Deal of The Day! Hurry Up, Grab the Special Discount - Save 25% - Ends In 00:00:00 Coupon code: SAVE25
Welcome to Pass4Success

- Free Preparation Discussions
Mail Us support@pass4success.com
Location US
Mob_nav_barsMENU

C++ Institute CPP Exam - Topic 7 Question 62 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 62
Topic #: 7
[All CPP Questions]

What happens when you attempt to compile and run the following code?

#include

#include

#include

using namespace std;

class B { int val;

public:

B(int v):val(v){}

int getV() const {return val;} bool operator < (const B & v) const { return val

ostream & operator <<(ostream & out, const B & v) { out<

templatestruct Out {

ostream & out;

Out(ostream & o): out(o){}

void operator() (const T & val ) { out<

int main() {

int t[]={8, 10, 5, 1, 4, 6, 2, 7, 9, 3};

vector v1(t, t+10);

sort(v1.begin(), v1.end());

for_each(v1.begin(), v1.end(), Out(cout));cout<

return 0;

}

Program outputs:

Show Suggested Answer Hide Answer
Suggested Answer: C

by Penney at Feb 08, 2023, 12:16 PM

Limited Time Offer

25%

Off

Get Premium CPP Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

0/2000 characters
Submit Cancel
Franchesca
5 months ago
Wait, how does it sort when the vector is initialized with integers?
upvoted 0 times
...
Man
5 months ago
Totally agree, it sorts the vector correctly!
upvoted 0 times
...
Georgiann
5 months ago
I think it might throw a compilation error.
upvoted 0 times
...
Glendora
5 months ago
It should output 1 2 3 4 5 6 7 8 9 10.
upvoted 0 times
...
Tuyet
5 months ago
The code compiles fine.
upvoted 0 times
...
Coral
6 months ago
I believe the sorting should arrange the values in ascending order, so I think option B is correct, but I hope I’m not missing something about the vector.
upvoted 0 times
...
Chauncey
6 months ago
I'm a bit confused about the vector initialization with the array. I feel like it might cause a compilation error, but I can't recall the specifics.
upvoted 0 times
...
Bernardo
6 months ago
I remember a similar question where we had to sort a custom class, and it worked as expected. So, I'm leaning towards option B for the output.
upvoted 0 times
...
Luisa
6 months ago
I think the code should compile fine since all the necessary operators and constructors are defined, but I'm not completely sure about the vector initialization.
upvoted 0 times
...
Joye
6 months ago
Hmm, I'm not sure about this one. Embedding them directly in the code seems like a bad idea, but I'm not sure if a hidden file is really that much more secure. Maybe I should consider changing them periodically instead?
upvoted 0 times
...
Tracey
6 months ago
This looks like a straightforward PROC PRINT question. I think I've got this one figured out.
upvoted 0 times
...
Leslie
6 months ago
I've got a good feeling about this one. The details in option A seem to match the description of Unified Data Management the best.
upvoted 0 times
...
Erinn
6 months ago
I remember we debated if this statement oversimplifies both communism and radical Islam. Maybe it's misleading to equate them?
upvoted 0 times
...
Selma
11 months ago
Ah, I see what they're doing here. The sort function should work just fine, and the output should be the sorted vector of B objects. Yep, B is the correct answer for sure.
upvoted 0 times
...
Leonard
11 months ago
Haha, I can already see the problem. They forgot to overload the << operator for the B class. Gotta love those pesky compilation errors!
upvoted 0 times
Ricarda
10 months ago
User3
upvoted 0 times
...
Tanesha
10 months ago
User2
upvoted 0 times
...
Gregg
10 months ago
Compilation errors can be tricky to debug sometimes.
upvoted 0 times
...
Gregg
10 months ago
Definitely, overloading the << operator is crucial for custom classes.
upvoted 0 times
...
Gregg
10 months ago
Yeah, that's a common mistake.
upvoted 0 times
...
...
Queen
11 months ago
This is a tricky one. The code includes some custom operator overloading, so it might not be as straightforward as it seems. I'll go with option B, just to be safe.
upvoted 0 times
...
Jolanda
11 months ago
Hmm, the code looks like it's trying to sort a vector of custom objects. My guess is that it will compile and run, and the output will be a sorted list of the object values.
upvoted 0 times
Nickolas
10 months ago
User 1
upvoted 0 times
...
Rosendo
10 months ago
User 2
upvoted 0 times
...
Nilsa
10 months ago
User 1
upvoted 0 times
...
Kasandra
10 months ago
Looks like the code is sorting a vector of custom objects.
upvoted 0 times
...
Ashlyn
11 months ago
The output will be a sorted list of object values.
upvoted 0 times
...
Sylvie
11 months ago
It will compile and run successfully.
upvoted 0 times
...
Gretchen
11 months ago
B) 1 2 3 4 5 6 7 8 9 10
upvoted 0 times
...
...
Aaron
11 months ago
I'm not sure, but I think the answer is B) 1 2 3 4 5 6 7 8 9 10 because the for_each function is used to output the sorted vector elements.
upvoted 0 times
...
Kami
11 months ago
I agree with Yen, the code uses the sort function to sort the vector of objects in ascending order.
upvoted 0 times
...
Yen
12 months ago
I think the answer is B) 1 2 3 4 5 6 7 8 9 10 because the code sorts the vector in ascending order.
upvoted 0 times
...