# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
61808 | 2018-07-26T18:18:18 Z | theknife2001 | Crayfish scrivener (IOI12_scrivener) | C++17 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h> #define ii pair < char , char > #define fi first #define se second using namespace std; const int N=1e6+5; ii a[N]; char s[N]; bool q=0; int i=0; void Init() {} void TypeLetter(char L) { a[i]={'T',L}; i++; } void UndoCommands(int U) { a[i]={'U','0'+U}; i++; } int j=0; char GetLetter(int P) { int cnt=0; if(!q) { j=0; while(i>0) { i--; if(a[i].fi=='T') { s[j]=a[i].se; j++; } else if(a[i]=='U') { i-=(a[i].se-'0'); } else break; cnt++; if(cnt>1e7) assert(0); } } q=1; return s[P]; }
Compilation message
scrivener.cpp: In function 'char GetLetter(int)': scrivener.cpp:42:25: error: no match for 'operator==' (operand types are 'std::pair<char, char>' and 'char') else if(a[i]=='U') ~~~~^~~~~ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from scrivener.cpp:1: /usr/include/c++/7/bits/regex.h:940:5: note: candidate: template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&) operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) ^~~~~~~~ /usr/include/c++/7/bits/regex.h:940:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from scrivener.cpp:1: /usr/include/c++/7/bits/regex.h:1013:5: 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>&) operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1013:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from scrivener.cpp:1: /usr/include/c++/7/bits/regex.h:1093:5: 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>&) operator==(const sub_match<_Bi_iter>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1093:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from scrivener.cpp:1: /usr/include/c++/7/bits/regex.h:1173:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&) operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1173:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from scrivener.cpp:1: /usr/include/c++/7/bits/regex.h:1247:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*) operator==(const sub_match<_Bi_iter>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1247:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from scrivener.cpp:1: /usr/include/c++/7/bits/regex.h:1321:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&) operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1321:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from scrivener.cpp:1: /usr/include/c++/7/bits/regex.h:1401:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&) operator==(const sub_match<_Bi_iter>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1401:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/regex:62:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110, from scrivener.cpp:1: /usr/include/c++/7/bits/regex.h:1920:5: 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>&) operator==(const match_results<_Bi_iter, _Alloc>& __m1, ^~~~~~~~ /usr/include/c++/7/bits/regex.h:1920:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0, from /usr/include/c++/7/bits/specfun.h:45, from /usr/include/c++/7/cmath:1914, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from scrivener.cpp:1: /usr/include/c++/7/bits/stl_pair.h:443:5: note: candidate: template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^~~~~~~~ /usr/include/c++/7/bits/stl_pair.h:443:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: mismatched types 'const std::pair<_T1, _T2>' and 'char' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0, from /usr/include/c++/7/bits/specfun.h:45, from /usr/include/c++/7/cmath:1914, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from scrivener.cpp:1: /usr/include/c++/7/bits/stl_iterator.h:299:5: note: candidate: template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&) operator==(const reverse_iterator<_Iterator>& __x, ^~~~~~~~ /usr/include/c++/7/bits/stl_iterator.h:299:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::reverse_iterator<_Iterator>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0, from /usr/include/c++/7/bits/specfun.h:45, from /usr/include/c++/7/cmath:1914, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from scrivener.cpp:1: /usr/include/c++/7/bits/stl_iterator.h:337:5: note: candidate: template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&) operator==(const reverse_iterator<_IteratorL>& __x, ^~~~~~~~ /usr/include/c++/7/bits/stl_iterator.h:337:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::reverse_iterator<_Iterator>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0, from /usr/include/c++/7/bits/specfun.h:45, from /usr/include/c++/7/cmath:1914, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from scrivener.cpp:1: /usr/include/c++/7/bits/stl_iterator.h:1118:5: note: candidate: template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&) operator==(const move_iterator<_IteratorL>& __x, ^~~~~~~~ /usr/include/c++/7/bits/stl_iterator.h:1118:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::move_iterator<_IteratorL>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0, from /usr/include/c++/7/bits/specfun.h:45, from /usr/include/c++/7/cmath:1914, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41, from scrivener.cpp:1: /usr/include/c++/7/bits/stl_iterator.h:1124:5: note: candidate: template<class _Iterator> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&) operator==(const move_iterator<_Iterator>& __x, ^~~~~~~~ /usr/include/c++/7/bits/stl_iterator.h:1124:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::move_iterator<_IteratorL>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/iosfwd:40:0, from /usr/include/c++/7/ios:38, 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 scrivener.cpp:1: /usr/include/c++/7/bits/postypes.h:216:5: note: candidate: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^~~~~~~~ /usr/include/c++/7/bits/postypes.h:216:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::fpos<_StateT>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/string:41:0, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, 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 scrivener.cpp:1: /usr/include/c++/7/bits/allocator.h:146:5: note: candidate: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&) operator==(const allocator<_T1>&, const allocator<_T2>&) ^~~~~~~~ /usr/include/c++/7/bits/allocator.h:146:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::allocator<_CharT>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/string:41:0, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, 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 scrivener.cpp:1: /usr/include/c++/7/bits/allocator.h:152:5: note: candidate: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&) operator==(const allocator<_Tp>&, const allocator<_Tp>&) ^~~~~~~~ /usr/include/c++/7/bits/allocator.h:152:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::allocator<_CharT>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/bits/basic_string.h:48:0, from /usr/include/c++/7/string:52, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, 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 scrivener.cpp:1: /usr/include/c++/7/string_view:450:5: note: candidate: template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>) operator==(basic_string_view<_CharT, _Traits> __x, ^~~~~~~~ /usr/include/c++/7/string_view:450:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'std::basic_string_view<_CharT, _Traits>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/bits/basic_string.h:48:0, from /usr/include/c++/7/string:52, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, 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 scrivener.cpp:1: /usr/include/c++/7/string_view:456:5: note: candidate: template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::__detail::__idt<std::basic_string_view<_CharT, _Traits> >) operator==(basic_string_view<_CharT, _Traits> __x, ^~~~~~~~ /usr/include/c++/7/string_view:456:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'std::basic_string_view<_CharT, _Traits>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/bits/basic_string.h:48:0, from /usr/include/c++/7/string:52, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, 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 scrivener.cpp:1: /usr/include/c++/7/string_view:462:5: note: candidate: template<class _CharT, class _Traits> constexpr bool std::operator==(std::__detail::__idt<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>) operator==(__detail::__idt<basic_string_view<_CharT, _Traits>> __x, ^~~~~~~~ /usr/include/c++/7/string_view:462:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'char' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/string:52:0, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, 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 scrivener.cpp:1: /usr/include/c++/7/bits/basic_string.h:5997:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&) operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^~~~~~~~ /usr/include/c++/7/bits/basic_string.h:5997:5: note: template argument deduction/substitution failed: scrivener.cpp:42:27: note: 'std::pair<char, char>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' else if(a[i]=='U') ^~~ In file included from /usr/include/c++/7/string:52:0, from /usr/include/c++/7/bits/locale_classes.h:40, from /usr/include/c++/7/bits/ios_base.h:41, from /usr/include/c++/7/ios:42, 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 scrivener.cpp:1: /usr/include/c++/7/bits/basic_string.h:6005:5: note: candidate: template<class _CharT> typename __g