| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 764085 | Blagoj | 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.
#include "combo.h"
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast,unroll-loops")
using namespace std;
#define endl '\n'
#define ll long long
#define all(x) x.begin(), x.end()
string guess_sequence(int N) {
string cur = "ABXY", temp = "";
if (press("AB")) {
if (press("A")) temp = "A";
else temp = "B";
}
else {
if (press("X")) temp = "X";
else temp = "Y";
}
cur.erase(find(all(cur), temp));
while (temp.size() < N - 1) {
string t = temp + cur[0];
for (auto x : cur) {
t += temp + cur[1] + x;
}
int v = press(t);
if (v == temp.size()) temp += cur[2];
if (v == temp.size() + 1) temp += cur[0];
if (v == temp.size() + 2) temp += cur[1];
}
for (int i = 0; i < 2; i++) {
temp += cur[i];
if (press(temp) == N) return temp;
temp.pop_back();
}
temp.push_back(cur[2]);
return temp;
}
Compilation message (stderr)
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:24:24: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
24 | while (temp.size() < N - 1) {
| ~~~~~~~~~~~~^~~~~~~
combo.cpp:30:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | if (v == temp.size()) temp += cur[2];
| ~~^~~~~~~~~~~~~~
combo.cpp:31:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | if (v == temp.size() + 1) temp += cur[0];
| ~~^~~~~~~~~~~~~~~~~~
combo.cpp:32:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
32 | if (v == temp.size() + 2) temp += cur[1];
| ~~^~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_equals_val<_Value>::operator()(_Iterator) [with _Iterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; _Value = const std::__cxx11::basic_string<char>]':
/usr/include/c++/10/bits/stl_algobase.h:1932:14: required from '_RandomAccessIterator std::__find_if(_RandomAccessIterator, _RandomAccessIterator, _Predicate, std::random_access_iterator_tag) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; _Predicate = __gnu_cxx::__ops::_Iter_equals_val<const std::__cxx11::basic_string<char> >]'
/usr/include/c++/10/bits/stl_algobase.h:1977:23: required from '_Iterator std::__find_if(_Iterator, _Iterator, _Predicate) [with _Iterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; _Predicate = __gnu_cxx::__ops::_Iter_equals_val<const std::__cxx11::basic_string<char> >]'
/usr/include/c++/10/bits/stl_algo.h:3902:28: required from '_IIter std::find(_IIter, _IIter, const _Tp&) [with _IIter = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; _Tp = std::__cxx11::basic_string<char>]'
combo.cpp:23:34: required from here
/usr/include/c++/10/bits/predefined_ops.h:268:17: error: no match for 'operator==' (operand types are 'char' and 'const std::__cxx11::basic_string<char>')
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
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:1064:5: 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>&)'
1064 | operator==(const __normal_iterator<_IteratorL, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1064:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
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:1072:5: 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>&)'
1072 | operator==(const __normal_iterator<_Iterator, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1072:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from combo.cpp:3:
/usr/include/c++/10/bits/regex.h:1035:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1035 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1035:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from combo.cpp:3:
/usr/include/c++/10/bits/regex.h:1131:5: 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>&)'
1131 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1131:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from combo.cpp:3:
/usr/include/c++/10/bits/regex.h:1206:5: 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>&)'
1206 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1206:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from combo.cpp:3:
/usr/include/c++/10/bits/regex.h:1298:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1298 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1298:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: 'const std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from combo.cpp:3:
/usr/include/c++/10/bits/regex.h:1373:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1373 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1373:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from combo.cpp:3:
/usr/include/c++/10/bits/regex.h:1466:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1466 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1466:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: 'const std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from combo.cpp:3:
/usr/include/c++/10/bits/regex.h:1545:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1545 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1545:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from combo.cpp:3:
/usr/include/c++/10/bits/regex.h:2101:5: 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>&)'
2101 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:2101:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const std::__cxx11::match_results<_BiIter, _Alloc>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
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:466:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
466 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:466:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const std::pair<_T1, _T2>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
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:360:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
360 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:360:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
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:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
398 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:398:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
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:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1427 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1427:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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/predefined_ops.h:268:17: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'char'
268 | { return *__it == _M_value; }
| ~~~~~~^~~~~~~~~~~
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/inc