# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1008728 | Rolo678 | Labels (NOI20_labels) | C++14 | 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 <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 (stderr)
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: