c++ primer 习题 14.37

#include <iostream>
#include <functional>
#include <algorithm>
#include <string>
#include <vector>
using namespace std;
int main()
{
	const int ARR_SIZE=7;
	int ia[ARR_SIZE]={1,1025,2,1026,1030,3,1048};
	vector<int> ivec(ia,ia+ARR_SIZE);
	string sa[ARR_SIZE]={"many","math","that","pooth","this","pooth","happy"};
	vector<string> svec(sa,sa+ARR_SIZE);
	//查找大于1024的所有值
	cout<<"all values that are greater than 1024:"<<endl;
	vector<int>::iterator iter=ivec.begin();
	while ((iter=find_if(iter,ivec.end(),
		bind2nd(greater<int>(),1024)))!=ivec.end())
	{
		cout<<*iter<<' ';
		++iter;
	}
	cout<<endl;
	//查找不等于"booth"的所有字符串
	cout<<endl<<"all strings that are not equal to pooh:"<<endl;
	vector<string>::iterator it=svec.begin();
	while ((it=find_if(it,svec.end(),
		bind2nd(not_equal_to<string>(),"pooth")))!=svec.end())
	{
		cout<<*it<<' ';
		++it;
	}
	cout<<endl;
	//将所有值乘以2
	transform(ivec.begin(),ivec.end(),ivec.begin(),
				bind2nd(multiplies<int>(),2));
	//输出元素
	cout<<endl<<"all values multiplied by 2:"<<endl;
	for (vector<int>::iterator it2=ivec.begin();it2!=ivec.end();++it2)
	{
		cout<<*it2<<" ";
	}
	cout<<endl;
	return 0;
}