?? algrithm
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// algorithm standard header
#if _MSC_VER > 1000 /*IFSTRIP=IGN*/
#pragma once
#endif
#ifndef _ALGORITHM_
#define _ALGORITHM_
#include <iterator>
#include <memory>
#include <xutility>
#ifdef _MSC_VER
#pragma pack(push,8)
#endif /* _MSC_VER */
_STD_BEGIN
const int _CHUNK_SIZE = 7;
const int _SORT_MAX = 16;
// TEMPLATE FUNCTION _Median
template<class _Ty> inline
_Ty _Median(_Ty _X, _Ty _Y, _Ty _Z)
{if (_X < _Y)
return (_Y < _Z ? _Y : _X < _Z ? _Z : _X);
else
return (_X < _Z ? _X : _Y < _Z ? _Z : _Y); }
// TEMPLATE FUNCTION _Median WITH PRED
template<class _Ty, class _Pr> inline
_Ty _Median(_Ty _X, _Ty _Y, _Ty _Z, _Pr _P)
{if (_P(_X, _Y))
return (_P(_Y, _Z) ? _Y : _P(_X, _Z) ? _Z : _X);
else
return (_P(_X, _Z) ? _X : _P(_Y, _Z) ? _Z : _Y); }
// TEMPLATE FUNCTION for_each
template<class _II, class _Fn> inline
_Fn for_each(_II _F, _II _L, _Fn _Op)
{for (; _F != _L; ++_F)
_Op(*_F);
return (_Op); }
// TEMPLATE FUNCTION find
template<class _II, class _Ty> inline
_II find(_II _F, _II _L, const _Ty& _V)
{for (; _F != _L; ++_F)
if (*_F == _V)
break;
return (_F); }
// TEMPLATE FUNCTION find_if
template<class _II, class _Pr> inline
_II find_if(_II _F, _II _L, _Pr _P)
{for (; _F != _L; ++_F)
if (_P(*_F))
break;
return (_F); }
// TEMPLATE FUNCTION adjacent_find
template<class _FI> inline
_FI adjacent_find(_FI _F, _FI _L)
{for (_FI _Fb; (_Fb = _F) != _L && ++_F != _L; )
if (*_Fb == *_F)
return (_Fb);
return (_L); }
// TEMPLATE FUNCTION adjacent_find WITH PRED
template<class _FI, class _Pr> inline
_FI adjacent_find(_FI _F, _FI _L, _Pr _P)
{for (_FI _Fb; (_Fb = _F) != _L && ++_F != _L; )
if (_P(*_Fb, *_F))
return (_Fb);
return (_L); }
// TEMPLATE FUNCTION count
template<class _II, class _Ty> inline
_CNTSIZ(_II) count(_II _F, _II _L, const _Ty& _V)
{_CNTSIZ(_II) _N = 0;
for (; _F != _L; ++_F)
if (*_F == _V)
++_N;
return (_N); }
// TEMPLATE FUNCTION count_if
template<class _II, class _Pr> inline
_CNTSIZ(_II) count_if(_II _F, _II _L, _Pr _P)
{_CNTSIZ(_II) _N = 0;
for (; _F != _L; ++_F)
if (_P(*_F))
++_N;
return (_N); }
// TEMPLATE FUNCTION search
template<class _FI1, class _FI2> inline
_FI1 search(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2)
{return (_Search(_F1, _L1, _F2, _L2,
_Dist_type(_F1), _Dist_type(_F2))); }
template<class _FI1, class _FI2, class _Pd1, class _Pd2> inline
_FI1 _Search(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2,
_Pd1 *, _Pd2 *)
{_Pd1 _D1 = 0;
_Distance(_F1, _L1, _D1);
_Pd2 _D2 = 0;
_Distance(_F2, _L2, _D2);
for (; _D2 <= _D1; ++_F1, --_D1)
{_FI1 _X1 = _F1;
for (_FI2 _X2 = _F2; ; ++_X1, ++_X2)
if (_X2 == _L2)
return (_F1);
else if (!(*_X1 == *_X2))
break; }
return (_L1); }
// TEMPLATE FUNCTION search WITH PRED
template<class _FI1, class _FI2, class _Pr> inline
