C++ Institute CPP Exam - Topic 7 Question 2 Discussion

Actual exam question for C++ Institute's CPP exam

Question #: 2
Topic #: 7

[All CPP Questions]

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

#include

using namespace std;

int main(){

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

listv(t, t+10);

set s1(v.begin(),v.end());

if (s1.count(3) == 2) {

s1.erase(3);

}

for(set::iterator i=s1.begin();i!= s1.end(); i++) {

cout<<*i<<" ";

}

return 0;

}

Aprogram outputs: 1 2 3 4 5

Bprogram outputs: 1 2 4 5

Cprogram outputs: 1 1 2 2 3 4 4 5 5

Dprogram outputs: 1 1 2 3 3 4 4 5 5

Ecompilation error

Show Suggested Answer

Suggested Answer: A

by Tamar at May 06, 2022, 09:23 AM

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5 months ago

The set will only keep unique values.

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I'm feeling pretty confident about this one. The requirement to run the new version alongside the old version before switching over points directly to a blue/green deployment strategy. Let's go with that.

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Anabel

5 months ago

Hmm, this looks like a tricky one. I'll need to carefully read through the error message and the options to figure out the best approach.

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C++ Institute CPP Exam - Topic 7 Question 2 Discussion

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