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C++ Institute CPP Exam - Topic 4 Question 74 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 74
Topic #: 4
[All CPP Questions]

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

#include

#include

#include

using namespace std;

int main ()

{

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

vectorv1(t, t+5);

listl1;

l1.assign(v1.end(), v1.begin());

for(int i=0; i

{

cout<

}

cout<

return 0;

}

Show Suggested Answer Hide Answer
Suggested Answer: E

by Tracey at Nov 21, 2023, 02:14 AM

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Sue
3 months ago
The list's assign method is used incorrectly here.
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Brock
4 months ago
Wait, why would it compile incorrectly?
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Arminda
4 months ago
No way, it should show 5 4 3 2 1.
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Beatriz
4 months ago
I thought it would display 1 2 3 4 5!
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Katlyn
4 months ago
The code will actually cause a compilation error.
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Staci
4 months ago
I’m pretty sure the program should compile fine, but I’m confused about how the list will be populated from the vector.
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Rodrigo
5 months ago
I practiced a similar question where the order of elements mattered. I feel like this might lead to a runtime error, but I can't recall exactly.
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Miles
5 months ago
I think the `l1.assign(v1.end(), v1.begin());` line is definitely wrong. It feels like it should be the other way around.
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Yvette
5 months ago
I remember something about the `assign` method, but I'm not sure if the parameters are in the right order.
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Junita
5 months ago
I've got this! The `assign()` function for the list takes the elements in reverse order, so the output will be 5 4 3 2 1. Easy peasy!
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King
5 months ago
Wait, I'm a bit confused. Why are we using `end()` and `begin()` to assign the vector elements to the list? Shouldn't we be using the other way around?
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Levi
5 months ago
Okay, I think I know what's going on here. The `assign()` function for the list is reversing the order of the elements from the vector. Let me work through this step-by-step.
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Julie
5 months ago
Hmm, this looks tricky. I'll need to carefully read through the code and think about the order of the vector and list operations.
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Rolland
5 months ago
Ugh, I'm not sure about this one. I better review my notes on vector and list operations before attempting to answer.
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Claudia
5 months ago
I'm a bit confused about the initial selection of attributes. I'll need to review that part carefully and make sure I understand it properly before answering.
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Raelene
5 months ago
Okay, I've got a strategy here. I'll start by eliminating the options that don't seem relevant, like the VMware/Hyper-V Agent since the question doesn't mention anything about that. Then I'll focus on the more likely causes, like the tape backup or the Catalogs operation.
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Danica
5 months ago
The key to this question is remembering what SMED is all about. It's a technique for quickly changing over equipment to minimize downtime, so the correct answer has to be D - reducing set up time.
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Melina
10 months ago
I wonder if the compiler will just throw up its hands and say 'Nope, can't deal with this mess!' and give us a nice compilation error. Hey, at least it would be honest, right?
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Mitsue
9 months ago
C) compilation error in line 8
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Delisa
9 months ago
B) program outputs 1 2 3 4 5
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Terry
9 months ago
A) program outputs 5 4 3 2 1
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Leslie
10 months ago
I'm getting a headache just looking at this code. Maybe I should just go with E) segmentation fault runtime exception and call it a day.
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Casey
9 months ago
User3: I agree, let's take a closer look at the code before jumping to conclusions.
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Bo
9 months ago
User2: I think the issue might be with line 8, let's double check.
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Filiberto
9 months ago
User1: Don't give up so easily, let's try to figure it out.
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Loreen
10 months ago
Whoa, hold on a second! Aren't we supposed to be using `reverse()` or something to flip the order of the elements? I'm gonna go with A) program outputs 5 4 3 2 1.
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Queen
9 months ago
Oh, I see. Thanks for clarifying!
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Hailey
9 months ago
No, actually the correct answer is B) program outputs 1 2 3 4 5.
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Linwood
10 months ago
I think you're right, we should be using `reverse()` to flip the order of the elements.
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Maryrose
11 months ago
I'm not sure, but I think the correct answer is A.
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Kenny
11 months ago
Hmm, the `assign()` function in line 9 looks a bit strange. I'm not sure if that's gonna work as expected. I'll go with C) compilation error in line 8.
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Melinda
10 months ago
Yeah, the `assign()` function in line 9 seems incorrect. It might cause a compilation error.
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Trinidad
10 months ago
I'm not sure about that. I think there might be a compilation error in line 8.
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Rossana
10 months ago
User1
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Macy
10 months ago
User2
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Corazon
11 months ago
The code seems to be working correctly, so I think the answer is B) program outputs 1 2 3 4 5.
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Dick
9 months ago
Let's run the code and see what happens.
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Buffy
10 months ago
I'm not sure, but I think it should output 1 2 3 4 5.
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Larue
10 months ago
I agree, the code looks fine to me.
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Gracia
10 months ago
I think the answer is B) program outputs 1 2 3 4 5.
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Colby
11 months ago
I believe there might be a compilation error in line 8.
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Maryrose
11 months ago
I think the program will output 5 4 3 2 1.
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