| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 345872 | 2021-01-08T10:59:55 Z | Alma | Combo (IOI18_combo) | C++14 | Compilation error |
0 ms | 0 KB |
#include <iostream>
#include <vector>
#include <string>
#include <combo.h>
using namespace std;
string guess_sequence(int N) {
// 100 points: N + 2 calls to "press"
string p = "";
string S = "";
vector<char> v = {};
// guess 1st letter of S (num of calls to "press" = 2)
p = "AB"; coins = press(p);
if (coins >= 1) {
p = "A"; coins = press(p);
if (coins == 1) {S = "A"; v = {'B', 'X', 'Y'};} // 1st letter = A
else {S = "B"; v = {'A', 'X', 'Y'};} // 1st letter = B
}
else {
p = "X"; coins = press(p);
if (coins == 1) {S = "X"; v = {'A', 'B', 'Y'};} // 1st letter = X
else {S = "Y"; v = {'A', 'B', 'X'};} // 1st letter = Y
}
// guess from 2nd letter to N-1 (num of calls to "press" = N-2)
for (int i = 1; i < N-1; i++) {
p = S + v[0]+v[0] + S + v[0]+v[1] + S + v[0]+v[2] + S + v[1];
// f.e. 1st = A p = S BB S BX S BY S X
coins = press(p);
if (coins == i+2) {S += v[0];} // next letter = B v[0]
else if (coins == i+1) {S += v[1];} // next letter = X v[1]
else {S += v[2];} // next letter = Y v[2]
}
// guess last letter of S (num of calls to "press" = 2)
if (press(S + v[0] == N)) {S += v[0];}
else if (press(S + v[1] == N)) {S += v[1];}
else {s += v[2];}
// total of calls to "press" = 2 + N-2 + 2 = N + 2
return S;
}
Compilation message
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:15:15: error: 'coins' was not declared in this scope
15 | p = "AB"; coins = press(p);
| ^~~~~
combo.cpp:39:24: error: no match for 'operator==' (operand types are 'std::__cxx11::basic_string<char>' and 'int')
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^~ ~
| |
| int
In file included from /usr/include/c++/10/iosfwd:40,
from /usr/include/c++/10/ios:38,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/postypes.h:222:5: note: candidate: 'template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)'
222 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/postypes.h:222:5: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::fpos<_StateT>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
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/ios:40,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
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:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::pair<_T1, _T2>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
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/ios:40,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:360:5: note: candidate: 'template<class _Iterator> 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:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
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/ios:40,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
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/ios:40,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> 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:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
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/ios:40,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1495:5: note: candidate: 'template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1495 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1495:5: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
In file included from /usr/include/c++/10/string:41,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/allocator.h:206:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)'
206 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:206:5: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::allocator<_CharT>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6153:5: 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>&)'
6153 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6153:5: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6161:5: note: candidate: 'template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)'
6161 | operator==(const basic_string<_CharT>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6161:5: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: mismatched types 'const std::__cxx11::basic_string<_CharT>' and 'int'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6175:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)'
6175 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6175:5: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: mismatched types 'const _CharT*' and 'int'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6216:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
6216 | operator==(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6216:5: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
In file included from /usr/include/c++/10/bits/ios_base.h:46,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/system_error:342:3: note: candidate: 'bool std::operator==(const std::error_code&, const std::error_code&)'
342 | operator==(const error_code& __lhs, const error_code& __rhs) noexcept
| ^~~~~~~~
/usr/include/c++/10/system_error:342:32: note: no known conversion for argument 1 from 'std::__cxx11::basic_string<char>' to 'const std::error_code&'
342 | operator==(const error_code& __lhs, const error_code& __rhs) noexcept
| ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/system_error:349:3: note: candidate: 'bool std::operator==(const std::error_code&, const std::error_condition&)'
349 | operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
| ^~~~~~~~
/usr/include/c++/10/system_error:349:32: note: no known conversion for argument 1 from 'std::__cxx11::basic_string<char>' to 'const std::error_code&'
349 | operator==(const error_code& __lhs, const error_condition& __rhs) noexcept
| ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/system_error:357:3: note: candidate: 'bool std::operator==(const std::error_condition&, const std::error_condition&)'
357 | operator==(const error_condition& __lhs,
| ^~~~~~~~
/usr/include/c++/10/system_error:357:37: note: no known conversion for argument 1 from 'std::__cxx11::basic_string<char>' to 'const std::error_condition&'
357 | operator==(const error_condition& __lhs,
| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/system_error:390:3: note: candidate: 'bool std::operator==(const std::error_condition&, const std::error_code&)'
390 | operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
| ^~~~~~~~
/usr/include/c++/10/system_error:390:37: note: no known conversion for argument 1 from 'std::__cxx11::basic_string<char>' to 'const std::error_condition&'
390 | operator==(const error_condition& __lhs, const error_code& __rhs) noexcept
| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/10/bits/locale_facets.h:48,
from /usr/include/c++/10/bits/basic_ios.h:37,
from /usr/include/c++/10/ios:44,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/streambuf_iterator.h:227:5: note: candidate: 'template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)'
227 | operator==(const istreambuf_iterator<_CharT, _Traits>& __a,
| ^~~~~~~~
/usr/include/c++/10/bits/streambuf_iterator.h:227:5: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
In file included from /usr/include/c++/10/vector:67,
from combo.cpp:2:
/usr/include/c++/10/bits/stl_vector.h:1892:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator==(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)'
1892 | operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1892:5: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::vector<_Tp, _Alloc>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
In file included from /usr/include/c++/10/string:41,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/bits/allocator.h:192:7: note: candidate: 'bool std::operator==(const std::allocator<char>&, const std::allocator<char>&)'
192 | operator==(const allocator&, const allocator&) _GLIBCXX_NOTHROW
| ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:192:18: note: no known conversion for argument 1 from 'std::__cxx11::basic_string<char>' to 'const std::allocator<char>&'
192 | operator==(const allocator&, const allocator&) _GLIBCXX_NOTHROW
| ^~~~~~~~~~~~~~~~
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/ios:40,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
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:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
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/ios:40,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
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:
combo.cpp:39:27: note: 'std::__cxx11::basic_string<char>' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33,
from /usr/include/c++/10/bits/allocator.h:46,
from /usr/include/c++/10/string:41,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/ostream:38,
from /usr/include/c++/10/iostream:39,
from combo.cpp:1:
/usr/include/c++/10/ext/new_allocator.h:171:2: note: candidate: 'template<class _Up> bool __gnu_cxx::operator==(const __gnu_cxx::new_allocator<char>&, const __gnu_cxx::new_allocator<_Tp>&)'
171 | operator==(const new_allocator&, const new_allocator<_Up>&)
| ^~~~~~~~
/usr/include/c++/10/ext/new_allocator.h:171:2: note: template argument deduction/substitution failed:
combo.cpp:39:27: note: mismatched types 'const __gnu_cxx::new_allocator<_Tp>' and 'int'
39 | if (press(S + v[0] == N)) {S += v[0];}
| ^
combo.cpp:40:29: error: no match for 'operator==' (operand types are 'std::__cxx11::basic_string<char>' and 'int')
40 | else if (press(S + v[1] == N