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C++ Institute CPP Exam - Topic 2 Question 67 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 67
Topic #: 2
[All CPP Questions]

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

#include

#include

#include

#include

#include

using namespace std;

templateclass B { T val;

public:

B(T v):val(v){}

T getV() const {return val;} };

templateostream & operator <<(ostream & out, const B & v) { out<

out;}

templatestruct Out {

ostream & out;

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

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

string tolower(const string & s) {

string tmp(s);

for(unsigned i = 0; i< tmp.size(); ++i){

tmp[i] = tolower(tmp[i]); }

return tmp; }

bool Less(const B &a, const B &b) {

return tolower(a.getV())

int main() {

string t[]={"aaa","bbb","Aaa", "Bbb","aAa","bBb","aaA","bbB"};

vector > v1; v1.assign(t, t+8);

stable_sort(v1.begin(), v1.end(), Less);

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

return 0;

}

Program outputs:

Show Suggested Answer Hide Answer
Suggested Answer: C

by Corinne at May 29, 2023, 05:37 PM

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Gerry
4 months ago
I’m not sure, could be D since it’s complex.
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Josefa
4 months ago
Definitely B, no doubt about it!
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Denae
4 months ago
Wait, how does stable_sort handle duplicates?
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Leontine
4 months ago
I think the output is A.
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Kandis
4 months ago
The code sorts strings case-insensitively.
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Bambi
5 months ago
I wonder if the output could vary depending on the implementation of the standard library. Maybe option D is correct?
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Johanna
5 months ago
I'm a bit confused about the tolower function. Does it really affect the sorting order, or is it just for display?
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Charlesetta
5 months ago
I remember practicing a similar question about sorting with custom comparison functions. I feel like the output should start with "Aaa" based on the Less function.
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Doug
5 months ago
I think the stable_sort function will sort the strings in a case-insensitive manner, but I'm not sure if it will maintain the original order of equal elements.
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Edelmira
5 months ago
I'm a bit confused on this one. I know Cisco has a lot of security solutions, but I'm not sure which one specifically handles patch management in the cloud. I'll have to review my notes and try to eliminate the options that don't seem to fit.
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Keena
5 months ago
Okay, I think I've got this. The key is to identify the reference level, which is Large (L) according to the question. So I just need to find the coefficient for that level in the output and that will be the estimated logit.
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Percy
5 months ago
I'm a bit confused here. If the software is up to date and there are no alerts, how could the threat actor have gone undetected? I'll need to consider all the options carefully.
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Verlene
5 months ago
Hmm, I'm not totally sure about this one. I'll have to think it through carefully. Maybe I can eliminate a couple of the options first.
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Lashaun
5 months ago
I'm not sure about this one. The question mentions storing the data in Azure Blob storage, but the solution talks about using Event Grid. I'll need to think this through carefully.
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Nathalie
5 months ago
Key words like 'short-term goals' and 'self-efficacy' suggest this is about behavioral techniques. I'll choose A, but I'm not 100% sure.
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