流迭代器和算法一起使用

streamIteratorTest.cpp

#include <iostream>
#include <iterator>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
        istream_iterator<int> cin_it(cin);
        istream_iterator<int> end_of_stream;
        vector<int> vec(cin_it,end_of_stream);
        sort(vec.begin(),vec.end());
        ostream_iterator<int> output(cout," ");
        unique_copy(vec.begin(),vec.end(),output);
        return 0;
}