C++ Institute Exam CPP Topic 2 Question 102 Discussion

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

Question #: 102
Topic #: 2

[All CPP Questions]

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

#include

using namespace std;

void print(int v) { cout<

struct Sequence {

int start;

Sequence(int start):start(start){}

int operator()() {

return 10*(1+(start++ %3));

}

};

int main() {

vector v1(10);

generate_n(v1.begin(), 10, Sequence(1));

remove(v1.begin(), v1.end(), 10);

for_each(v1.begin(), v1.end(), print);cout<

return 0;

}

Program outputs:

A20 30 10 20 30 10 20 30 10 20

B20 30 20 30 20 30 20

C20 30 20 30 20 30 20 30 10 20

Dcompilation error

Show Suggested Answer

Suggested Answer: C

by Rosenda at Jan 13, 2025, 07:08 PM

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Delisa

1 days ago

The output is going to be 20 30 20 30 20 30 20 30 10 20. It's like a secret dance the numbers are doing, and we're just watching in awe.

upvoted 0 times

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Julene

5 days ago

Wow, this code is really something! I bet the developer was having a fun time coming up with this one. It's like a secret code that only the true C++ masters can crack.

upvoted 0 times

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Tasia

8 days ago

This code is going to print 20 30 10 20 30 10 20 30 10 20. The `Sequence` class generates a sequence of 10, 20, and 30, and the `remove` function removes the 10s.

upvoted 0 times

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27 days ago

The code should compile and run without any issues, and the output should be 20 30 20 30 20 30 20.

upvoted 0 times

Jestine

4 days ago

A) 20 30 10 20 30 10 20 30 10 20

upvoted 0 times

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