Interested to Buy Any Domain ? << Click Here >> for more details...
int f() {
int I = 12;
int &r = I;
r += r / 4;
int *p = &r;
*p += r;
return I;
}
Referring to the sample code above, what is the return value
of the function "f()"?
a) 12
b) 15
c) 24
d) 17
e) 30
- 2 Answers
- 10270 Views
- AIG, Quark, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / uma sankar pradhan
int I=12;
int &r=I;
here r is a reference to I
r+=r/4;
=>r=r+r/4;
=>r=12+12/4;[r=I=12]
=>r=12+3
=>r=15
=>I=15
int *p=&r;
so, p is a pointer to r(i.e.,to I)
*p +=r;
=>*p = *p+r
=>*p=15+15
=>*p=30
=>I=30
so the return value of the f() is 30
| Is This Answer Correct ? | 15 Yes | 0 No |
Why do we use structure in c++?
What does extern mean in a function declaration in c++?
What are the differences between a struct in C and in C++?
if int1 has the value 12, int has the value 18, and int3 has the value 21, what is the result: int1 < int2 && int2 < int 3
What is c++ and its uses?
advantages and disadvantages of using Borland C++ / version 5.
Can we define a constructor as virtual in c++?
What do you mean by vtable and vptr in c++?
What does it mean to declare a member function as virtual?
why is c++ called oops? Explain
What is iterator in c++?
Can c++ do everything c can?
STL 