_FI1 search(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2, _Pr _P)
{return (_Search(_F1, _L1, _F2, _L2, _P,
_Dist_type(_F1), _Dist_type(_F2))); }
template<class _FI1, class _FI2, class _Pd1, class _Pd2,
class _Pr> inline
_FI1 _Search(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2,
_Pr _P, _Pd1 *, _Pd2 *)
{_Pd1 _D1 = 0;
_Distance(_F1, _L1, _D1);
_Pd2 _D2 = 0;
_Distance(_F2, _L2, _D2);
for (; _D2 <= _D1; ++_F1, --_D1)
{_FI1 _X1 = _F1;
for (_FI2 _X2 = _F2; ; ++_X1, ++_X2)
if (_X2 == _L2)
return (_F1);
else if (!_P(*_X1, *_X2))
break; }
return (_L1); }
// TEMPLATE FUNCTION search_n
template<class _FI1, class _Pd2, class _Ty> inline
_FI1 search_n(_FI1 _F1, _FI1 _L1, _Pd2 _N, const _Ty& _V)
{return (_Search_n(_F1, _L1, _N, _V, _Dist_type(_F1))); }
template<class _FI1, class _Pd2, class _Ty, class _Pd1> inline
_FI1 _Search_n(_FI1 _F1, _FI1 _L1,
_Pd2 _N, const _Ty& _V, _Pd1 *)
{_Pd1 _D1 = 0;
_Distance(_F1, _L1, _D1);
for (; _N <= _D1; ++_F1, --_D1)
{_FI1 _X1 = _F1;
for (_Pd2 _D2 = _N; ; ++_X1, --_D2)
if (_D2 == 0)
return (_F1);
else if (!(*_X1 == _V))
break; }
return (_L1); }
// TEMPLATE FUNCTION search_n WITH PRED
template<class _FI1, class _Pd2, class _Ty, class _Pr> inline
_FI1 search_n(_FI1 _F1, _FI1 _L1,
_Pd2 _N, const _Ty& _V, _Pr _P)
{return (_Search_n(_F1, _L1,
_N, _V, _P, _Dist_type(_F1))); }
template<class _FI1, class _Pd2,
class _Ty, class _Pd1, class _Pr> inline
_FI1 _Search_n(_FI1 _F1, _FI1 _L1,
_Pd2 _N, const _Ty& _V, _Pr _P, _Pd1 *)
{_Pd1 _D1 = 0;
_Distance(_F1, _L1, _D1);
for (; _N <= _D1; ++_F1, --_D1)
{_FI1 _X1 = _F1;
for (_Pd2 _D2 = _N; ; ++_X1, --_D2)
if (_D2 == 0)
return (_F1);
else if (!_P(*_X1, _V))
break; }
return (_L1); }
// TEMPLATE FUNCTION find_end
template<class _FI1, class _FI2> inline
_FI1 find_end(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2)
{return (_Find_end(_F1, _L1, _F2, _L2,
_Dist_type(_F1), _Dist_type(_F2))); }
template<class _FI1, class _FI2, class _Pd1, class _Pd2> inline
_FI1 _Find_end(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2,
_Pd1 *, _Pd2 *)
{_Pd1 _D1 = 0;
_Distance(_F1, _L1, _D1);
_Pd2 _D2 = 0;
_Distance(_F2, _L2, _D2);
_FI1 _Ans = _L1;
if (0 < _D2)
for (; _D2 <= _D1; ++_F1, --_D1)
{_FI1 _X1 = _F1;
for (_FI2 _X2 = _F2; ; ++_X1)
if (!(*_X1 == *_X2))
break;
else if (++_X2 == _L2)
{_Ans = _F1;
break; }}
return (_Ans); }
// TEMPLATE FUNCTION find_end WITH PRED
template<class _FI1, class _FI2, class _Pr> inline
_FI1 find_end(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2, _Pr _P)
{return (_Find_end(_F1, _L1, _F2, _L2, _P,
_Dist_type(_F1), _Dist_type(_F2))); }
template<class _FI1, class _FI2, class _Pd1, class _Pd2,
class _Pr> inline
_FI1 _Find_end(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2, _Pr _P,
_Pd1 *, _Pd2 *)
{_Pd1 _D1 = 0;
_Distance(_F1, _L1, _D1);
_Pd2 _D2 = 0;
_Distance(_F2, _L2, _D2);
_FI1 _Ans = _L1;
if (0 < _D2)
