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C++ Institute CPP Exam - Topic 1 Question 107 Discussion

What happens when you attempt to compile and run the following code?#include #include #include #include using namespace std;int main(){int second[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };string first[] = {"three", "four", "two", "one", "six","five", "seven", "nine","eight","zero"};map m;for(int i=0; i
B) program outputs: ten one two three four five six seven eight nine
A) program outputs: zero one two three four five six seven eight nine
C) program outputs: zero eleven two three four five six seven eight nine
D) program outputs: ten eleven two three four five six seven eight nine
E) program outputs: 0 1 2 3 4 5 6 7 8 9

C++ Institute CPP Exam - Topic 1 Question 107 Discussion

Actual exam question for C++ Institute's CPP exam
Question #: 107
Topic #: 1
[All CPP Questions]

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

#include

#include

#include

#include

using namespace std;

int main(){

int second[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };

string first[] = {"three", "four", "two", "one", "six","five", "seven", "nine","eight","zero"};

map m;

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

m.insert(pair(second[i],first[i]));

}

m[0]="ten";

m.insert(pair(1,"eleven"));

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

cout<second<<" ";

}

return 0;

}

Show Suggested Answer Hide Answer
Suggested Answer: B

by Merrilee at Apr 06, 2025, 03:29 AM

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Corazon
7 months ago
Are you sure the output will be in that order? Sounds fishy.
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Iluminada
7 months ago
Wait, why is "eleven" not showing up? Seems odd.
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Elizabeth
7 months ago
The map will sort the keys, so the output order is based on the integers.
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Cory
7 months ago
Definitely going with option A, that's the expected output!
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Patria
8 months ago
I think it should output "ten" first since it's assigned to key 0.
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Ling
8 months ago
I think the output will be the original strings, but I can't recall if "eleven" will show up or not.
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Estrella
8 months ago
I feel like the output might include "ten" because of that line where it assigns m[0] = "ten", but I'm not completely certain.
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Evelynn
8 months ago
I practiced a similar question where we had to output values from a map, and I remember it printed the keys in sorted order.
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Bobbye
9 months ago
I think the code should compile fine, but I'm not sure about the output since I can't remember how the map iterates.
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Dexter
9 months ago
This looks straightforward enough. I'll walk through the code step-by-step and make sure I understand how the map is being used. Then I can confidently select the right output option.
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Beula
9 months ago
I'm a bit confused by the for loop at the end. Is it just iterating through the map and printing out the keys? I'll need to double-check how map iteration works.
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Lawanda
9 months ago
Okay, I think I've got it. The program is first populating the map with the values from the two arrays, then updating the map to change the value for 0 to "ten" and adding a new key-value pair for 1. The output should reflect those changes.
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Kenneth
9 months ago
Hmm, the key part seems to be how the map is being updated. I'll need to make sure I understand the difference between using the [] operator and the insert() method.
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King
9 months ago
This looks like a tricky one. I'll need to carefully step through the code to understand what's happening with the map and array manipulations.
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Gretchen
1 year ago
Wait, is this a trick question? I'm going to go with A. The program should output the original array of integers in their string form 'zero one two three four five six seven eight nine'.
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Bette
1 year ago
Haha, I'm feeling lucky. I think the answer is E. The program will just output the original array of integers '0 1 2 3 4 5 6 7 8 9' without any string conversions.
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Shawnda
1 year ago
User3
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Lindsey
1 year ago
User2
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Tricia
1 year ago
User1
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Stefanie
1 year ago
This is a tricky one, but I'm betting on D. The program will output 'ten eleven two three four five six seven eight nine' because the 0th element was changed to 'ten' and a new element with key 1 was inserted as 'eleven'.
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Pok
1 year ago
I'm going with C. The program will output 'zero eleven two three four five six seven eight nine' since the 0th element was changed to 'ten' and a new element with key 1 was inserted as 'eleven'.
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Cecily
1 year ago
Yes, the output will be 'zero eleven two three four five six seven eight nine'.
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Cecily
1 year ago
I agree, the program will output 'zero eleven two three four five six seven eight nine'.
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Cecily
1 year ago
I think it will output 'zero eleven two three four five six seven eight nine'.
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Annelle
1 year ago
I'm not sure, but I think the correct answer is A) program outputs: zero one two three four five six seven eight nine.
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Barney
1 year ago
I believe the program will output: ten one two three four five six seven eight nine.
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Annelle
1 year ago
I think the program will output: zero one two three four five six seven eight nine.
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Marquetta
1 year ago
Hmm, I think the answer is B. The program should output 'ten one two three four five six seven eight nine' after modifying the value of the 0th element in the map.
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Sharen
1 year ago
Actually, the correct answer is D. It will output 'ten eleven two three four five six seven eight nine'.
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Katlyn
1 year ago
No, I think it will output 'zero one two three four five six seven eight nine'.
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Azzie
1 year ago
I believe the program will output 'ten one two three four five six seven eight nine'.
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Vivan
1 year ago
I think the answer is B.
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Dewitt
1 year ago
Great, so the correct answer is B.
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Lemuel
1 year ago
That's correct, the value of the 0th element in the map was modified to 'ten'.
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Emerson
1 year ago
Yes, the program should output 'ten one two three four five six seven eight nine'.
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Jamal
1 year ago
I think the answer is B.
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