
Revision C++
Authored by Joel Boudreau
Other
University
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Laquelle de ces fonctions pourrait-je utiliser comme fonction de comparaison pour bsearch ou qsort
void compare(const void* e1, const void* e2);
int compare(const void* e1, const void* e2);
int compare(const int* e1, const int* e2);
double compare(void* e1, void* e2);
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fonction bsearch retourne quoi si elle ne trouve pas la valeur à rechercher?
-1
NULL
l'adresse du début du tableau
la taille du tableau
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un pointeur de type void peut pointer sur n'importe quelle adresse.
Vrai
Faux
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la bonne réponse au code ci-dessous.
resultat = **ptr * 2;
resultat = (int*)ptr * 2;
resultat = *(void*)ptr * 2;
resultat = *(int*)ptr * 2;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Écrire la déclaration du pointeur de fonction pouvant pointer sur cette fonction : double moyenne (int* tab, int taille);
double *(ptr)(int*,int);
double (*ptr)(int*,int);
double *ptr (int*,int);
double (*ptr)(int,int);
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la signature de la fonction main si on veut capter les arguments à la ligne de commandes ?
int main(void)
int main(char* argv[],int argc)
int main(int argc, char*argv[])
int main (int argc, char argv[])
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la bonne syntaxe pour définir une variable structurée fraction ?
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