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C++ Institute CPP Exam - Topic 7 Question 89 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 89
Topic #: 7
[All CPP Questions]

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

#include

#include

#include

#include

#include

using namespace std;

int main(){

int t[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };

vector v(t, t+10);

map m;

for(vector::iterator i=v.begin(); i!=v.end(); i++) {

stringstream s; s<<*i<<*i; m.insert(pair(*i,s.str()));

}

for(map::iterator i=m.begin();i!= m.end(); i++) {

cout<<*i<<" ";

}

return 0;

}

Show Suggested Answer Hide Answer
Suggested Answer: E

by Felicitas at Jul 11, 2024, 06:34 AM

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Miesha
4 months ago
Compilation error? Nah, I don't think so.
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Becky
4 months ago
I think it's D, but I'm not 100% sure.
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Basilia
4 months ago
Wait, why would it output "00 11 22"? Seems off.
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Flo
5 months ago
Definitely not option A, that's for sure!
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Alva
5 months ago
Looks like it outputs pairs of numbers.
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Daniel
5 months ago
I’m leaning towards option D because it seems like it would print each number twice, but I’m worried I might be mixing up the logic.
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Patrick
5 months ago
I feel like the output might be the pairs of numbers concatenated together, so maybe option B? But I'm not entirely confident.
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Nettie
5 months ago
I remember a similar question where we had to output values from a map, but I can't recall if it was in order or not.
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Marg
6 months ago
I think the program should compile fine since all the includes seem correct, but I'm not sure about the output.
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Alyce
6 months ago
Ugh, I hate questions that involve string manipulation. Let me re-read this a few times and see if I can spot the pattern.
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Glendora
6 months ago
This seems straightforward enough. I'm pretty confident I can work through this and arrive at the correct answer.
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Melissa
6 months ago
I'm a bit confused by the map and vector usage here. I'll need to review my notes on those data structures to make sure I'm following the logic.
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Cassie
6 months ago
Hmm, this looks like a tricky one. I'll need to carefully step through the code and think about how the data structures are being used.
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Nickole
6 months ago
Okay, I think I've got a handle on this. The key is understanding how the stringstream is being used to convert the integers to strings.
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Rose
6 months ago
Hmm, I'm a bit unsure about this one. I know awk is a powerful text processing tool, but I can't recall what it's specifically based on. I'll have to think this through carefully.
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Lea
6 months ago
Hmm, I'm a bit unsure about this one. The question mentions hiring an external writer, so I'm not sure if that's considered avoidance, transference, or something else. I'll need to think this through carefully.
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Aretha
10 months ago
Haha, are they trying to trick us? This seems too straightforward to be the right answer.
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Coral
9 months ago
User 3: Yeah, it does seem too straightforward, but I'm going with B) as well
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Anastacia
9 months ago
User 2: I agree, it looks like the program will output 5 7
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Brandon
10 months ago
User 1: I think the answer is B) program outputs: 5 7
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Tom
11 months ago
Wait, what? I thought I had this figured out, but now I'm second-guessing myself. Better read the code again.
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Denny
10 months ago
User 3: The output will depend on the order of elements in the map. Let's analyze it further.
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Donte
10 months ago
User 2: It looks like the program is inserting each element twice into the map.
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Charlene
11 months ago
User 1: The code is inserting elements into a map based on the vector values.
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Ozell
11 months ago
Aha, I know this one! Gotta love those stringstreams and map insertions.
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Janine
10 months ago
User 4: I'm leaning towards the program outputting: 6 7
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Shawna
10 months ago
User 3: I believe the program will output: 5 7
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Pearly
10 months ago
User 2: I think the program will output: 6
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Elli
11 months ago
User 1: What do you think the program will output?
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Janet
11 months ago
I'm not sure, but I think the program will output 6 7.
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Celia
11 months ago
I believe the program will output 5 7.
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Carmen
11 months ago
Hmm, this looks like a classic C++ question. I'll have to think through the logic carefully.
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Lawanda
11 months ago
The program outputs: 0 00 1 11 2 22 3 33 4 44 5 55 6 66 7 77 8 88 9 99
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Lawanda
11 months ago
I think the program outputs: 6 6 7 7 2 2 1 1 4 4 5 5 6 6 7 7 9 9 8 8 0 0
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Janet
12 months ago
I think the program will output 6.
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