Language: C++

#include <bits/stdc++.h>
using namespace std;
using uint = unsigned int;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
#define dbg(...) cerr << #__VA_ARGS__ << " ->", debug_out(__VA_ARGS__)
#define dbg_p(x) cerr<<#x": "<<(x).first<<' '<<(x).second<<endl
#define dbg_v(x, n) {cerr<<#x"[]: ";for(long long _=0;_<n;++_)cerr<<(x)[_]<<' ';cerr<<endl;}
#define all(v) v.begin(), v.end()
#define fi first
#define se second
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << H; debug_out(T...);}

template<typename T1, typename T2>
ostream& operator <<(ostream &out, const pair<T1, T2> &item) {
	out << '(' << item.first << ", " << item.second << ')';
	return out;
}

template <typename T>
ostream& operator <<(ostream &out, const vector<T>& v) {
	for(const auto &item : v) out << item << ' ';
	return out;
}

int main()
{
	ios_base::sync_with_stdio(false);

	int n;
	string s;
	map<string, int> cnt;

	cin >> n;
	for(int i = 1; i <= n; ++i) {
		cin >> s;
		++cnt[s];
	}

	int mx = 0;
	for(const auto &item : cnt) mx = max(mx, item.se);

	for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';

	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:47:48: error: no match for 'operator==' (operand types are 'const std::__cxx11::basic_string<char>' and 'int')
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                ^~ ~~
      |                                                   |
      |                                                   int
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:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/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:47:51: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/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:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/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:47:51: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/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:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/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:47:51: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/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:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/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:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
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:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::pair<_T1, _T2>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
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:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/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:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1667 |     operator==(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note:   template argument deduction/substitution failed:
a.cc:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1737 |     operator==(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note:   template argument deduction/substitution failed:
a.cc:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
In file included from /usr/include/c++/14/bits/char_traits.h:42,
                 from /usr/include/c++/14/string:42,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
  192 |     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note:   template argument deduction/substitution failed:
a.cc:47:51: note:   'const std::__cxx11::basic_string<char>' is not derived from 'const std::fpos<_StateT>'
   47 |         for(const auto &item : cnt) if(item.fi == mx) cout << itme.fi << '\n';
      |                                                   ^~
In file included from /usr/include/c+