
C++ Riferimenti
Authored by Andrea Prete
Computers
University
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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
int x = 1;
int &y = x;
y++;
x==1 && y==1
x==1 && y==2
x==2 && y==1
x==2 && y==2
Errore di compilazione
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
int &x = 5;
x += 3;
cout << x;
3
5
8
Errore di compilazione
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
double x = 3.5;
int &y = x;
y -= 3;
cout << y;
3.5
0.5
0
Errore di compilazione
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
int x = 4;
cout << &x;
Stampa l'indirizzo di x
Stampa 4
Errore di compilazione
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
int x = 4;
cout << &(2*x);
Stampa 8
Stampa l'indirizzo di x moltiplicato per 2
Errore di compilazione
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
int x = 1;
int &y;
y = x;
x++;
cout << y;
x==1 && y==1
x==2 && y==2
x==2 && y==1
Errore di compilazione
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
int n = 10;
int &r = n;
cout<<"n = "<< &n << ", &r = " << &r << endl;
Stampa gli indirizzi di n e r, che sono identici
Stampa gli indirizzi di n e r, che sono differenti
Errore di compilazione
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