DEV/DEV1.1/TP23/TP22-reponses.txt
2024-12-02 14:12:49 +01:00

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----- TP22 : Fichiers (encore) -----
1.
# include <stdio.h>
# include <stdlib.h>
int main(int argc, char** argv) {
FILE* fichier = NULL;
char* lu;
char* contenu;
int compteur = 1;
fichier = fopen(argv[1], "r");
if (fichier == NULL) {
printf("Erreur d'écriture");
return EXIT_FAILURE;
}
lu = fgets(contenu, 1000, fichier);
while (lu != NULL) {
printf("%d ", compteur);
printf(contenu);
putchar('\n');
lu = fgets(contenu, 1000, fichier);
compteur++;
}
fclose(fichier);
return EXIT_SUCCESS;
}
2.
int main(void) {
/* Déclaration des tableaux */
int t1[2][5];
int t2[3][5];
int t3[5][5];
int compteur;
/* Remplissage des tableaux */
int i;
int j;
/* t1 */
for (i = 0; i != 2; i++) {
for (j = 0; j != 5; j++) {
t1[i][j] = j + 1;
}
}
/* t2 */
compteur = 1;
for (i = 0; i != 3; i++) {
for (j = 0; j != 5; j++) {
t2[i][j] = compteur;
compteur++;
}
}
/* t3 */
compteur = 0;
for (i = 0; i != 5; i++) {
for (j = 0; j != 5; j++) {
if (j >= i) {
t3[i][j] = 0;
}
else {
t3[i][j] = 1 + j;
}
}
}
/* Affichage des tableaux */
/* t1 */
for (i = 0; i != 2; i++) {
for (j = 0; j != 5; j++) {
printf("%d ", t1[i][j]);
}
printf("\n");
}
printf("\n");
/* t2 */
for (i = 0; i != 3; i++) {
for (j = 0; j != 5; j++) {
printf("%d ", t2[i][j]);
}
printf("\n");
}
printf("\n");
/* t3 */
for (i = 0; i != 5; i++) {
for (j = 0; j != 5; j++) {
printf("%d ", t3[i][j]);
}
printf("\n");
}
printf("\n");
/* Inversions lignes-colonnes */
/* t1 */
for (j = 0; j != 5; j++) {
for (i = 0; i != 2; i++) {
printf("%d ", t1[i][j]);
}
printf("\n");
}
printf("\n");
/* t2 */
for (j = 0; j != 5; j++) {
for (i = 0; i != 3; i++) {
printf("%d ", t2[i][j]);
}
printf("\n");
}
printf("\n");
/* t3 */
for (j = 0; j != 5; j++) {
for (i = 0; i != 5; i++) {
printf("%d ", t3[i][j]);
}
printf("\n");
}
printf("\n");
return EXIT_SUCCESS;
}