Submission #1011449

# Submission time Handle Problem Language Result Execution time Memory
1011449 2024-06-30T13:54:05 Z Double_Slash Languages (IOI10_languages) C++17
Compilation error
0 ms 0 KB
#include "lang.h"
#include "grader.h"
#include <bits/extc++.h>
 
using namespace std;
using namespace __gnu_pbds;
using ll = long long;
using pint = pair<int, int>;
 
double magic(double x) {
	return abs(x);
}

template <typename T, class Hash, int MAX>
struct Data {
	int tot = 0;
    gp_hash_table<T, int, Hash> m;
  set<pair<int, T>> inv;
 
	double operator&(Data<T, Hash, MAX> &o) const {
		double ret = 0;
		for (auto [k, v]: m) {
			ret += magic((double) v / tot - (o.m.find(k) != m.end() ? (double) o.m[k] / o.tot : 0));
		}
		for (auto [k, v]: o.m) {
			if (m.find(k) == m.end()) ret += magic((double) v / o.tot);
		}
		return ret;
	}
 
	void operator+=(const Data<T, Hash, MAX> &o) {
		for (auto &[k, v]: o.m) {
          inv.erase({m[k], k});
			inv.emplace(m[k] += v, k);
		}
		tot += o.tot;
      while (inv.size() > MAX) {
          tot -= inv.begin()->first;
          m.erase(inv.begin()->second);
        inv.erase(inv.begin());
}
	}};

struct hash2 {
ll operator() (const pint &x) const { return (ll) x.first << 16 | x.second; }
};
struct hash3 {
ll operator()(const array<int, 3> &x) const { return ((ll) x[0] << 32) | ((ll) x[1] << 16) | x[2]; }
};
 
struct Profile {
Data<int, hash<int>, 100> sing;
  Data<pint, hash2, 100> doub;
  Data<array<int, 3>, hash3, 100> trip;
 
	Profile() {}
 
	Profile(int *arr) {
		for (int i = 0; i < 100; ++i) {
          sing.m[arr[i]]++;
          if (i) doub.m[{arr[i - 1], arr[i]}]++;
          if (i >=2) trip.m[{arr[i - 2], arr[i - 1], arr[i]}];
		}
      for (auto [k, v]: sing.m) sing.inv.emplace(v, k);
      for (auto [k, v]: doub.m) doub.inv.emplace(v, k);
            for (auto [k, v]: trip.m) trip.inv.emplace(v, k);
      
      sing.tot = 100;
      doub.tot = 99;
      trip.tot = 98;
	}
 
	double operator&(const Profile &o) const {
		return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
	}
 
	void operator+=(const Profile &o) {
      sing += o.sing;
doub += o.doub;
      trip += o.trip;
	}
} profile[56];
 
void excerpt(int *E) {
	Profile p(E);
	pair<double, int> mn{1e18, 0};
	for (int i = 0; i < 56; ++i) {
		mn = min(mn, {p & profile[i], i});
	}
	int ans = language(mn.second);
	profile[ans] += p;
}

