常用STL算法样例

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// vector.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <vector>#include <algorithm>#include <functional>using namespace std;int _tmain(int argc, _TCHAR* argv[]){//definevector <int>  a;vector <int > b;a.resize(5);//显示数据-------------------------------------------------------    //填充数字fill(a.begin(),a.end(),6);printf("填充显示\n");copy(a.begin(),a.end(),ostream_iterator<int>(cout,"\t"));printf("\n");//拷贝数据copy(a.begin(),a.end(),back_inserter(b));//set valuefor(int i=0;i<5;i++){a.push_back(i+2);}//显示数据-------------------------------------------------------//反转容器reverse(a.begin(),a.end());printf("反转显示显示\n");copy(a.begin(),a.end(),ostream_iterator<int>(cout,"\t"));printf("\n");       //显示数据-------------------------------------------------------//排序sort(a.begin(),a.end());printf("排序显示\n");copy(a.begin(),a.end(),ostream_iterator<int>(cout,"\t"));printf("\n");//显示数据-------------------------------------------------------//替换replace(a.begin(),a.end(),6,7);//replace_if(a.begin(),a.end(),bind2nd(less<int>(),4),20);printf("替换显示\n");copy(a.begin(),a.end(),ostream_iterator<int>(cout,"\t"));printf("\n");//显示数据-------------------------------------------------------//分区partition(a.begin(),a.end(),bind2nd(greater<int>(),4));//replace_if(a.begin(),a.end(),bind2nd(less<int>(),4),20);printf("分区显示\n");copy(a.begin(),a.end(),ostream_iterator<int>(cout,"\t"));printf("\n");   //显示数据-------------------------------------------------------     //去除重复sort(a.begin(),a.end());vector<int>::iterator iter=unique(a.begin(),a.end());a.erase(iter,a.end());printf("去除重复显示\n");copy(a.begin(),a.end(),ostream_iterator<int>(cout,"\t"));printf("\n");getchar();return 0;}
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