C++ Institute Exam CPP Topic 7 Question 89 Discussion

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

Question #: 89
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[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };

vector v(t, t+10);

map m;

for(vector::iterator i=v.begin(); i!=v.end(); i++) {

stringstream s; s<<*i<<*i; m.insert(pair(*i,s.str()));

}

for(map::iterator i=m.begin();i!= m.end(); i++) {

cout<<*i<<" ";

}

return 0;

}

Aprogram outputs: 3 4 2 1 6 5 7 9 8 0

Bprogram outputs: 00 11 22 33 44 55 66 77 88 99

Cprogram outputs: 0 1 2 3 4 5 6 7 8 9

Dprogram outputs: 0 00 1 11 2 22 3 33 4 44 5 55 6 66 7 77 8 88 9 99

Ecompilation error

Show Suggested Answer

Suggested Answer: E

by Felicitas at Jul 11, 2024, 06:34 AM

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Ozell

19 hours ago

Aha, I know this one! Gotta love those stringstreams and map insertions.

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Janet

8 days ago

I'm not sure, but I think the program will output 6 7.

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Celia

10 days ago

I believe the program will output 5 7.

upvoted 0 times

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Carmen

14 days ago

Hmm, this looks like a classic C++ question. I'll have to think through the logic carefully.

upvoted 0 times

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Janet

16 days ago

I think the program will output 6.

upvoted 0 times

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