C++ Institute Exam CPP Topic 1 Question 103 Discussion

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

Question #: 103
Topic #: 1

[All CPP Questions]

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

#include

using namespace std;

int main() {

int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };

map m;

for(int i=0; i < 10; i++) {

m[i]=t[i];

}

map::iterator it = find(m.begin(), m.end(), 5);

cout<first;

return 0;

}

Program outputs:

C10

Dcompilation error

Show Suggested Answer

Suggested Answer: B

by Doug at Jan 22, 2025, 04:52 PM

Limited Time Offer

25%

Off

Get Premium CPP Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Dulce

16 days ago

I bet the output will be a rude message to the person who wrote this question. Seriously, who comes up with these tricky questions?

upvoted 0 times

...

Nobuko

1 months ago

Wait, why are we using `find()` on a `map` when we should be using `m.find(5)`? Developers these days, I tell you.

upvoted 0 times

Nickie

7 days ago

I think the correct way is to use `m.find(5)` instead of `find(m.begin(), m.end(), 5)`.

upvoted 0 times

...

Rasheeda

26 days ago

You're right, using `find()` on a `map` is incorrect.

upvoted 0 times

...

Joesph

1 months ago

I think the output will be 10. The `map` container stores key-value pairs, and we're trying to find the value associated with the key 5, which should be 10.

upvoted 0 times

Cherry

13 days ago

Actually, it will be 10.

upvoted 0 times

...

France

27 days ago

No, it will be 4.

upvoted 0 times

...

Natalie

29 days ago

I think the output will be 10.

upvoted 0 times

...

The output will be 4. The `find()` function will return an iterator pointing to the element with a key of 5, and we're trying to access the `first` member of that iterator, which is the key, not the value.

upvoted 0 times