82 lines
2 KiB
C
82 lines
2 KiB
C
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/* Structures et tableaux */
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#include <stdio.h>
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#include <string.h>
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#define M 50 // Maximum d'étudiants stockables
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#define NB_UE 6 // Maximum d'étudiants stockables
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struct PEIP2 {
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char nom[26], prenom[26];
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long int nip;
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float notes[NB_UE];
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} etudiant[M];
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float coeffs[NB_UE] = {1, 2, 1, 2, 3, 1};
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void saisie(int i) {
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printf("Nom : ");
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scanf("%s", &etudiant[i].nom);
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printf("Prénom : ");
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scanf("%s", &etudiant[i].prenom);
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printf("NIP : ");
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scanf("%ld", &etudiant[i].nip);
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int iu;
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for (iu = 0; iu < NB_UE; iu++) {
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printf("Note dans l'UE %i (coeff %f) :", iu+1, coeffs[iu]);
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scanf("%f", &etudiant[i].notes[iu]);
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}
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printf("\n");
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}
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void lire(int i) {
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printf("Nom, Prénom : %s, %s\n", etudiant[i].nom, etudiant[i].prenom);
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printf("NIP : %ld\n", etudiant[i].nip);
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int iu;
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double somme = 0;
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double sommeCoeffs = 0;
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for (iu = 0; iu < NB_UE; iu++) {
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somme += etudiant[i].notes[iu]*coeffs[iu];
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sommeCoeffs += coeffs[iu];
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printf("Note dans l'UE %i (coeff %f) : %f\n", iu+1, coeffs[iu], etudiant[i].notes[iu]);
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}
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printf("Moyenne générale : %f\n", somme / sommeCoeffs);
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printf("\n");
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}
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int main() {
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int i, nb;
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printf("Nombre d'étudiants : ");
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scanf("%d", &nb);
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if (nb < 1 || nb > M) {
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printf("Le programme ne peut stocker que jusque %i étudiants.\n", M);
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return 2;
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}
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printf("-- Saisie des étudiants\n");
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for (i = 0; i < nb; ++i) saisie(i);
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printf("-- Lecture des étudiants\n");
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for (i = 0; i < nb; ++i) lire(i);
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printf("-- Moyennes des UE\n");
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int iu;
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double sommeTotale = 0;
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double somme;
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for (iu = 0; iu < NB_UE; iu++) {
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somme = 0;
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for (i = 0; i < nb; ++i) {
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somme += etudiant[i].notes[iu];
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}
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printf("Moyenne de l'UE %i (coeff %f): %f\n", iu+1, coeffs[iu], somme/nb);
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sommeTotale += somme*coeffs[iu];
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}
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printf("Moyenne générale promo : %f\n", sommeTotale / NB_UE / nb);
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return 0;
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}
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