#include <vector>
#include <algorithm>

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	std::vector<std::string> vec;
	vec.push_back("one");
	vec.push_back("two");
	vec.push_back("three");
	//查找
	std::vector<std::string>::iterator it = std::find(vec.begin(), vec.end(), "two");
	if (it != vec.end())
		printf("find:%s\n", it->c_str());
	else
		printf("not found.\n");
}

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

using namespace std;

typedef struct _ProductAccount
{
	std::string Product;
	std::string Account;

} ProductAccount;

typedef std::vector<ProductAccount> ProductAccountVec;

typedef struct finder_t
{
	finder_t(std::string p):product(p)
	{
	}

	bool operator()(ProductAccount p)
	{
		return	(product.compare(p.Product) == 0);
	}

	std::string product;

} finder_t;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	ProductAccountVec vecProductAccount;

	ProductAccount pa1 = {"p1", "a1"};
	vecProductAccount.push_back(pa1);

	ProductAccount pa2 = {"p2", "a1"};
	vecProductAccount.push_back(pa2);

	ProductAccount pa3 = {"p2", "a2"};
	vecProductAccount.push_back(pa3);

	ProductAccount pa4 = {"p1", "a3"};
	vecProductAccount.push_back(pa4);

	//通过产品查找账号（多对多的关系，所以有多个结果）
	std::vector<string> vecAccount;
	ProductAccountVec::iterator it = vecProductAccount.begin();
	while((it = std::find_if(it, vecProductAccount.end(), finder_t("p1"))) != vecProductAccount.end())
	{
		vecAccount.push_back(it++->Account);
	}

	for(std::vector<string>::iterator it = vecAccount.begin(); it != vecAccount.end(); it++)
		printf("%s\n", it->c_str());

	return 0;
}