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

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France

1 days ago

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.

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Launa

8 days ago

The code will result in a compilation error. The `find()` function in the `map` container is used to search for a key, not a value.

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Billy

10 days ago

I also think it's D) compilation error, because find() function requires a specific key to search for in a map.

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Stevie

11 days ago

I agree with Santos, because the find() function cannot be used with map containers.

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Santos

16 days ago

I think the answer is D) compilation error.

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