제출 #941979

#제출 시각아이디문제언어결과실행 시간메모리
941979Edu175Aliens (IOI16_aliens)C++17
컴파일 에러
0 ms0 KiB
#include "aliens.h"
#include <bits/stdc++.h>
#define pb push_back
#define fst first
#define snd second
#define fore(i,a,b) for(ll i=a,ggdem=b;i<ggdem;++i)
#define SZ(x) ((int)x.size())
#define ALL(x) x.begin(),x.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define FIN ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define imp(v) for(auto messi:v)cout<<messi<<" "; cout<<"\n"
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;

#define bint __int128

const ll INF=2e12;
ll sq(ll n){return n*n;}
vector<ii>a;
ll sup(ll i){
	return (!i?0:sq(max(a[i-1].snd-a[i].fst,(ll)0)));
}
const ll MAXN=1e5+5;
ll dp[MAXN],cnt[MAXN];
//(min, increasing insert coefficents, non increasing queries, online) 
//for maximum just change the sign of lines
ll idiv(ll a, ll b){ //int division
	/*if((a<0)^(b<0))return (a+b-1)/b; //ceil
	return a/b; //floor*/
	return a/b+(a%b?!((a>0)^(b>0)):0); // ==ceil(a/b)
}
struct ln{
	bint a,b,i;
	bint eq(bint x){return a*x+b;}
	pair<bint,bint> operator^(ln l){
		bint x=idiv(b-l.b,l.a-a);
		return {x,eq(x)};
	}
};
deque<ln>cht;
ii query(bint x){
	ln l=cht.back(); cht.pop_back();
	while(SZ(cht)&&l.eq(x)>=cht.back().eq(x))l=cht.back(),cht.pop_back();
	cht.pb(l);
	return {cht.back().eq(x)/MAXN,cht.back().i};
}
void insert(ln l){
	l.a*=MAXN,l.b=l.b*MAXN+cnt[l.i];
	if(!SZ(cht)){
		cht.pb(l);
		return;
	}
	ln m=cht.front(); cht.pop_front();
	while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
		m=cht.front(),cht.pop_front();
	cht.push_front(m), cht.push_front(l);
}
void f(ll n, ll d){
	cht.clear();
	//cout<<"f "<<d<<":\n";
	for(ll i=n-1;i>=0;i--){
		insert(ln({-2*a[i].snd,sq(a[i].snd)+dp[i+1],i+1}));
		ll &res=dp[i];
		ii rq=query(a[i].fst);
		res=rq.fst+sq(a[i].fst)-sup(i)+d;
		cnt[i]=cnt[rq.snd]+1;
		//cout<<i<<": ("<<rq.snd<<") "<<dp[i]<<" "<<cnt[i]<<"\n";
	}
	//cout<<cnt[0]<<"\n\n";
}
long long take_photos(int n, int m, int k, std::vector<int> R, std::vector<int> C) {
	vector<ii>a_;
	fore(i,0,n){
		ll l=R[i],r=C[i];
		if(l>r)swap(l,r);
		r++;
		a.pb({l,-r});
	}
	sort(ALL(a));
	//for(auto i:a)cout<<i.fst<<","<<i.snd<<" ";;cout<<"\n";;
	ll r=0;
	for(auto [s,e]:a){
		e=-e;
		if(e>r)a_.pb({s,e}),r=e;
	}
	a=a_;
	n=SZ(a);
	//for(auto i:a)cout<<i.fst<<","<<i.snd<<" ";;cout<<"\n";
	ll l=0; r=1e13;
	while(l<=r){
		ll m=(l+r)/2;
		f(n,m);
		if(cnt[0]<=k)r=m-1;
		else l=m+1;
	}
	//cout<<n<<" "<<k<<"\n";
	//cout<<l<<"\n";
	f(n,l);
	ll res=dp[0]-l*k;
	//cout<<cnt[0]<<"\n";
	return res;
}

컴파일 시 표준 에러 (stderr) 메시지

aliens.cpp: In function 'void insert(ln)':
aliens.cpp:55:52: error: no match for 'operator==' (operand types are 'ln' and 'ln')
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                   ~^~~
      |                                                   |  |
      |                                                   ln ln
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/regex.h:1035:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1035 |     operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1035:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/regex.h:1131:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)'
 1131 |     operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1131:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/regex.h:1206:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1206 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1206:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/regex.h:1298:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1298 |     operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1298:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/regex.h:1373:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1373 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1373:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/regex.h:1466:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1466 |     operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1466:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/regex.h:1545:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1545 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1545:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/regex.h:2101:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)'
 2101 |     operator==(const match_results<_Bi_iter, _Alloc>& __m1,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:2101:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/vector:60,
                 from aliens.h:3,
                 from aliens.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:466:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  466 |     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:466:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::pair<_T1, _T2>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/vector:60,
                 from aliens.h:3,
                 from aliens.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:360:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  360 |     operator==(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:360:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::reverse_iterator<_Iterator>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/vector:60,
                 from aliens.h:3,
                 from aliens.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  398 |     operator==(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:398:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::reverse_iterator<_Iterator>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/vector:60,
                 from aliens.h:3,
                 from aliens.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1427 |     operator==(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1427:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::move_iterator<_IteratorL>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/vector:60,
                 from aliens.h:3,
                 from aliens.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1495:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
 1495 |     operator==(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1495:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::move_iterator<_IteratorL>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/vector:64,
                 from aliens.h:3,
                 from aliens.cpp:1:
/usr/include/c++/10/bits/allocator.h:206:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_Tp1>&, const std::allocator<_T2>&)'
  206 |     operator==(const allocator<_T1>&, const allocator<_T2>&)
      |     ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:206:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::allocator<_Tp1>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/vector:67,
                 from aliens.h:3,
                 from aliens.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1892:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator==(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)'
 1892 |     operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1892:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::vector<_Tp, _Alloc>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/iosfwd:40,
                 from /usr/include/c++/10/ios:38,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/postypes.h:222:5: note: candidate: 'template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)'
  222 |     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/postypes.h:222:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::fpos<_StateT>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:2:
/usr/include/c++/10/string_view:490:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
  490 |     operator==(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:490:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:2:
/usr/include/c++/10/string_view:496:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)'
  496 |     operator==(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:496:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:2:
/usr/include/c++/10/string_view:519:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)'
  519 |     operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:519:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.front()))
      |                                                      ^
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from aliens.cpp:2:
/usr/include/c++/10/bits/basic_string.h:6153:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6153 |     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6153:5: note:   template argument deduction/substitution failed:
aliens.cpp:55:54: note:   'ln' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   55 |  while(SZ(cht)&&((l^m).fst>(m^cht.front()).fst||l^m==m^cht.