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 5 Question 95 Discussion

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
C) 3 2 4 1 5 6 10 8 7 9
A) 1 2 3 4 5 6 10 8 7 9
B) 3 2 4 1 5 6 7 8 9 10
D) 1 2 3 4 5 6 7 8 9 10
E) compilation error

C++ Institute CPP Exam - Topic 5 Question 95 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 95
Topic #: 5
[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() {

B t1[]={3,2,4,1,5};

B t2[]={6,10,8,7,9};

vector v1(10);

sort(t1, t1+5);

sort(t2, t2+5);

merge(t1,t1+5,t2,t2+5,v1.begin());

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

return 0;

}

Program outputs:

Show Suggested Answer Hide Answer
Suggested Answer: C

by Shawna at Sep 18, 2024, 07:34 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
Huey
8 months ago
Nah, I think it just prints the original arrays, not sorted.
upvoted 0 times
...
Harris
9 months ago
I thought the merge function needed a different setup.
upvoted 0 times
...
Paris
9 months ago
Wait, are we sure it doesn't throw any errors?
upvoted 0 times
...
Leonida
9 months ago
Definitely outputs sorted values, so option D is correct!
upvoted 0 times
...
Raina
9 months ago
The code sorts and merges two arrays of class B.
upvoted 0 times
...
Nickolas
10 months ago
I thought the merge function would combine the two sorted arrays, but I'm confused about how the vector v1 is being used. Is it initialized correctly?
upvoted 0 times
...
Jerrod
10 months ago
I practiced a similar question, and I feel like the arrays t1 and t2 are not initialized correctly for merge. Could it lead to a compilation error?
upvoted 0 times
...
Tamekia
10 months ago
I think the output should be sorted, so maybe option D is correct? But I can't recall if the merge function needs sorted input.
upvoted 0 times
...
Mauricio
10 months ago
I remember something about sorting and merging, but I'm not sure if the merge function will work with the way the arrays are defined.
upvoted 0 times
...
Von
10 months ago
I'm not sure about this one. The output options seem a bit tricky, and I'm not confident I can predict the exact result. I'll need to carefully work through the code step-by-step.
upvoted 0 times
...
Tamra
10 months ago
Hmm, I think I've got a handle on this. The sorted arrays are being merged into the vector v1, so the output should be the combined sorted elements.
upvoted 0 times
...
Carissa
10 months ago
I'm a bit confused by the custom class B and the overloaded operators. I'll need to make sure I understand how those are being used in the sorting and merging.
upvoted 0 times
...
Alica
10 months ago
Okay, let's see. The code is sorting two arrays and then merging them into a vector. I think the key is to understand how the merge operation works.
upvoted 0 times
...
Rebbeca
10 months ago
This looks like a tricky one. I'll need to carefully step through the code to understand what's happening.
upvoted 0 times
...
Nicolette
10 months ago
Cloud Storage could work, but I'm not sure if that's the best approach for ongoing analytics. Might be better to go with a more purpose-built data storage solution.
upvoted 0 times
...
Catarina
1 year ago
Wait, did they forget to include the 'greater' comparison function for the B class? This is going to be a tough one! *grabs popcorn*
upvoted 0 times
...
Kendra
1 year ago
This is easy! The answer is A) 8 10 5 1 4 6 2 7 9 3. The merge operation interleaves the elements of the two arrays, which is exactly what the output shows.
upvoted 0 times
Crissy
1 year ago
User 2
upvoted 0 times
...
Alpha
1 year ago
User 1
upvoted 0 times
...
Veta
1 year ago
User 2
upvoted 0 times
...
Aileen
1 year ago
User 1
upvoted 0 times
...
...
Stephaine
1 year ago
I'm going with C) compilation error. The code has a missing header file for the vector class, so it won't compile.
upvoted 0 times
Elly
1 year ago
I'm going with C) compilation error. The code has a missing header file for the vector class, so it won't compile.
upvoted 0 times
...
Samuel
1 year ago
No, I believe it's B) 1 2 3 4 5 6 7 8 9 10
upvoted 0 times
...
Lili
1 year ago
I think it's A) 8 10 5 1 4 6 2 7 9 3
upvoted 0 times
...
...
Nada
1 year ago
I'm not sure, but I think the correct answer is B) 1 2 3 4 5 6 7 8 9 10 because of the sorting and merging operations in the code.
upvoted 0 times
...
Launa
1 year ago
Hmm, the code seems to be merging two sorted arrays into a vector. I think the correct answer is B) 1 2 3 4 5 6 7 8 9 10, as the merge operation should preserve the sorted order of the input arrays.
upvoted 0 times
Carma
1 year ago
Yes, the merge operation should maintain the sorted order, so the output should be B) 1 2 3 4 5 6 7 8 9 10.
upvoted 0 times
...
Carma
1 year ago
I agree, the correct answer is B) 1 2 3 4 5 6 7 8 9 10.
upvoted 0 times
...
...
Yolando
1 year ago
I agree with Milly, because the code sorts the arrays t1 and t2 and then merges them into vector v1 in ascending order.
upvoted 0 times
...
Milly
1 year ago
I think the answer is B) 1 2 3 4 5 6 7 8 9 10.
upvoted 0 times
...