Compilation message

lang.cpp: In member function 'double Profile::operator&(const Profile&) const':
lang.cpp:74:16: error: no match for 'operator&' (operand types are 'const Data<int, std::hash<int>, 100>' and 'const Data<int, std::hash<int>, 100>')
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |           ~~~~ ^ ~~~~~~
      |           |        |
      |           |        Data<[...],[...],[...]>
      |           Data<[...],[...],[...]>
lang.cpp:20:9: note: candidate: 'double Data<T, Hash, MAX>::operator&(Data<T, Hash, MAX>&) const [with T = int; Hash = std::hash<int>; int MAX = 100]' (near match)
   20 |  double operator&(Data<T, Hash, MAX> &o) const {
      |         ^~~~~~~~
lang.cpp:20:9: note:   conversion of argument 1 would be ill-formed:
lang.cpp:74:20: error: binding reference of type 'Data<int, std::hash<int>, 100>&' to 'const Data<int, std::hash<int>, 100>' discards qualifiers
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                  ~~^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/cstddef:138:3: note: candidate: 'constexpr std::byte std::operator&(std::byte, std::byte)'
  138 |   operator&(byte __l, byte __r) noexcept
      |   ^~~~~~~~
/usr/include/c++/10/cstddef:138:18: note:   no known conversion for argument 1 from 'const Data<int, std::hash<int>, 100>' to 'std::byte'
  138 |   operator&(byte __l, byte __r) noexcept
      |             ~~~~~^~~
In file included 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 /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bits/ios_base.h:83:3: note: candidate: 'constexpr std::_Ios_Fmtflags std::operator&(std::_Ios_Fmtflags, std::_Ios_Fmtflags)'
   83 |   operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
      |   ^~~~~~~~
/usr/include/c++/10/bits/ios_base.h:83:27: note:   no known conversion for argument 1 from 'const Data<int, std::hash<int>, 100>' to 'std::_Ios_Fmtflags'
   83 |   operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/ios_base.h:125:3: note: candidate: 'constexpr std::_Ios_Openmode std::operator&(std::_Ios_Openmode, std::_Ios_Openmode)'
  125 |   operator&(_Ios_Openmode __a, _Ios_Openmode __b)
      |   ^~~~~~~~
/usr/include/c++/10/bits/ios_base.h:125:27: note:   no known conversion for argument 1 from 'const Data<int, std::hash<int>, 100>' to 'std::_Ios_Openmode'
  125 |   operator&(_Ios_Openmode __a, _Ios_Openmode __b)
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/ios_base.h:165:3: note: candidate: 'constexpr std::_Ios_Iostate std::operator&(std::_Ios_Iostate, std::_Ios_Iostate)'
  165 |   operator&(_Ios_Iostate __a, _Ios_Iostate __b)
      |   ^~~~~~~~
/usr/include/c++/10/bits/ios_base.h:165:26: note:   no known conversion for argument 1 from 'const Data<int, std::hash<int>, 100>' to 'std::_Ios_Iostate'
  165 |   operator&(_Ios_Iostate __a, _Ios_Iostate __b)
      |             ~~~~~~~~~~~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:66,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bitset:1435:5: note: candidate: 'template<long unsigned int _Nb> std::bitset<_Nb> std::operator&(const std::bitset<_Nb>&, const std::bitset<_Nb>&)'
 1435 |     operator&(const bitset<_Nb>& __x, const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT
      |     ^~~~~~~~
/usr/include/c++/10/bitset:1435:5: note:   template argument deduction/substitution failed:
lang.cpp:74:20: note:   'const Data<int, std::hash<int>, 100>' is not derived from 'const std::bitset<_Nb>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                    ^~~~
In file included from /usr/include/c++/10/bits/shared_ptr_atomic.h:33,
                 from /usr/include/c++/10/memory:85,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:82,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bits/atomic_base.h:100:3: note: candidate: 'constexpr std::memory_order std::operator&(std::memory_order, std::__memory_order_modifier)'
  100 |   operator&(memory_order __m, __memory_order_modifier __mod)
      |   ^~~~~~~~
/usr/include/c++/10/bits/atomic_base.h:100:26: note:   no known conversion for argument 1 from 'const Data<int, std::hash<int>, 100>' to 'std::memory_order'
  100 |   operator&(memory_order __m, __memory_order_modifier __mod)
      |             ~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bits/valarray_after.h:411:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
  411 |     _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
lang.cpp:74:20: note:   'const Data<int, std::hash<int>, 100>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                    ^~~~
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bits/valarray_after.h:411:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  411 |     _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
lang.cpp:74:20: note:   'const Data<int, std::hash<int>, 100>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                    ^~~~
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bits/valarray_after.h:411:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  411 |     _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
lang.cpp:74:20: note:   'const Data<int, std::hash<int>, 100>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                    ^~~~
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bits/valarray_after.h:411:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
  411 |     _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
lang.cpp:74:20: note:   'const Data<int, std::hash<int>, 100>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                    ^~~~
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bits/valarray_after.h:411:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__bitwise_and, typename _Dom1::value_type>::result_type> std::operator&(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  411 |     _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
lang.cpp:74:20: note:   'const Data<int, std::hash<int>, 100>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                    ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/valarray:1191:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__bitwise_and, _Tp>::result_type> std::operator&(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
