C++ Primer 学习中。。。
简单记录下我的学习过程 (代码为主)
/*****************************************
//
partial_sort(b,se,e)
partial_sort(b,se,e,p)
partial_sort_copy(sb,se,db,de)
partial_sort_copy(sb,se,db,de,p)
*****************************************/
/**----------------------------------------------------------------------------------
STL算法---排序算法
sort() make_heap()
stable_sort() push_heap()
partial_sort() pop_heap()
partial_sort_copy() sort_heap()
nth_element()
partition()
stable_partition()
----------------------------------------------------------------------------------**/
/**------http://blog.csdn.net/u010579068------**/ #include<iostream> #include<cstdio> #include<string> #include<vector> #include<list> #include<deque> #include<algorithm> using namespace std; /***************************************** // partial_sort(b,se,e) partial_sort(b,se,e,p) partial_sort_copy(sb,se,db,de) partial_sort_copy(sb,se,db,de,p) *****************************************/ /**---------------------------------------------------------------------------------- STL算法---排序算法 sort() make_heap() stable_sort() push_heap() partial_sort() pop_heap() partial_sort_copy() sort_heap() nth_element() partition() stable_partition() ----------------------------------------------------------------------------------**/ /************************************************************************************* std::partial_sort 所有排序容器适用 algorithm -------------------------------------------------------------------------------------- template <class RandomAccessIterator> void partial_sort ( RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last ); template <class RandomAccessIterator, class Compare> void partial_sort ( RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp ); //eg: *************************************************************************************/ /************************************************************************************* std::partial_sort_copy 所有排序容器适用 algorithm -------------------------------------------------------------------------------------- template <class InputIterator, class RandomAccessIterator> RandomAccessIterator partial_sort_copy ( InputIterator first,InputIterator last, RandomAccessIterator result_first, RandomAccessIterator result_last ); template <class InputIterator, class RandomAccessIterator, class Compare> RandomAccessIterator partial_sort_copy ( InputIterator first,InputIterator last, RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp ); //eg: *************************************************************************************/ bool myfunction (int i,int j) { return (i<j); } template <typename T> void Print(T& V) { typename T::iterator iter=V.begin(); while(iter != V.end()) { cout<<*iter++<<" "; } cout<<endl; } int main () { int myints[] = {7,6,9,4,1,5,8,2,3}; vector<int> myvector (myints, myints+9); // vector<int>::iterator it; // using default comparison (operator <): partial_sort (myvector.begin(), myvector.begin()+5, myvector.end()); cout << "myvector contains:"; Print(myvector); deque<int> mydeque(myints,myints+9); // using function as comp partial_sort (mydeque.begin(), mydeque.begin()+5, mydeque.end(),myfunction); // print out content: cout << "mydeque contains:"; Print(mydeque); // for (it=myvector.begin(); it!=myvector.end(); ++it) // cout << " " << *it; cout << endl; /**--------------------------------------------------------------------------**/ vector<int> vec (5); deque <int> deq (5); // using default comparison (operator <): partial_sort_copy (myints, myints+9, vec.begin(), vec.end()); cout << "myvector contains:"; Print(vec); // using function as comp partial_sort_copy (myints, myints+9, deq.begin(), deq.end(), myfunction); // print out content: cout << "mydeque contains:"; Print(deq); // for (it=myvector.begin(); it!=myvector.end(); ++it) // cout << " " << *it; cout << endl; return 0; }
时间: 2024-11-01 05:39:00