# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
990001 | mannshah1211 | Combo (IOI18_combo) | C++17 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
/**
* author: tourist
* created:
**/
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "algo/debug.h"
#else
#define debug(...) 42
#endif
vector<string> alphabet = {"A", "B", "X", "Y"};
string guess_sequence(int n) {
string firs = "?", ans;
for (int i = 0; i < 3; i++) {
if (press(alphabet[i]) == 1) {
firs = alphabet[i];
break;
}
}
if (firs == "?") {
firs = alphabet[3];
}
ans += firs;
vector<int> possible;
for (int i = 0; i < 4; i++) {
if (alphabet[i] != firs) {
possible.push_back(i);
}
}
for (int i = 1; i < n; i++) {
int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]);
if (x == i) {
ans += possible[2];
} else if (x == i + 1) {
ans += possible[0];
} else {
ans += possible[1];
}
}
return ans;
}
Compilation message (stderr)
combo.cpp: In function 'std::string guess_sequence(int)': combo.cpp:37:23: error: no match for 'operator+' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}) 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); 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:5: /usr/include/c++/10/bits/stl_iterator.h:508:5: note: candidate: 'template<class _Iterator> constexpr 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:37:35: note: mismatched types 'const std::reverse_iterator<_Iterator>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ 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:5: /usr/include/c++/10/bits/stl_iterator.h:1540:5: note: candidate: 'template<class _Iterator> constexpr 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:37:35: note: mismatched types 'const std::move_iterator<_IteratorL>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 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:37:35: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:56, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 1160 | operator+(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.tcc:1160:5: note: template argument deduction/substitution failed: combo.cpp:37:35: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>' 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:56, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 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:37:35: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, 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:37:35: note: mismatched types 'const _CharT*' and 'int' 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, _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:37:35: note: deduced conflicting types for parameter '_CharT' ('char' and 'int') 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 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:37:35: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 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:37:35: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 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:37:35: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 6121 | operator+(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6121:5: note: template argument deduction/substitution failed: combo.cpp:37:35: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>' 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(_CharT, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 6127 | operator+(_CharT __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6127:5: note: template argument deduction/substitution failed: combo.cpp:37:35: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, 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:37:35: note: mismatched types 'const _CharT*' and 'int' 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/string:55, from combo.h:3, from combo.cpp:5: /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, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, _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:37:35: note: deduced conflicting types for parameter '_CharT' ('char' and 'int') 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from combo.cpp:6: /usr/include/c++/10/complex:331:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&, const std::complex<_Tp>&)' 331 | operator+(const complex<_Tp>& __x, const complex<_Tp>& __y) | ^~~~~~~~ /usr/include/c++/10/complex:331:5: note: template argument deduction/substitution failed: combo.cpp:37:35: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>' 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from combo.cpp:6: /usr/include/c++/10/complex:340:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&, const _Tp&)' 340 | operator+(const complex<_Tp>& __x, const _Tp& __y) | ^~~~~~~~ /usr/include/c++/10/complex:340:5: note: template argument deduction/substitution failed: combo.cpp:37:35: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>' 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from combo.cpp:6: /usr/include/c++/10/complex:349:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const _Tp&, const std::complex<_Tp>&)' 349 | operator+(const _Tp& __x, const complex<_Tp>& __y) | ^~~~~~~~ /usr/include/c++/10/complex:349:5: note: template argument deduction/substitution failed: combo.cpp:37:35: note: mismatched types 'const std::complex<_Tp>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from combo.cpp:6: /usr/include/c++/10/complex:450:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&)' 450 | operator+(const complex<_Tp>& __x) | ^~~~~~~~ /usr/include/c++/10/complex:450:5: note: template argument deduction/substitution failed: combo.cpp:37:35: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::complex<_Tp>' 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from combo.cpp:6: /usr/include/c++/10/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)' 405 | _DEFINE_EXPR_BINARY_OPERATOR(+, __plus) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:405:5: note: template argument deduction/substitution failed: combo.cpp:37:35: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 37 | int x = press(ans + possible[0] + ans + possible[1] + possible[0] + ans + possible[1] + possible[1] + ans + possible[1] + possible[2]); | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from combo.cpp:6: /usr/include/c++/10/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_Constant, _Dom, typename _