Submission #592257

#TimeUsernameProblemLanguageResultExecution timeMemory
592257DeepessonTowns (IOI15_towns)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #define MAX 115 int getDistance(int i, int j); int hubDistance(int N, int sub); typedef std::pair<int,int> pii; std::map<pii,int> memoria; int count=0; int smartgetDistance(int a, int b){ if(a==b)return 0; if(a>b)std::swap(a,b); pii x = {a,b}; if(memoria.find(x)!=memoria.end())return memoria[x]; int d = getDistance(a,b); memoria[x]=d; ++count; return d; } int dist[MAX][2]; pii MaisDistante(int N,int x,int p){ int best=-1,alvo=0; for(int i=0;i!=N;++i){ if(i==x)continue; int d = smartgetDistance(i,x); if(d>best){ best=d; alvo=i; } dist[i][p]=d; } return {best,alvo}; } int dist_centro[MAX]; ///Queries usadas: 3N-3 int hubDistance(int N, int sub) { count=0; memoria.clear(); pii alpha = MaisDistante(N,0,1); pii beta = MaisDistante(N,alpha.second,0); MaisDistante(N,beta.second,1); int d = beta.first; int ans=1e9; int exp_a=0,exp_b=0; for(int i=0;i!=N;++i){ if(i==alpha.second||i==beta.second)continue; int a = dist[i][0]; int b = dist[i][1]; int soma = a+b; int subt = soma-d; int base = subt/2; int custo = std::max(a,b)-base; dist_centro[i]=base; if(custo<ans){///Fora da sub de A ou B ans=custo; exp_a = a-base; exp_b = b-base; } } std::vector<int> fora; int grupos[2]={1,1}; for(int i=0;i!=N;++i){ if(i==alpha.second||i==beta.second)continue; int a = dist[i][0]; int b = dist[i][1]; int soma = a+b; int subt = soma-d; int base = subt/2; int dist_a = a-base; int dist_b = b-base; if(dist_a == exp_a && dist_b == exp_b){///Fora da sub de A ou B fora.push_back(i); }else {///Na subarvore de A ou B if(a>b)grupos[0]++;else grupos[1]++; } } int lim=N/2; if(grupos[0]>lim||grupos[1]>lim)return -ans; ///Para a sub 4 if(sub==4){ int sum = N-(grupos[0]+grupos[1]); if(sum>lim)return -ans; return ans; } assert(sub==3); assert(fora.size()==(N-(grupos[0]+grupos[1]))); std::vector<pii> opcoes; for(auto&x:fora){ bool ok=false; for(int i=0;i!=opcoes.size();++i){ int p = opcoes[i].first; if(smartgetDistance(p,x)<(dist_centro[x]+dist_centro[p])){ ++opcoes[i].second; assert(count<=((N*(N-1))/2)); if(opcoes[i].second>lim){assert(0);return -ans;} assert(!ok); ok=true; } } if(!ok) opcoes.push_back({x,1}); safe:{} } for(auto&x:opcoes)if(x>lim)return -ans; assert(count<=((N*(N-1))/2)); return ans; }

Compilation message (stderr)

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from towns.cpp:1:
towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:85:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   85 |  assert(fora.size()==(N-(grupos[0]+grupos[1])));
      |         ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
towns.cpp:89:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |         for(int i=0;i!=opcoes.size();++i){
      |                     ~^~~~~~~~~~~~~~~
towns.cpp:103:24: error: no match for 'operator>' (operand types are 'std::pair<int, int>' and 'int')
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                       ~^~~~
      |                       | |
      |                       | int
      |                       std::pair<int, int>
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from towns.cpp:1:
/usr/include/c++/10/bits/regex.h:1108:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1108 |     operator>(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1108:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from towns.cpp:1:
/usr/include/c++/10/bits/regex.h:1168:5: 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>&)'
 1168 |     operator>(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1168:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from towns.cpp:1:
/usr/include/c++/10/bits/regex.h:1261:5: 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>&)'
 1261 |     operator>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1261:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from towns.cpp:1:
/usr/include/c++/10/bits/regex.h:1335:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1335 |     operator>(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1335:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from towns.cpp:1:
/usr/include/c++/10/bits/regex.h:1429:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1429 |     operator>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1429:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from towns.cpp:1:
/usr/include/c++/10/bits/regex.h:1505:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1505 |     operator>(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1505:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from towns.cpp:1:
/usr/include/c++/10/bits/regex.h:1605:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1605 |     operator>(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1605:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:502:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  502 |     operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:502:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:378:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  378 |     operator>(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:378:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::reverse_iterator<_Iterator>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:416:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  416 |     operator>(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:416:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::reverse_iterator<_Iterator>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1469:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1469 |     operator>(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1469:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::move_iterator<_IteratorL>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1519:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
 1519 |     operator>(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1519:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::move_iterator<_IteratorL>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
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 towns.cpp:1:
/usr/include/c++/10/string_view:563:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
  563 |     operator> (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:563:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
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 towns.cpp:1:
/usr/include/c++/10/string_view:569:5: 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> >)'
  569 |     operator> (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:569:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
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 towns.cpp:1:
/usr/include/c++/10/string_view:576:5: 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>)'
  576 |     operator> (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:576:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
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 towns.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6305:5: 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>&)'
 6305 |     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6305:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
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 towns.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6318:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 6318 |     operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6318:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   'std::pair<int, int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
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 towns.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6330:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6330 |     operator>(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6330:5: note:   template argument deduction/substitution failed:
towns.cpp:103:25: note:   mismatched types 'const _CharT*' and 'std::pair<int, int>'
  103 |  for(auto&x:opcoes)if(x>lim)return -ans;
      |                         ^~~
In file included from /usr/include/c++/10/tuple:39,
                 from /usr/include/c++/10/functional:54,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from towns.cpp:1:
/usr/include/c++/10/array:293:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator>(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)'
  293 |     operator>(const array<_Tp, _Nm>& __one, co