Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  vector<int>p(3);
  for(int i=0;i<3;i++){
    cin >> p.at(i);}
  vector<int>q(3);
  for(int i=0;i<3;i++){
    cin >> q.at(3);}
  vector<int>r(3);
  for(int i=0;i<3;i++){
    cin >> r.at(3);}
  int n;
  cin >> n;
  vector<int> b(n);
  for(int j=0;j<n;j++){
    cin >> b.at(j);}
  vector<string> x(3);
  vector<string> y(3);
  vector<string> z(3);
  for(int i=0;i<3;i++){
    for(int j=0;j<n;j++){
      if(p.at(i)==b.at(j)){
        x.at(i)="#";}
      else if(q.at(i)==b.at(j)){
        y.at(i)="#";}
      else if(r.at(i)==b.at(j)){
        z.at(i)="#";}
      }}
  if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
    {cout << "Yes" << endl;}
  else {
    cout << "No" << endl;}
  }
    
    
    


Compiler output:
a.cc: In function 'int main()':
a.cc:30:22: error: no match for 'operator==' (operand types are 'bool' and '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'})
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |      ~~~~~~~~~~~~~~~~^~~~~~~~~
      |             |              |
      |             bool           __gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
                 from a.cc:1:
/usr/include/c++/14/bits/regex.h:1103:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
 1103 |     operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1103:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'bool'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
/usr/include/c++/14/bits/regex.h:1199:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
 1199 |     operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1199:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'bool'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
/usr/include/c++/14/bits/regex.h:1274:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1274 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1274:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'bool'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
/usr/include/c++/14/bits/regex.h:1366:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
 1366 |     operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1366:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
/usr/include/c++/14/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1441 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1441:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'bool'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
/usr/include/c++/14/bits/regex.h:1534:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
 1534 |     operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1534:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::__cxx11::basic_string<char> >, std::__cxx11::basic_string<char> >::value_type' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
/usr/include/c++/14/bits/regex.h:1613:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1613 |     operator==(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1613:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'bool'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
/usr/include/c++/14/bits/regex.h:2186:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const match_results<_BiIter, _Alloc>&, const match_results<_BiIter, _Alloc>&)'
 2186 |     operator==(const match_results<_Bi_iter, _Alloc>& __m1,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:2186:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   mismatched types 'const std::__cxx11::match_results<_BiIter, _Alloc>' and 'bool'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1033 |     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   mismatched types 'const std::pair<_T1, _T2>' and 'bool'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  441 |     operator==(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'bool'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" || x.at(1)==y.at(1)==z.at(1)=="#" || x.at(2)==y.at(2)==z.at(2)=="#" || x.at(2)==y.at(2)==z.at(0)=="#" || y.at(0)==y.at(1)==y.at(2)=="#" || z.at(0)==z.at(1)==z.at(2)=="#")
      |                              ^
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  486 |     operator==(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note:   template argument deduction/substitution failed:
a.cc:30:30: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'bool'
   30 |   if(x.at(0)==y.at(0)==z.at(0)=="#" || x.at(0)==x.at(1)==x.at(2)=="#" || x.at(0)==y.at(1)==z.at(2)=="#" ||