C++ STL partial_sort_copy

#include <iostream>
#include <deque>
#include <algorithm>
#include <vector>

using namespace std;

int main()
{
  deque<int> deq1;
  deque<int>::iterator deq_iter1;

  vector<int> vec1(15);

  for (int k=0;k<15;k++)
  {
    deq1.push_back(rand());
  }

  for (deq_iter1 = deq1.begin();deq_iter1 != deq1.end();++deq_iter1)
  {
    cout << *deq_iter1 << " ";
  }
  cout << endl;
  cout << "----------------------------------" << endl;

  partial_sort(deq1.begin(), deq1.begin() + 5, deq1.end());

  for (deq_iter1 = deq1.begin(); deq_iter1 != deq1.end(); ++deq_iter1)
  {
    cout << *deq_iter1 << " ";
  }
  cout << endl;
  cout << "----------------------------------" << endl;

  random_shuffle(deq1.begin(), deq1.end());

  partial_sort_copy(deq1.begin(), deq1.end(), vec1.begin(), vec1.end());
  vector<int>::iterator vec_iter1;

  for (vec_iter1 = vec1.begin();vec_iter1 != vec1.end();++vec_iter1)
  {
    cout << *vec_iter1 << " ";
  }
  cout << endl;

 

  system("pause");
  return 0;
}

=================================================

41 18467 6334 26500 19169 15724 11478 29358 26962 24464 5705 28145 23281 16827 9961
----------------------------------
41 5705 6334 9961 11478 26500 19169 29358 26962 24464 18467 28145 23281 16827 15724
----------------------------------
41 5705 6334 9961 11478 15724 16827 18467 19169 23281 24464 26500 26962 28145 29358
请按任意键继续. . .

 

posted @ 2019-06-12 21:08  西北逍遥  阅读(302)  评论(0编辑  收藏  举报