c++ primer 12.1.2练习

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//12.1.2节练习//练习12.6
#include<iostream>
#include<memory>
#include<vector>
using namespace std;
vector<int>* vect()
{
vector<int> *p = new vector<int>;
return p;
delete p;
}
vector<int>* read(vector<int>* vect)
{
auto p = vect;
int a;
while (cin >> a)
p->push_back(a);
return p;
delete p;
}
void print(vector<int>* read)
{
auto p = read;
for (auto &v : *p)
cout << v << ends;
}
int main()
{
print(read(vect()));
system("pause");
return 0;

}

//12.1.2节练习//练习12,7
#include<iostream>
#include<memory>
#include<vector>
using namespace std;
shared_ptr<vector<int>> vect()
{
shared_ptr<vector<int>> vect = make_shared<vector<int>>();
return vect;
}
shared_ptr<vector<int>> read(shared_ptr<vector<int>>& vect)
{
int a;
while (cin >> a)
vect->push_back(a);
return vect;
}
void print(shared_ptr<vector<int>> &read)
{
for (auto &v : *read)
cout << v << ends;
}
int main()
{
print(read(vect()));
system("pause");
return 0;
}

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