for (; _D2 <= _D1; ++_F1, --_D1)
{_FI1 _X1 = _F1;
for (_FI2 _X2 = _F2; ; ++_X1)
if (!_P(*_X1, *_X2))
break;
else if (++_X2 == _L2)
{_Ans = _F1;
break; }}
return (_Ans); }
// TEMPLATE FUNCTION find_first_of
template<class _FI1, class _FI2> inline
_FI1 find_first_of(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2)
{for (; _F1 != _L1; ++_F1)
for (_FI2 _X2 = _F2; _X2 != _L2; ++_X2)
if (*_F1 == *_X2)
return (_F1);
return (_F1); }
// TEMPLATE FUNCTION find_first_of WITH PRED
template<class _FI1, class _FI2, class _Pr> inline
_FI1 find_first_of(_FI1 _F1, _FI1 _L1, _FI2 _F2, _FI2 _L2,
_Pr _P)
{for (; _F1 != _L1; ++_F1)
for (_FI2 _X2 = _F2; _X2 != _L2; ++_X2)
if (_P(*_F1, *_X2))
return (_F1);
return (_F1); }
// TEMPLATE FUNCTION iter_swap
template<class _FI1, class _FI2> inline
void iter_swap(_FI1 _X, _FI2 _Y)
{_Iter_swap(_X, _Y, _Val_type(_X)); }
template<class _FI1, class _FI2, class _Ty> inline
void _Iter_swap(_FI1 _X, _FI2 _Y, _Ty *)
{_Ty _Tmp = *_X;
*_X = *_Y, *_Y = _Tmp; }
// TEMPLATE FUNCTION swap_ranges
template<class _FI1, class _FI2> inline
_FI2 swap_ranges(_FI1 _F, _FI1 _L, _FI2 _X)
{for (; _F != _L; ++_F, ++_X)
iter_swap(_F, _X);
return (_X); }
// TEMPLATE FUNCTION transform WITH UNARY OP
template<class _II, class _OI, class _Uop> inline
_OI transform(_II _F, _II _L, _OI _X, _Uop _U)
{for (; _F != _L; ++_F, ++_X)
*_X = _U(*_F);
return (_X); }
// TEMPLATE FUNCTION transform WITH BINARY OP
template<class _II1, class _II2, class _OI, class _Bop> inline
_OI transform(_II1 _F1, _II1 _L1, _II2 _F2, _OI _X, _Bop _B)
{for (; _F1 != _L1; ++_F1, ++_F2, ++_X)
*_X = _B(*_F1, *_F2);
return (_X); }
// TEMPLATE FUNCTION replace
template<class _FI, class _Ty> inline
void replace(_FI _F, _FI _L, const _Ty& _Vo, const _Ty& _Vn)
{for (; _F != _L; ++_F)
if (*_F == _Vo)
*_F = _Vn; }
// TEMPLATE FUNCTION replace_if
template<class _FI, class _Pr, class _Ty> inline
void replace_if(_FI _F, _FI _L, _Pr _P, const _Ty& _V)
{for (; _F != _L; ++_F)
if (_P(*_F))
*_F = _V; }
// TEMPLATE FUNCTION replace_copy
template<class _II, class _OI, class _Ty> inline
_OI replace_copy(_II _F, _II _L, _OI _X,
const _Ty& _Vo, const _Ty& _Vn)
{for (; _F != _L; ++_F, ++_X)
*_X = *_F == _Vo ? _Vn : *_F;
return (_X); }
// TEMPLATE FUNCTION replace_copy_if
template<class _II, class _OI, class _Pr, class _Ty> inline
_OI replace_copy_if(_II _F, _II _L, _OI _X,
_Pr _P, const _Ty& _V)
{for (; _F != _L; ++_F, ++_X)
*_X = _P(*_F) ? _V : *_F;
return (_X); }
// TEMPLATE FUNCTION generate
template<class _FI, class _Gen> inline
void generate(_FI _F, _FI _L, _Gen _G)
{for (; _F != _L; ++_F)
*_F = _G(); }
// TEMPLATE FUNCTION generate_n
template<class _OI, class _Pd, class _Gen> inline
void generate_n(_OI _F, _Pd _N, _Gen _G)
{for (; 0 < _N; --_N, ++_F)
*_F = _G(); }
// TEMPLATE FUNCTION remove
template<class _FI, class _Ty> inline
