' - 'a');
    printf("%c\n", c);
}

/// 2
void Operatie() {
    int a, b, rez, er = 0;
    char op;
    printf("operatie: ");
    scanf("%d %c %d", &a, &op, &b);
    //printf("\n%d %c %d", a, op, b);
    switch(op) {
        case '+': rez = a + b; break;
        case '-': rez = a - b; break;
        case '*': rez = a * b; break;
        case '/':
            if(a == 0) er = 1;
            else rez = a / b;
            break;
        case '%': rez = a % b; break;
        default:               break;
    }
    if(er) printf("a trebuie sa fie nenul!\n");
    else   printf("%d\n", rez);
}

/// 3
/// A
struct Candidat {
    int nr_legitimatie;
    char nume[64];
    int nota_mate, nota_info, nota_bac;
    double medie;
    char admis, buget;
};

/// B
#define MedieAdmitere(nota_mate, nota_info, nota_bac) ((nota_mate + nota_info) * 0.4 + nota_bac * 0.2)

/// C
#define PragPromovabilitate 5

/// D
struct Candidat C[100];
int n, neadmisi = 0;

void AfisareCandidati() {
    int i;
    printf("\n");
    for(i = 0; i < n; i++) {
        printf("%d\t", C[i].nr_legitimatie);
        printf("%s\t", C[i].nume, 64, stdin);
        printf("%d %d %d\n", C[i].nota_mate, C[i].nota_info, C[i].nota_bac);
    }
}

void SwapCandidati(struct Candidat *a, struct Candidat *b) {
    struct Candidat aux;
    aux = *a;
    *a = *b;
    *b = aux;
}

void SortareCandidati(int dupaNume) {
    int i, j;

    for(i = 0; i < n - 1; i++) {
        for(j = i + 1; j < n; j++) {
            if((dupaNume && (strcmp(C[i].nume, C[j].nume) >= 0)) ||
              (!dupaNume && (C[i].medie < C[j].medie)))
                SwapCandidati(&C[i], &C[j]);
        }
    }
}

void CitireCandidati() {
    int i;

    printf("n = "); scanf("%d", &n);
    for(i = 0; i < n; i++) {
        printf("Numar legitimatie: ");
        scanf("%d", &C[i].nr_legitimatie);
        getchar();

        printf("Nume: ");
        fgets(C[i].nume, 64, stdin);
        C[i].nume[ strlen(C[i].nume) - 1 ] = '\0';

        printf("Nota mate: ");
        scanf("%d", &C[i].nota_mate);
        printf("Nota info: ");
        scanf("%d", &C[i].nota_info);
        printf("Nota bac: ");
        scanf("%d", &C[i].nota_bac);

        C[i].medie = MedieAdmitere(nota_mate, nota_info, nota_bac);
        C[i].admis = (medie > PragPromovabilitate) ? "Y" : "N";
        if(C[i].admis == "N") neadmisi++;
    }
    //AfisareCandidati();
    SortareCandidati(1);
    AfisareCandidati();
}

/// E
void CompletareBuget() {
    int i;
    int bugetari = (n - neadmisi) * 3 / 4;

    SortareCandidati(0);

    for(i = 0; i < n; i++) {
        if(i < bugetari)
            C[i].buget = "Y";
        else if(C[i].admis == "Y")
            C[i].buget = "N";
    }
    SortareCandidati(1);
    AfisareCandidati();
}

/// F
void AfisareCandidati2(int optiune) {
    int i, j;

    switch(optiune) {
        case 1:
            SortareCandidati(1);
            break;
        case 2:
            for(i = 0; i < n; i++)
                for(j = i + 1; j < n; j++)
                    if(C[i].buget == "Y") {
                        printf("%d\t", C[i].nr_legitimatie);
                        printf("%s\t", C[i].nume, 64, stdin);
                        printf("%d %d %d\n", C[i].nota_mate, C[i].nota_info, C[i].nota_bac);
                    }
            break;
        case 3:
            for(i = 0; i < n; i++)
                for(j = i + 1; j < n; j++)
                    if(C[i].buget == "N") {
                        printf("%d\t", C[i].nr_legitimatie);
                        printf("%s\t", C[i].nume, 64, stdin);
                        printf("%d %d %d\n", C[i].nota_mate, C[i].nota_info, C[i].nota_bac);
                    }
            break;
        case 4:
            SortareCandidati(0);
            for(i = 0; i < n; i++)
                for(j = i + 1; j < n; j++)
                    if(C[i].admis == "N") {
                        printf("%d\t", C[i].nr_legitimatie);
                        printf("%s\t", C[i].nume, 64, stdin);
                        printf("%d %d %d\n", C[i].nota_mate, C[i].nota_info, C[i].nota_bac);
                    }
            break;
        default: break;
    }
}

/// 4


#endif // COD_H_INCLUDED