// display3.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include <algorithm>
#include<ostream>
#include<iostream>
#include <vector>
#include<functional>
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{
vector<int> vTest;
//减少重复分配
vTest.reserve(10);
for(int i=0;i<10;++i)
vTest.push_back(rand()%20);
//去除多分配的空间
vector<int>(vTest).swap(vTest);
//输出显示
copy(vTest.begin(),vTest.end(),ostream_iterator<int>(cout," "));
cout<<endl;
//返回算法迭代器
vector<int>::iterator it;
//二元函数的使用
//it=partition(vTest.begin(),vTest.end(),bind2nd(greater_equal<int>(),4) );
it=unique(vTest.begin(),vTest.end());
copy(vTest.begin(),vTest.end(),ostream_iterator<int>(cout," "));
cout<<endl;
//利用迭代器删除元素
vTest.erase(it,vTest.end());
copy(vTest.begin(),vTest.end(),ostream_iterator<int>(cout," "));
cout<<endl;
getchar();
return 0;
}
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转载自blog.csdn.net/sichuanpb/article/details/80909758
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