实验六

任务三：

 任务四：

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

void test() {
    using namespace std;

    int n;
    cin >> n;

    Vector<double> x1(n);
    for (auto i = 0; i < n; ++i)
        x1.at(i) = i * 0.7;

    output(x1);

    Vector<int> x2(n, 42);
    Vector<int> x3(x2);

    output(x2);
    output(x3);

    x2.at(0) = 77;
    output(x2);

    x3[0] = 999;
    output(x3);
}

int main() {
    test();
}

#pragma once
#include<iostream>
#include<vector>
using namespace std;
template<typename T>
class Vector {
public:
    Vector(int n0);
    Vector(int n0, T value0);
    Vector(const Vector<T>& v1);
    ~Vector();
    int get_size()const { return n; }
    T &at(int i) { return p[i]; }
    T &operator[](int i) {return p[i]; }
    template<typename T>
    friend void output(Vector<T>&x);
    T value;
private:
    int n;
    T *p;
    
};
template<typename T>
Vector<T>::Vector(int n0) {
    n = n0;
    p = new T[n];
}
template<typename T>
Vector<T>::Vector(int n0,T value0){
    n = n0;
    value = value0;
    p = new T[n];
    for (auto i = 0; i < n; i++)
        p[i] = value;
}
template<typename T>
Vector<T>::Vector(const Vector<T>& v1) {
    n = v1.n;
    p = new T[n];
    for (int i = 0; i < n; i++) {
        p[i] = v1.p[i];
    }
}
template<typename T>
Vector<T>::~Vector(){
    delete p;
}
template<typename T>
void output(Vector<T>& x) {
    for (int i = 0; i < x.n; i++)
        cout << x.at(i) << ' ';
    cout << endl;
}