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C++ Institute CPP Exam - Topic 6 Question 82 Discussion

What happens when you attempt to compile and run the following code?#include #include #include #include using namespace std;templatestruct Out {ostream & out;Out(ostream & o): out(o){}void operator() (const T & val ) { out
B) 1 1
A) 1 0
C) true true
D) false false
E) compilation error

C++ Institute CPP Exam - Topic 6 Question 82 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 82
Topic #: 6
[All CPP Questions]

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

#include

#include

#include

#include

using namespace std;

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};

deque d1(t, t+10);

set s1(t,t+10);

cout<

return 0;

}

Choose all possible outputs (all that apply):

Show Suggested Answer Hide Answer
Suggested Answer: B

by Eric at Apr 21, 2024, 05:21 AM

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Sylvie
8 months ago
I doubt it, seems like a trick question.
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Andra
9 months ago
Wait, are both searches returning true?
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Lashaunda
9 months ago
Definitely not a compilation error.
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Joanne
9 months ago
I think the output is 1 1.
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Daniel
9 months ago
The code compiles fine, no errors.
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Aja
10 months ago
I feel like there might be a compilation error because of the template structure, but I can't recall any specific issues related to that.
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Yuki
10 months ago
I practiced something similar, and I think `binary_search` on a set should always return true if the element exists. But I'm not confident about the deque part.
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Gilma
10 months ago
I'm not entirely sure, but I think the output could be `1 1` because both containers should contain the number 4.
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Boris
10 months ago
I remember that `binary_search` returns true if the element is found, so I think both searches should return true since 4 is in both the set and the deque.
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Anabel
10 months ago
Hmm, this is a good one. I'll need to carefully work through the code step-by-step and make sure I understand how the `binary_search` function behaves with different container types.
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Belen
10 months ago
Alright, I think I've got a handle on this. The `set` is an ordered container, so `binary_search` should work as expected. But the `deque` is an unordered container, so the `binary_search` call on that might not return the expected result.
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Emeline
10 months ago
I'm a bit confused by the `Out` struct. I wonder if that's going to have any impact on the output. I'll need to make sure I understand what it's doing.
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Vicente
10 months ago
Okay, let me see here. The code is using a `deque` and a `set`, so I'll need to consider the differences in their underlying implementations and how that might affect the `binary_search` results.
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Marylin
10 months ago
Hmm, this looks like a tricky one. I'll need to carefully read through the code and think about how the `binary_search` function works with different container types.
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Margart
10 months ago
This question seems pretty straightforward. I think the key is to focus on the details about the job's purpose and when it runs.
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Dierdre
11 months ago
Gotta be C - getting SLAs in place ensures everyone is on the same page and accountable. That's the foundation for a strong customer relationship.
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Rosendo
11 months ago
Hmm, I'm a bit unsure about this one. I'll try to recall the OSPF neighbor states and see if I can eliminate any of these options.
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Rima
1 year ago
This question is like a game of 'Hide and Seek' with the number 4. Will it be found in the set? Will it be lost in the deque? The suspense is killing me!
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Vicki
1 year ago
Oh, I've got this! The output will be '1 0', because the `binary_search` function will work for the sorted set, but not for the unsorted deque. This is like trying to find a needle in a haystack... or a 4 in a deque of numbers.
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Alida
1 year ago
User3
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Phyliss
1 year ago
User2
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Tammara
1 year ago
User1
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Doretha
1 year ago
This is a tricky one! I think the output will be '0 0', because the `binary_search` function will return 0 for both the set and the deque, as the value 4 is not present in the unsorted deque.
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Denny
1 year ago
So both binary_search functions will return 0.
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Shelton
1 year ago
I agree, the value 4 is not present in the unsorted deque.
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Jolene
1 year ago
I think the output will be '0 0'.
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Rikki
1 year ago
Hmm, I'm not sure about this one. Let me think... Aha! The output should be '1 1', because the `binary_search` function will return 1 for both the set and the deque, since the value 4 is present in both data structures.
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Ilene
1 year ago
I agree with you, it should be '1 1'.
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Nichelle
1 year ago
I'm pretty sure it's '1 0'.
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Filiberto
1 year ago
I believe it will be '0 1'.
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Shanda
1 year ago
I think the output will be '0 0'.
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Cyril
1 year ago
I believe the correct answer is A) 0 0 because binary_search will return false for both sets and deques.
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Frederick
1 year ago
The code should compile and run without any issues. The output should be '1 0', since the `binary_search` function will return 1 for the set and 0 for the deque, as the set is sorted and the deque is not.
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Coral
1 year ago
User 2
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Nada
1 year ago
User 1
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Karl
1 year ago
I agree with Jerry. Sets are not sorted, so binary_search won't work on them.
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Jerry
1 year ago
I think the output will be A) 0 0 because binary_search does not work on sets.
upvoted 0 times
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