Submission #110389

#TimeUsernameProblemLanguageResultExecution timeMemory
110389pamajGrowing Vegetable is Fun 3 (JOI19_ho_t3)C++14
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; const int maxn = 410; int n; bool check(string t) { for(int i = 0; i < t.size(); i++) if(t[i] == t[i + 1]) return false; return true; } unordered_map<pair<int, string>, int> dp; int solve(int num, string s) { if(check(s)) return dp[{num, s}] = num; if(dp[{num, s}]) return dp[{num, s}]; int melhor = 1e9; if(num == n) return 1e9; for(int i = 0; i < n - 1; i++) { string temp = s; swap(temp[i], temp[i + 1]); melhor = min(melhor, solve(num + 1, temp)); } return dp[{num, s}] = melhor; } int main() { cin >> n; string s; cin >> s; int ans = solve(0, s); cout << (ans == (int)1e9 ? -1 : ans) << "\n"; }

Compilation message (stderr)

joi2019_ho_t3.cpp: In function 'bool check(std::__cxx11::string)':
joi2019_ho_t3.cpp:9:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < t.size(); i++)
                 ~~^~~~~~~~~~
In file included from /usr/include/c++/7/bits/hashtable.h:35:0,
                 from /usr/include/c++/7/unordered_map:47,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:117,
                 from joi2019_ho_t3.cpp:1:
/usr/include/c++/7/bits/hashtable_policy.h: In instantiation of 'struct std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char> >, std::hash<std::pair<int, std::__cxx11::basic_string<char> > > >':
/usr/include/c++/7/type_traits:143:12:   required from 'struct std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > >'
/usr/include/c++/7/type_traits:154:31:   required from 'struct std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
/usr/include/c++/7/bits/unordered_map.h:103:66:   required from 'class std::unordered_map<std::pair<int, std::__cxx11::basic_string<char> >, int>'
joi2019_ho_t3.cpp:15:39:   required from here
/usr/include/c++/7/bits/hashtable_policy.h:87:34: error: no match for call to '(const std::hash<std::pair<int, std::__cxx11::basic_string<char> > >) (const std::pair<int, std::__cxx11::basic_string<char> >&)'
  noexcept(declval<const _Hash&>()(declval<const _Key&>()))>
           ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
                 from /usr/include/c++/7/bits/nested_exception.h:40,
                 from /usr/include/c++/7/exception:143,
                 from /usr/include/c++/7/ios:39,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from joi2019_ho_t3.cpp:1:
/usr/include/c++/7/type_traits: In instantiation of 'struct std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >':
/usr/include/c++/7/bits/unordered_map.h:103:66:   required from 'class std::unordered_map<std::pair<int, std::__cxx11::basic_string<char> >, int>'
joi2019_ho_t3.cpp:15:39:   required from here
/usr/include/c++/7/type_traits:154:31: error: 'value' is not a member of 'std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > >'
     : public __bool_constant<!bool(_Pp::value)>
                               ^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/unordered_map:48:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:117,
                 from joi2019_ho_t3.cpp:1:
/usr/include/c++/7/bits/unordered_map.h: In instantiation of 'class std::unordered_map<std::pair<int, std::__cxx11::basic_string<char> >, int>':
joi2019_ho_t3.cpp:15:39:   required from here
/usr/include/c++/7/bits/unordered_map.h:103:66: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef __umap_hashtable<_Key, _Tp, _Hash, _Pred, _Alloc>  _Hashtable;
                                                                  ^~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:110:45: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::key_type key_type;
                                             ^~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:111:47: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::value_type value_type;
                                               ^~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:112:48: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::mapped_type mapped_type;
                                                ^~~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:113:43: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::hasher hasher;
                                           ^~~~~~
/usr/include/c++/7/bits/unordered_map.h:114:46: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::key_equal key_equal;
                                              ^~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:115:51: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::allocator_type allocator_type;
                                                   ^~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:120:45: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::pointer  pointer;
                                             ^~~~~~~
/usr/include/c++/7/bits/unordered_map.h:121:50: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::const_pointer const_pointer;
                                                  ^~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:122:47: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::reference  reference;
                                               ^~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:123:52: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::const_reference const_reference;
                                                    ^~~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:124:46: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::iterator  iterator;
                                              ^~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:125:51: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::const_iterator const_iterator;
                                                   ^~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:126:51: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::local_iterator local_iterator;
                                                   ^~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:127:57: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::const_local_iterator const_local_iterator;
                                                         ^~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:128:47: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::size_type  size_type;
                                               ^~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:129:52: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       typedef typename _Hashtable::difference_type difference_type;
                                                    ^~~~~~~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:288:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       operator=(initializer_list<value_type> __l)
       ^~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:386:2: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
  emplace(_Args&&... __args)
  ^~~~~~~
/usr/include/c++/7/bits/unordered_map.h:578:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       insert(const value_type& __x)
       ^~~~~~
/usr/include/c++/7/bits/unordered_map.h:584:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       insert(value_type&& __x)
       ^~~~~~
/usr/include/c++/7/bits/unordered_map.h:591:2: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
  insert(_Pair&& __x)
  ^~~~~~
/usr/include/c++/7/bits/unordered_map.h:657:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       insert(initializer_list<value_type> __l)
       ^~~~~~
/usr/include/c++/7/bits/unordered_map.h:953:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       equal_range(const key_type& __x)
       ^~~~~~~~~~~
/usr/include/c++/7/bits/unordered_map.h:957:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::pair<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > >'
       equal_range(const key_type& __x) const
       ^~~~~~~~~~~
joi2019_ho_t3.cpp: In function 'int solve(int, std::__cxx11::string)':
joi2019_ho_t3.cpp:19:24: error: no match for 'operator[]' (operand types are 'std::unordered_map<std::pair<int, std::__cxx11::basic_string<char> >, int>' and '<brace-enclosed initializer list>')
  if(check(s)) return dp[{num, s}] = num;
                        ^
joi2019_ho_t3.cpp:21:7: error: no match for 'operator[]' (operand types are 'std::unordered_map<std::pair<int, std::__cxx11::basic_string<char> >, int>' and '<brace-enclosed initializer list>')
  if(dp[{num, s}]) return dp[{num, s}];
       ^
joi2019_ho_t3.cpp:21:28: error: no match for 'operator[]' (operand types are 'std::unordered_map<std::pair<int, std::__cxx11::basic_string<char> >, int>