199_vector容器-容量和大小

// ConsoleApplication1.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//

#include<iostream>
#include<vector>
#include<algorithm>
#include<string>

using namespace std;

void printVector(vector<int>&v)
{
  for (vector<int>::iterator it = v.begin(); it != v.end(); it++)
  {
    cout << *it << endl;
  }
}

void test01()
{
  vector<int> v1;
  for (int i = 0; i < 10; i++)
  {
    v1.push_back(i);
  }
  printVector(v1);

  if (v1.empty())
  {
    cout << "v1 is empty" << endl;
  }
  else
  {
    cout << "v1 is not empty" << endl;
    cout << "v1 capacity is" << v1.capacity() << endl;
    cout << "v1 size is" << v1.size() << endl;
  }

  v1.resize(15, 100);
  printVector(v1);
}



int main()
{ 
  test01();
}