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Who could write the array.cpp file ?   //main.cpp #include "array.hpp" #include <iostream> int main() { int...

Who could write the array.cpp file ?  

//main.cpp

#include "array.hpp"
#include <iostream>

int main() {
int n;

std::cin >> n;

array a(n);

for (int i = 0; i < n; i++) {
std::cin >> a.data()[i];
}

std::cout << "array size:" << a.max_size() << std::endl;
std::cout << "array front:" << a.front() << std::endl;
std::cout << "array back:" << a.back() << std::endl;

int* data = a.data();
std::cout << "array elements using data:" << std::endl;
for (int i = 0; i < n; i++) {
std::cout << data[i] << " ";
}
std::cout << std::endl;

std::cout << "array elements using at:" << std::endl;
for (int i = 0; i < n; i++) {
std::cout << a.at(i) << " ";
}
std::cout << std::endl;

std::cout << "array fill:" << std::endl;
a.fill(9);
for (int i = 0; i < n; i++) {
std::cout << a.at(i) << " ";
}
std::cout << std::endl;

for (int i = 0; i < n; i++) {
std::cin >> a.at(i);
}

std::cout << "array assign:" << std::endl;
for (int i = 0; i < n; i++) {
std::cout << a.at(i) << " ";
}
std::cout << std::endl;

std::cout << "sort the array:" << std::endl;
a.sort(0, a.max_size());
for (int i = 0; i < n; i++) {
std::cout << a.at(i) << " ";
}
std::cout << std::endl;

int m;
std::cin >> m;

a.resize(n + m);

for (int i = n; i < n + m; i++) {
std::cin >> a.at(i);
}

std::cout << "resize and then input:(max size:" << a.max_size() << ")"
<< std::endl;
for (int i = 0; i < n + m; i++) {
std::cout << a.at(i) << " ";
}
std::cout << std::endl;

std::cout << "resize and then sort:" << std::endl;

a.sort(n + m / 2, m + n);

for (int i = n + m / 2; i < n + m; i++) {
std::cout << a.at(i) << " ";
}
std::cout << std::endl;

return 0;
}

//array.hpp

#ifndef ARRAY_H_
#define ARRAY_H_

class array {
typedef int* pointer;
typedef unsigned int size_t;
typedef int data_type;

pointer _data;
size_t _size;

public:
// constructor
array(size_t size);
// destructor
~array();
// Capacity
// Return maximum size
size_t max_size(void);

// Element access
// Access element
// int& operator[](const int &i) {return data[i];}
// Access element
data_type& at(const data_type& i);
// Access first element
data_type& front();
// Access last element
data_type& back();
// Get pointer to data
pointer data();

// Modifiers
// Fill array with the same value
void fill(const data_type& value);
// Resize the array (newSize > oldSize)
void resize(int newSize);
// Sort the array in the section [from, to)
void sort(int from, int to);
};

#endif // ARRAY_H_

//array.cpp  

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Homework Answers

Answer #1

main.cpp

#include "array.hpp"
#include <iostream>

int main() {
int n;

std::cin >> n;

array a(n);

for (int i = 0; i < n; i++) {
    std::cin >> a.data()[i];
}

std::cout << "array size:" << a.max_size() << std::endl;
std::cout << "array front:" << a.front() << std::endl;
std::cout << "array back:" << a.back() << std::endl;

int* data = a.data();
std::cout << "array elements using data:" << std::endl;
for (int i = 0; i < n; i++) {
    std::cout << data[i] << " ";
}
std::cout << std::endl;

std::cout << "array elements using at:" << std::endl;
for (int i = 0; i < n; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

std::cout << "array fill:" << std::endl;
a.fill(9);
for (int i = 0; i < n; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

for (int i = 0; i < n; i++) {
    std::cin >> a.at(i);
}

std::cout << "array assign:" << std::endl;
for (int i = 0; i < n; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

std::cout << "sort the array:" << std::endl;
a.sort(0, a.max_size());
for (int i = 0; i < n; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

int m;
std::cin >> m;

a.resize(n + m);

for (int i = n; i < n + m; i++) {
    std::cin >> a.at(i);
}

std::cout << "resize and then input:(max size:" << a.max_size() << ")"
            << std::endl;
for (int i = 0; i < n + m; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

std::cout << "resize and then sort:" << std::endl;

a.sort(n + m / 2, m + n);

for (int i = n + m / 2; i < n + m; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

return 0;
}


array.cpp

#include "array.hpp"
#include <iostream>

int main() {
int n;

std::cin >> n;

array a(n);

for (int i = 0; i < n; i++) {
    std::cin >> a.data()[i];
}

std::cout << "array size:" << a.max_size() << std::endl;
std::cout << "array front:" << a.front() << std::endl;
std::cout << "array back:" << a.back() << std::endl;

int* data = a.data();
std::cout << "array elements using data:" << std::endl;
for (int i = 0; i < n; i++) {
    std::cout << data[i] << " ";
}
std::cout << std::endl;

std::cout << "array elements using at:" << std::endl;
for (int i = 0; i < n; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

std::cout << "array fill:" << std::endl;
a.fill(9);
for (int i = 0; i < n; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

for (int i = 0; i < n; i++) {
    std::cin >> a.at(i);
}

std::cout << "array assign:" << std::endl;
for (int i = 0; i < n; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

std::cout << "sort the array:" << std::endl;
a.sort(0, a.max_size());
for (int i = 0; i < n; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

int m;
std::cin >> m;

a.resize(n + m);

for (int i = n; i < n + m; i++) {
    std::cin >> a.at(i);
}

std::cout << "resize and then input:(max size:" << a.max_size() << ")"
            << std::endl;
for (int i = 0; i < n + m; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

std::cout << "resize and then sort:" << std::endl;

a.sort(n + m / 2, m + n);

for (int i = n + m / 2; i < n + m; i++) {
    std::cout << a.at(i) << " ";
}
std::cout << std::endl;

return 0;
}


array.hpp

#ifndef ARRAY_H_
#define ARRAY_H_

class array {
typedef int* pointer;
typedef unsigned int size_t;
typedef int data_type;

pointer _data;
size_t _size;

public:
// constructor
array(size_t size);
// destructor
~array();
// Capacity
// Return maximum size
size_t max_size(void);

// Element access
// Access element
// int& operator[](const int &i) {return data[i];}
// Access element
data_type& at(const data_type& i);
// Access first element
data_type& front();
// Access last element
data_type& back();
// Get pointer to data
pointer data();

// Modifiers
// Fill array with the same value
void fill(const data_type& value);
// Resize the array (newSize > oldSize)
void resize(int newSize);
// Sort the array in the section [from, to)
void sort(int from, int to);
};

#endif // ARRAY_H_

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