_FI remove(_FI _F, _FI _L, const _Ty& _V)
{_F = find(_F, _L, _V);
if (_F == _L)
return (_F);
else
{_FI _Fb = _F;
return (remove_copy(++_F, _L, _Fb, _V)); }}
// TEMPLATE FUNCTION remove_if
template<class _FI, class _Pr> inline
_FI remove_if(_FI _F, _FI _L, _Pr _P)
{_F = find_if(_F, _L, _P);
if (_F == _L)
return (_F);
else
{_FI _Fb = _F;
return (remove_copy_if(++_F, _L, _Fb, _P)); }}
// TEMPLATE FUNCTION remove_copy
template<class _II, class _OI, class _Ty> inline
_OI remove_copy(_II _F, _II _L, _OI _X, const _Ty& _V)
{for (; _F != _L; ++_F)
if (!(*_F == _V))
*_X++ = *_F;
return (_X); }
// TEMPLATE FUNCTION remove_copy_if
template<class _II, class _OI, class _Pr> inline
_OI remove_copy_if(_II _F, _II _L, _OI _X, _Pr _P)
{for (; _F != _L; ++_F)
if (!_P(*_F))
*_X++ = *_F;
return (_X); }
// TEMPLATE FUNCTION unique
template<class _FI> inline
_FI unique(_FI _F, _FI _L)
{_F = adjacent_find(_F, _L);
return (unique_copy(_F, _L, _F)); }
// TEMPLATE FUNCTION unique WITH PRED
template<class _FI, class _Pr> inline
_FI unique(_FI _F, _FI _L, _Pr _P)
{_F = adjacent_find(_F, _L, _P);
return (unique_copy(_F, _L, _F, _P)); }
// TEMPLATE FUNCTION unique_copy
template<class _II, class _OI> inline
_OI unique_copy(_II _F, _II _L, _OI _X)
{return (_F == _L ? _X :
_Unique_copy(_F, _L, _X, _Iter_cat(_F))); }
template<class _II, class _OI> inline
_OI _Unique_copy(_II _F, _II _L, _OI _X, input_iterator_tag)
{return (_Unique_copy(_F, _L, _X, _Val_type(_F))); }
template<class _II, class _OI, class _Ty> inline
_OI _Unique_copy(_II _F, _II _L, _OI _X, _Ty *)
{_Ty _V = *_F;
for (*_X++ = _V; ++_F != _L; )
if (!(_V == *_F))
_V = *_F, *_X++ = _V;
return (_X); }
template<class _FI, class _OI> inline
_OI _Unique_copy(_FI _F, _FI _L, _OI _X, forward_iterator_tag)
{_FI _Fb = _F;
for (*_X++ = *_Fb; ++_F != _L; )
if (!(*_Fb == *_F))
_Fb = _F, *_X++ = *_Fb;
return (_X); }
template<class _BI, class _OI> inline
_OI _Unique_copy(_BI _F, _BI _L, _OI _X,
bidirectional_iterator_tag)
{return (_Unique_copy(_F, _L, _X, forward_iterator_tag())); }
template<class _RI, class _OI> inline
_OI _Unique_copy(_RI _F, _RI _L, _OI _X,
random_access_iterator_tag)
{return (_Unique_copy(_F, _L, _X, forward_iterator_tag())); }
// TEMPLATE FUNCTION unique_copy WITH PRED
template<class _II, class _OI, class _Pr> inline
_OI unique_copy(_II _F, _II _L, _OI _X, _Pr _P)
{return (_F == _L ? _X :
_Unique_copy(_F, _L, _X, _P, _Iter_cat(_F))); }
template<class _II, class _OI, class _Pr> inline
_OI _Unique_copy(_II _F, _II _L, _OI _X, _Pr _P,
input_iterator_tag)
{return (_Unique_copy(_F, _L, _X, _P, _Val_type(_F))); }
template<class _II, class _OI, class _Ty, class _Pr> inline
_OI _Unique_copy(_II _F, _II _L, _OI _X, _Pr _P, _Ty *)
{_Ty _V = *_F;
for (*_X++ = _V; ++_F != _L; )
if (!_P(_V, *_F))
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