| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1008728 | 2024-06-26T17:04:04 Z | Rolo678 | Labels (NOI20_labels) | C++14 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin >>n;
vector<int>d(n);
for(int i = 1;i<n;i++)
{
cin >>d[i];
}
if(abs(d[1]) != 2*n-2) cout<<-1<<'\n';
else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
else if (d[i] == 2*n-2) cout<< -n+1 << ' '<< n-1 <<'\n';
}
Compilation message
Labels.cpp: In function 'int main()':
Labels.cpp:14:14: error: 'i' was not declared in this scope
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^
Labels.cpp:14:51: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ~~^~
Labels.cpp:14:41: error: no match for 'operator<' (operand types are 'std::basic_ostream<char>' and 'int')
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
| | |
| | int
| std::basic_ostream<char>
Labels.cpp:14:41: note: candidate: 'operator<(int, int)' (built-in)
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
Labels.cpp:14:41: note: no known conversion for argument 1 from 'std::basic_ostream<char>' to 'int'
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from Labels.cpp:1:
/usr/include/c++/10/bits/regex.h:1075:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1075 | operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1075:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from Labels.cpp:1:
/usr/include/c++/10/bits/regex.h:1156:5: 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>&)'
1156 | operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1156:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from Labels.cpp:1:
/usr/include/c++/10/bits/regex.h:1249:5: 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>&)'
1249 | operator<(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1249:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from Labels.cpp:1:
/usr/include/c++/10/bits/regex.h:1323:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1323 | operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1323:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from Labels.cpp:1:
/usr/include/c++/10/bits/regex.h:1417:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1417 | operator<(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1417:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from Labels.cpp:1:
/usr/include/c++/10/bits/regex.h:1492:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1492 | operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1492:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from Labels.cpp:1:
/usr/include/c++/10/bits/regex.h:1592:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1592 | operator<(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1592:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
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/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Labels.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:489:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
489 | operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:489:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::pair<_T1, _T2>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\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/ios:40,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Labels.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
366 | operator<(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_Iterator>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\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/ios:40,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Labels.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
404 | operator<(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_Iterator>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\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/ios:40,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Labels.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1451 | operator<(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_IteratorL>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\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/ios:40,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Labels.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1507 | operator<(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_IteratorL>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
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/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Labels.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6267:5: 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>&)'
6267 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6267:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
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/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Labels.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6280:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)'
6280 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6280:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
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/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Labels.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6292:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
6292 | operator<(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6292:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: mismatched types 'const _CharT*' and 'std::basic_ostream<char>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
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/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from Labels.cpp:1:
/usr/include/c++/10/system_error:252:3: note: candidate: 'bool std::operator<(const std::error_code&, const std::error_code&)'
252 | operator<(const error_code& __lhs, const error_code& __rhs) noexcept
| ^~~~~~~~
/usr/include/c++/10/system_error:252:31: note: no known conversion for argument 1 from 'std::basic_ostream<char>' to 'const std::error_code&'
252 | operator<(const error_code& __lhs, const error_code& __rhs) noexcept
| ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/system_error:379:3: note: candidate: 'bool std::operator<(const std::error_condition&, const std::error_condition&)'
379 | operator<(const error_condition& __lhs,
| ^~~~~~~~
/usr/include/c++/10/system_error:379:36: note: no known conversion for argument 1 from 'std::basic_ostream<char>' to 'const std::error_condition&'
379 | operator<(const error_condition& __lhs,
| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/10/deque:67,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:68,
from Labels.cpp:1:
/usr/include/c++/10/bits/stl_deque.h:2279:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)'
2279 | operator<(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_deque.h:2279:5: note: template argument deduction/substitution failed:
Labels.cpp:14:56: note: 'std::basic_ostream<char>' is not derived from 'const std::deque<_Tp, _Alloc>'
14 | else if (d[i] == -2*n + 2) cout<< n-1 < ' '<< -n+1 <<'\n';
| ^~~~
In file included from /usr/include/c++/10/tuple:39,
from /usr/include/c++/10/functional:54,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
from Labels.cpp:1: