template<classBidirIt>boolnext_permutation(BidirIt first, BidirIt last){autor_first=std::make_reverse_iterator(last);autor_last=std::make_reverse_iterator(first);autoleft=std::is_sorted_until(r_first, r_last);if(left!=r_last){autoright=std::upper_bound(r_first, left,*left);std::iter...
1, last); return true; } if (i == first) { std::reverse(first, last); return false; } } } 与排列有关的其他函数 std::next_permutation - cppreferencecomen.cppreferencecom/w/cpp/algorithm/next_permutation 编辑于 2021-11-19 11:03 C / C++ C++ 编程 STL ...
这里的next_permutation的实现思想跟第二部分中全排列的非递归实现的思想一样. 下面给出cppreference.com 提供的一种next_permutation的实现方法: template<classBidirIt>boolnext_permutation(BidirIt first, BidirIt last){if(first == last)returnfalse; BidirIt i = last;if(first == --i)returnfalse;while(...
// alg_next_perm.cpp // compile with: /EHsc #include <vector> #include <deque> #include <algorithm> #include <iostream> #include <ostream> using namespace std; class CInt; ostream& operator<<( ostream& osIn, const CInt& rhs ); class CInt { public: CInt( int n = 0 ) : m_nVa...
// alg_next_perm.cpp // compile with: /EHsc #include <vector> #include <deque> #include <algorithm> #include <iostream> #include <ostream> using namespace std; class CInt; ostream& operator<<( ostream& osIn, const CInt& rhs ); class CInt { public: CInt( int n = 0 ) : m_nVa...
cppreference.com 创建账户 页面 讨论 变换 查看 编辑 历史 std::next_permutationC++ 算法库 在标头 <algorithm> 定义 template< class BidirIt > bool next_permutation( BidirIt first, BidirIt last ); (1) (C++20 起为 constexpr) template< class BidirIt, class Compare > bool next_permutation(...
// alg_next_perm.cpp // compile with: /EHsc #include <vector> #include <deque> #include <algorithm> #include <iostream> #include <ostream> using namespace std; class CInt; ostream& operator<<( ostream& osIn, const CInt& rhs ); class CInt { public: CInt( int n = 0 ) : m_nVa...
// alg_next_perm.cpp // compile with: /EHsc #include <vector> #include <deque> #include <algorithm> #include <iostream> #include <ostream> using namespace std; class CInt; ostream& operator<<( ostream& osIn, const CInt& rhs ); class CInt { public: CInt( int n = 0 ) : m_nVa...
// alg_next_perm.cpp // compile with: /EHsc #include <vector> #include <deque> #include <algorithm> #include <iostream> #include <ostream> using namespace std; class CInt; ostream& operator<<( ostream& osIn, const CInt& rhs ); class CInt { public: CInt( int n = 0 ) : m_nVa...
// alg_next_perm.cpp // compile with: /EHsc #include <vector> #include <deque> #include <algorithm> #include <iostream> #include <ostream> using namespace std; class CInt; ostream& operator<<( ostream& osIn, const CInt& rhs ); class CInt { public: CInt( int n = 0 ) : m_nVa...