C++ STL partial_sort
#include <iostream>
#include <deque>
#include <algorithm>
#include <vector>
using namespace std;
int main()
{
deque<int> deq1;
deque<int>::iterator deq_iter1;
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());
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
----------------------------------
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