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One problem with dynamic arrays is that they don't carry around their size. Create a structure, DynArray which uses a unique pointer for a dynamic array (data), and an int for the size and сараcity. dynarray.h 1 #ifndef DYNARRAY_H 2 #define DYNARRAY_H 3 4 #include 5 #include 6. // Define the DynArray structure here struct DynArray{ 8 9. unigl int size; int capacity; 10 11 12 }; 13 14 std::ostreams operator<<(std::ostreamá out, const DynArray& a); std::istreams operator>>(std::istreamá in, DynArray& a); 16 DynArray makeDA (int capacity); 15 17 18 #endif memory.cpp 1 #include 2 #include #include "dynarray.h" 4 using namespace std; 3 int main() 6. { cout « "Array capacity: "; int capacity; cin » capacity; 7 10 11 auto a = makeDA (capacity); cout « "Enter up to " « capacity <« " numbers: "; cin > a; 12 13 14 15

One problem with dynamic arrays is that they don't carry around their size. Create a structure, DynArray which uses a unique pointer for a dynamic array (data), and an int for the size and сараcity. dynarray.h 1 #ifndef DYNARRAY_H 2 #define DYNARRAY_H 3 4 #include 5 #include 6. // Define the DynArray structure here struct DynArray{ 8 9. unigl int size; int capacity; 10 11 12 }; 13 14 std::ostreams operator<<(std::ostreamá out, const DynArray& a); std::istreams operator>>(std::istreamá in, DynArray& a); 16 DynArray makeDA (int capacity); 15 17 18 #endif memory.cpp 1 #include 2 #include #include "dynarray.h" 4 using namespace std; 3 int main() 6. { cout « "Array capacity: "; int capacity; cin » capacity; 7 10 11 auto a = makeDA (capacity); cout « "Enter up to " « capacity <« " numbers: "; cin > a; 12 13 14 15

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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In C++ please, I have partially written the struct but not sure of how to write the unique ptr; i wrote the int size and capacity already. In the 2nd image, it has the expected output. Note that I can only write the struct and I cannot make any changes to the test file or anything else in grey. Thank you!!

One problem with dynamic arrays is that they don't carry around their size. Create a structure, DynArray which uses a unique pointer for a dynamic array (data), and an int for the size and сараcity. dynarray.h 1 #ifndef DYNARRAY_H 2 #define DYNARRAY_H 3 4 #include <iostream> 5 #include <memory> // Define the DynArray structure here struct DynArray{ uniql int size; int capacity; }; 9 10 11 12 13 std::ostreams operator<<(std::ostream& out, const DynArrayu a); std::istream& operator>>(std::istream& in, DynArray& a); 16 DynArray makeDA (int capacity); 14 15 17 18 #endif memory.cpp 1 #include <iostream> 2 #include <string> #include "dynarray.h" using namespace std; 3 4 5 int main() { cout « "Array capacity: "; int capacity; cin » capacity; 8 9 10 11 auto a = makeDA(capacity); cout <« "Enter up to cin >> a; 12 13 « capacity << " numbers: "; 14 15 16 cout << "a->" << a « endl;
Transcribed Image Text:One problem with dynamic arrays is that they don't carry around their size. Create a structure, DynArray which uses a unique pointer for a dynamic array (data), and an int for the size and сараcity. dynarray.h 1 #ifndef DYNARRAY_H 2 #define DYNARRAY_H 3 4 #include <iostream> 5 #include <memory> // Define the DynArray structure here struct DynArray{ uniql int size; int capacity; }; 9 10 11 12 13 std::ostreams operator<<(std::ostream& out, const DynArrayu a); std::istream& operator>>(std::istream& in, DynArray& a); 16 DynArray makeDA (int capacity); 14 15 17 18 #endif memory.cpp 1 #include <iostream> 2 #include <string> #include "dynarray.h" using namespace std; 3 4 5 int main() { cout « "Array capacity: "; int capacity; cin » capacity; 8 9 10 11 auto a = makeDA(capacity); cout <« "Enter up to cin >> a; 12 13 « capacity << " numbers: "; 14 15 16 cout << "a->" << a « endl;
Testing memory.cpp Test 1 Input: 3579 10 11 q Actual Expected Array capacity: Terminated by signal 11 Array capacity: Enter up to 3 numbers: a->{5, 7, 9} fail Test 2 Input: 5 875 4 35 678 q Actual Expected Array capacity: Terminated by signal 11 Array capacity: Enter up to 5 numbers: a->{8, 7, 5, 4, 3} fail Test 3 Input: 43 214 12 3 q Actual Expected Array capacity: Terminated by signal 11 Array capacity: Enter up to 4 numbers: a->{3, 2, 1, 4} fail Score
Transcribed Image Text:Testing memory.cpp Test 1 Input: 3579 10 11 q Actual Expected Array capacity: Terminated by signal 11 Array capacity: Enter up to 3 numbers: a->{5, 7, 9} fail Test 2 Input: 5 875 4 35 678 q Actual Expected Array capacity: Terminated by signal 11 Array capacity: Enter up to 5 numbers: a->{8, 7, 5, 4, 3} fail Test 3 Input: 43 214 12 3 q Actual Expected Array capacity: Terminated by signal 11 Array capacity: Enter up to 4 numbers: a->{3, 2, 1, 4} fail Score
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