U.S. Independence Day Deal! Unlock 25% OFF Today – Limited-Time Offer - 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 8 Question 94 Discussion

What happens when you attempt to compile and run the following code?#include #include #include using namespace std;templatestruct Out {ostream & out;Out(ostream & o): out(o){}void operator() (const T & val ) { out
D) 1 2 3 4 5 6 7 8 9 10
A) 1 2 3 4 5 6 10 8 7 9
B) 3 2 4 1 5 6 7 8 9 10
C) 3 2 4 1 5 6 10 8 7 9
E) compilation error

C++ Institute CPP Exam - Topic 8 Question 94 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 94
Topic #: 8
[All CPP Questions]

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

#include

#include

#include

using namespace std;

templatestruct Out {

ostream & out;

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

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

int main() {

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

int 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: D

by Lacey at Sep 18, 2024, 07:12 AM

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
Carman
7 months ago
Nope, it's D for sure!
upvoted 0 times
...
Sharmaine
7 months ago
I think it should be E, there's a compilation error.
upvoted 0 times
...
Dominque
7 months ago
Wait, why does it say 10 before 8? That seems off.
upvoted 0 times
...
Elbert
8 months ago
Definitely outputs D, it's sorted!
upvoted 0 times
...
Carin
8 months ago
The code sorts and merges two arrays.
upvoted 0 times
...
Dell
8 months ago
I have a feeling there might be a compilation error because of the way the merge function is used.
upvoted 0 times
...
Jennifer
8 months ago
I practiced a similar question, and I believe the output should be sorted, so maybe option D is correct?
upvoted 0 times
...
Shawnda
8 months ago
I'm not entirely sure, but I remember something about the merge function needing the output vector to be large enough.
upvoted 0 times
...
Paulina
9 months ago
I think the code should compile fine since all the included libraries are correct.
upvoted 0 times
...
Dusti
9 months ago
Hmm, I'm not sure about this one. There are a lot of moving parts with the arrays, vector, and custom struct. I'll need to walk through it carefully step-by-step to make sure I understand what's happening.
upvoted 0 times
...
My
9 months ago
I'm feeling pretty confident about this one. The merge function should combine the two sorted arrays into the vector in the correct order. I'll double-check the syntax, but I think the answer is C.
upvoted 0 times
...
Hester
9 months ago
I'm a bit confused by the custom Out struct. Does that have something to do with the output? I'll need to research that a bit more.
upvoted 0 times
...
Winfred
9 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
...
Bambi
9 months ago
Okay, let's see... The code is sorting two arrays, then merging them into a vector. I think the key is understanding how the merge function works.
upvoted 0 times
...
Leonor
9 months ago
This question is similar to one we practiced, and I feel like the failover system mechanism was mentioned in that context.
upvoted 0 times
...
Albina
1 year ago
Wait, what? Reverse order? Did the code accidentally summon a black hole that's sucking in the numbers? C is my choice, but I might need to consult a physicist before submitting.
upvoted 0 times
...
Beth
1 year ago
Compile error? Really? This code looks pretty straightforward. Clearly, the compiler must be on vacation today. E is just a wild guess.
upvoted 0 times
...
Ocie
1 year ago
I'm not sure about this one. The merge seems right, but the output looks a bit off. Maybe I should double-check the algorithm. D seems plausible, but I'm not confident.
upvoted 0 times
Dylan
1 year ago
User2: Maybe we should run the code to see the actual output
upvoted 0 times
...
Nickolas
1 year ago
User3: I agree with User1, A) seems more likely based on the code
upvoted 0 times
...
Micaela
1 year ago
User2: I'm not so sure, I feel like it might be B) 2 3 4 5 6 7 8 9 10 11
upvoted 0 times
...
Lashanda
1 year ago
User1: I think the output will be A) 1 2 3 4 5 6 7 8 9 10
upvoted 0 times
...
...
Andra
1 year ago
Ha! Looks like someone's trying to trick us. The merge is done correctly, but the output is in reverse order. C is the way to go.
upvoted 0 times
India
12 months ago
Definitely C, the output is 10 9 8 7 6 5 4 3 2 1.
upvoted 0 times
...
India
12 months ago
Yeah, the merge is done correctly but the output is reversed.
upvoted 0 times
...
India
1 year ago
I think C is the correct answer.
upvoted 0 times
...
...
Gabriele
1 year ago
Hmm, I think the merge function is working correctly, but the array indices might be off. Let me double-check the logic. Maybe B is the right answer?
upvoted 0 times
Rodrigo
1 year ago
User 3
upvoted 0 times
...
Alva
1 year ago
User 2
upvoted 0 times
...
Candra
1 year ago
User 1
upvoted 0 times
...
...
Tanja
1 year ago
The code seems to be merging two sorted arrays into a vector. The output should be the merged and sorted elements, so I'll go with A.
upvoted 0 times
Dottie
1 year ago
Looks like the code is merging and sorting the arrays correctly.
upvoted 0 times
...
Dottie
1 year ago
A) 1 2 3 4 5 6 7 8 9 10
upvoted 0 times
...
...
Galen
1 year ago
I'm not sure, but I think the answer might be E) compilation error because the code is missing the include for the merge function. Without it, the code won't compile.
upvoted 0 times
...
Quentin
1 year ago
I agree with Valene. The code uses the sort function to sort the arrays and then merges them using the merge function. The output should be in ascending order.
upvoted 0 times
...
Valene
1 year ago
I think the answer is A) 1 2 3 4 5 6 7 8 9 10 because the code sorts the arrays t1 and t2 and then merges them into vector v1 in ascending order.
upvoted 0 times
...

Save Cancel