# | 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