 1191 | _DEFINE_BINARY_OPERATOR(&, __bitwise_and)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/valarray:1191:1: note:   template argument deduction/substitution failed:
lang.cpp:74:20: note:   'const Data<int, std::hash<int>, 100>' is not derived from 'const std::valarray<_Tp>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                    ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/valarray:1191:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__bitwise_and, _Tp>::result_type> std::operator&(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
 1191 | _DEFINE_BINARY_OPERATOR(&, __bitwise_and)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/valarray:1191:1: note:   template argument deduction/substitution failed:
lang.cpp:74:20: note:   'const Data<int, std::hash<int>, 100>' is not derived from 'const std::valarray<_Tp>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                    ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/valarray:1191:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__bitwise_and, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__bitwise_and, _Tp>::result_type> std::operator&(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
 1191 | _DEFINE_BINARY_OPERATOR(&, __bitwise_and)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/valarray:1191:1: note:   template argument deduction/substitution failed:
lang.cpp:74:20: note:   'const Data<int, std::hash<int>, 100>' is not derived from 'const std::valarray<_Tp>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                    ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:105,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/future:143:20: note: candidate: 'constexpr std::launch std::operator&(std::launch, std::launch)'
  143 |   constexpr launch operator&(launch __x, launch __y)
      |                    ^~~~~~~~
/usr/include/c++/10/future:143:37: note:   no known conversion for argument 1 from 'const Data<int, std::hash<int>, 100>' to 'std::launch'
  143 |   constexpr launch operator&(launch __x, launch __y)
      |                              ~~~~~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:127,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/charconv:668:3: note: candidate: 'constexpr std::chars_format std::operator&(std::chars_format, std::chars_format)'
  668 |   operator&(chars_format __lhs, chars_format __rhs) noexcept
      |   ^~~~~~~~
/usr/include/c++/10/charconv:668:26: note:   no known conversion for argument 1 from 'const Data<int, std::hash<int>, 100>' to 'std::chars_format'
  668 |   operator&(chars_format __lhs, chars_format __rhs) noexcept
      |             ~~~~~~~~~~~~~^~~~~
lang.cpp:74:34: error: no match for 'operator&' (operand types are 'const Data<std::pair<int, int>, hash2, 100>' and 'const Data<std::pair<int, int>, hash2, 100>')
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                             ~~~~ ^ ~~~~~~
      |                             |        |
      |                             |        Data<[...],[...],[...]>
      |                             Data<[...],[...],[...]>
lang.cpp:20:9: note: candidate: 'double Data<T, Hash, MAX>::operator&(Data<T, Hash, MAX>&) const [with T = std::pair<int, int>; Hash = hash2; int MAX = 100]' (near match)
   20 |  double operator&(Data<T, Hash, MAX> &o) const {
      |         ^~~~~~~~
lang.cpp:20:9: note:   conversion of argument 1 would be ill-formed:
lang.cpp:74:38: error: binding reference of type 'Data<std::pair<int, int>, hash2, 100>&' to 'const Data<std::pair<int, int>, hash2, 100>' discards qualifiers
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                                    ~~^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/cstddef:138:3: note: candidate: 'constexpr std::byte std::operator&(std::byte, std::byte)'
  138 |   operator&(byte __l, byte __r) noexcept
      |   ^~~~~~~~
/usr/include/c++/10/cstddef:138:18: note:   no known conversion for argument 1 from 'const Data<std::pair<int, int>, hash2, 100>' to 'std::byte'
  138 |   operator&(byte __l, byte __r) noexcept
      |             ~~~~~^~~
In file included 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 /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bits/ios_base.h:83:3: note: candidate: 'constexpr std::_Ios_Fmtflags std::operator&(std::_Ios_Fmtflags, std::_Ios_Fmtflags)'
   83 |   operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
      |   ^~~~~~~~
/usr/include/c++/10/bits/ios_base.h:83:27: note:   no known conversion for argument 1 from 'const Data<std::pair<int, int>, hash2, 100>' to 'std::_Ios_Fmtflags'
   83 |   operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/ios_base.h:125:3: note: candidate: 'constexpr std::_Ios_Openmode std::operator&(std::_Ios_Openmode, std::_Ios_Openmode)'
  125 |   operator&(_Ios_Openmode __a, _Ios_Openmode __b)
      |   ^~~~~~~~
/usr/include/c++/10/bits/ios_base.h:125:27: note:   no known conversion for argument 1 from 'const Data<std::pair<int, int>, hash2, 100>' to 'std::_Ios_Openmode'
  125 |   operator&(_Ios_Openmode __a, _Ios_Openmode __b)
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/ios_base.h:165:3: note: candidate: 'constexpr std::_Ios_Iostate std::operator&(std::_Ios_Iostate, std::_Ios_Iostate)'
  165 |   operator&(_Ios_Iostate __a, _Ios_Iostate __b)
      |   ^~~~~~~~
/usr/include/c++/10/bits/ios_base.h:165:26: note:   no known conversion for argument 1 from 'const Data<std::pair<int, int>, hash2, 100>' to 'std::_Ios_Iostate'
  165 |   operator&(_Ios_Iostate __a, _Ios_Iostate __b)
      |             ~~~~~~~~~~~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:66,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/extc++.h:32,
                 from lang.cpp:3:
/usr/include/c++/10/bitset:1435:5: note: candidate: 'template<long unsigned int _Nb> std::bitset<_Nb> std::operator&(const std::bitset<_Nb>&, const std::bitset<_Nb>&)'
 1435 |     operator&(const bitset<_Nb>& __x, const bitset<_Nb>& __y) _GLIBCXX_NOEXCEPT
      |     ^~~~~~~~
/usr/include/c++/10/bitset:1435:5: note:   template argument deduction/substitution failed:
lang.cpp:74:38: note:   'const Data<std::pair<int, int>, hash2, 100>' is not derived from 'const std::bitset<_Nb>'
   74 |   return (sing & o.sing) + (doub & o.doub) + (trip & o.trip);
      |                                      ^~~~
In file included from /usr/inc