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Created Nov 8, 2019
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Практика 8
#include "vector.h"
vector_int::vector_int() {
size_ = 0;
capacity_ = 16;
data_ = new int[capacity_];
void vector_int::reserve(size_t new_size) {
if (new_size <= capacity_)
capacity_ = new_size;
int *new_data = new int[capacity_];
for (size_t i = 0; i != size_; i++) {
new_data[i] = data_[i];
delete[] data_;
data_ = new_data;
#pragma once
#include <cstddef>
class vector_int {
vector_int(const vector_int& other);
vector_int& operator=(const vector_int& other);
void push_back(int x);
void reserve(size_t new_size);
int& operator[](size_t id);
const int& operator[](size_t id) const;
int *data_;
size_t size_;
size_t capacity_;
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