제출 #374942

#제출 시각아이디문제언어결과실행 시간메모리
374942lakshith_콤보 (IOI18_combo)C++14
컴파일 에러
0 ms0 KiB
#include "combo.h" std::string l; std::string guess_sequence(int n){ int start = ' '; std::string r = ""; if(press("AB")>=1){ if(press("A")>=1)start = 'A'; else start = 'B'; }else{ if(press("X")>=1)start = 'X'; else start = 'Y'; } if(start == 'A'){ r += 'A'; l = "BXY"; }else if(start == 'B'){ r += 'B'; l = "AXY"; }else if(start == 'X'){ r += 'X'; l = "BAY"; }else{ r += 'Y'; l = "ABX"; } if(n==1)return r; int k = 1; for(int i=1;i<n-1;i++){ std::string a,b,c,d; a = r + l[0]+l[0]; b = r + l[0]+l[1]; c = r + l[0]+l[2]; d = r + l[1]; int p = press(a+b+c+d); p -= k; if(p==0){ r += l[2]; }else if(p==1){ r += l[1]; }else { r += l[0]; } k++; } if(press(r+"A"+r+"B")>r.length()){ if(press(r+"A")>r.length())start = 'A'; else start = 'B'; }else{ if(press(r+"X")>r.length())start = 'X'; else start = 'Y'; } return r+start; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:48:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         if(press(r+"A"+r+"B")>r.length()){
      |            ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
combo.cpp:49:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |    if(press(r+"A")>r.length())start = 'A';
      |       ~~~~~~~~~~~~^~~~~~~~~~~
combo.cpp:52:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |     if(press(r+"X")>r.length())start = 'X';
      |        ~~~~~~~~~~~~^~~~~~~~~~~
combo.cpp:55:17: error: no match for 'operator+' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'int')
   55 |         return r+start;
      |                ~^~~~~~
      |                | |
      |                | int
      |                std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/string:40,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:508:5: note: candidate: 'template<class _Iterator> std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&)'
  508 |     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:508:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/string:40,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1540:5: note: candidate: 'template<class _Iterator> std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&)'
 1540 |     operator+(typename move_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1540:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6022:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6022 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6022:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:56,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.tcc:1160:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 1160 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.tcc:1160:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:56,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.tcc:1180:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 1180 |     operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.tcc:1180:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6059:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)'
 6059 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6059:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const _CharT*' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6075:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, _CharT)'
 6075 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6075:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   deduced conflicting types for parameter '_CharT' ('char' and 'int')
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6087:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6087 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6087:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6093:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)'
 6093 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6093:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6099:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)'
 6099 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6099:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6121:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)'
 6121 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6121:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6127:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)'
 6127 |     operator+(_CharT __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6127:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6133:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _CharT*)'
 6133 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6133:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const _CharT*' and 'int'
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/string:55,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6139:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, _CharT)'
 6139 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6139:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   deduced conflicting types for parameter '_CharT' ('char' and 'int')
   55 |         return r+start;
      |                  ^~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/string:40,
                 from combo.h:3,
                 from combo.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1185:5: note: candidate: 'template<class _Iterator, class _Container> __gnu_cxx::__normal_iterator<_Iterator, _Container> __gnu_cxx::operator+(typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
 1185 |     operator+(typename __normal_iterator<_Iterator, _Container>::difference_type
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1185:5: note:   template argument deduction/substitution failed:
combo.cpp:55:18: note:   mismatched types 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>' and 'int'
   55 |         return r+start;
      |                  ^~~~~