Submission #139901

#TimeUsernameProblemLanguageResultExecution timeMemory
139901vinceCombo (IOI18_combo)C++14
Compilation error
0 ms0 KiB
#include "combo.h" #include <stdio.h> #include <iostream> #include <string> using namespace std; string C; string guess_sequence(int N) { string S = ""; int a = press("AX"); if(a) { int x = press("A"); if(x) S = "A", C = "BXY"; else S = "X", C = "ABY"; } else { int x = press("B"); if(x) S = "B", C = "AXY"; else S = "Y", C = "ABX"; } while(1) { string T = S + C.substr(0,1); for(int i = 0; i < 3; i++) { T += S + C.substr(1,1) + C.substr(i, 1); } if(T > 4*N) { assert(0); } int val = press(T); if(val == S.size()+1) S += C.substr(0,1); else if(val == S.size()+2) S += C.substr(1,1); else S += C.substr(2,1); // cout << S << "\n"; if(S.size() == N-1) break; } string T = S + C.substr(0,1) + S + C.substr(1,1); if(T > 4*N) { assert(0); } int x = press(T); if(x == N) { if(T > 4*N) { assert(0); } if(press(S + C.substr(0,1)) == N) return S + C.substr(0,1); else return S + C.substr(1,1); } else return S + C.substr(2,1); return S; }

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:35:14: error: no match for 'operator>' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'int')
   35 |         if(T > 4*N)
      |            ~ ^ ~~~
      |            |    |
      |            |    int
      |            std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 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_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:
combo.cpp:35:18: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
   35 |         if(T > 4*N)
      |                  ^
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:378:5: note: candidate: 'template<class _Iterator> 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:
combo.cpp:35:18: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   35 |         if(T > 4*N)
      |                  ^
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:416:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:
combo.cpp:35:18: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   35 |         if(T > 4*N)
      |                  ^
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:1469:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:
combo.cpp:35:18: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   35 |         if(T > 4*N)
      |                  ^
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:1519:5: note: candidate: 'template<class _Iterator> 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:
combo.cpp:35:18: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   35 |         if(T > 4*N)
      |                  ^
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:6305:5: 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>&)'
 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:
combo.cpp:35:18: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
   35 |         if(T > 4*N)
      |                  ^
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:6318:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, 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:
combo.cpp:35:18: note:   mismatched types 'const _CharT*' and 'int'
   35 |         if(T > 4*N)
      |                  ^
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:6330:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6330 |     operator>(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6330:5: note:   template argument deduction/substitution failed:
combo.cpp:35:18: note:   mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
   35 |         if(T > 4*N)
      |                  ^
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:1111:5: note: candidate: 'template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator>(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)'
 1111 |     operator>(const __normal_iterator<_IteratorL, _Container>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1111:5: note:   template argument deduction/substitution failed:
combo.cpp:35:18: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
   35 |         if(T > 4*N)
      |                  ^
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:1119:5: note: candidate: 'template<class _Iterator, class _Container> bool __gnu_cxx::operator>(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
 1119 |     operator>(const __normal_iterator<_Iterator, _Container>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1119:5: note:   template argument deduction/substitution failed:
combo.cpp:35:18: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
   35 |         if(T > 4*N)
      |                  ^
combo.cpp:37:13: error: 'assert' was not declared in this scope
   37 |             assert(0);
      |             ^~~~~~
combo.cpp:4:1: note: 'assert' is defined in header '<cassert>'; did you forget to '#include <cassert>'?
    3 | #include <iostream>
  +++ |+#include <cassert>
    4 | #include <string>
combo.cpp:40:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         if(val == S.size()+1)
      |            ~~~~^~~~~~~~~~~~~
combo.cpp:42:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |         else if(val == S.size()+2)
      |                 ~~~~^~~~~~~~~~~~~
combo.cpp:48:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   48 |         if(S.size() == N-1)
      |            ~~~~~~~~~^~~~~~
combo.cpp:52:10: error: no match for 'operator>' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'int')
   52 |     if(T > 4*N)
      |        ~ ^ ~~~
      |        |    |
      |        |    int
      |        std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 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_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:
combo.cpp:52:14: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>'
   52 |     if(T > 4*N)
      |              ^
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:378:5: note: candidate: 'template<class _Iterator> 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:
combo.cpp:52:14: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   52 |     if(T > 4*N)
      |              ^
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:416:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:
combo.cpp:52:14: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   52 |     if(T > 4*N)
      |              ^
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:1469:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:
combo.cpp:52:14: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   52 |     if(T > 4*N)
      |              ^
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:1519:5: note: candidate: 'template<class _Iterator> 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:
combo.cpp:52:14: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
   52 |     if(T > 4*N)
      |              ^
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:6305:5: 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>&)'
 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:
combo.cpp:52:14: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
   52 |     if(T > 4*N)
      |              ^
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:6318:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, 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:
combo.cpp:52:14: note:   mismatched types 'const _CharT*' and 'int'
   52 |     if(T > 4*N)
      |              ^
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:6330:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6330 |     operator>(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6330:5: note:   template argument deduction/substitution failed:
combo.cpp:52:14: note:   mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
   52 |     if(T > 4*N)
      |              ^
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:1111:5: note: candidate: 'template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator>(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)'
 1111 |     operator>(const __normal_iterator<_IteratorL, _Container>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1111:5: note:   template argument deduction/substitution failed:
combo.cpp:52:14: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
   52 |     if(T > 4*N)
      |              ^
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:1119:5: note: candidate: 'template<class _Iterator, class _Container> bool __gnu_cxx::operator>(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
 1119 |     operator>(const __normal_iterator<_Iterator, _Container>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1119:5: note:   template argument deduction/substitution failed:
combo.cpp:52:14: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
   52 |     if(T > 4*N)
      |              ^
combo.cpp:54:11: error: 'assert'