結果
問題 | No.1609 String Division Machine |
ユーザー | jell |
提出日時 | 2021-07-16 21:49:46 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 5 ms / 2,000 ms |
コード長 | 46,906 bytes |
コンパイル時間 | 4,472 ms |
コンパイル使用メモリ | 271,044 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-06 08:52:15 |
合計ジャッジ時間 | 5,635 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,948 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 1 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 1 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 1 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 1 ms
6,940 KB |
testcase_29 | AC | 1 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,940 KB |
testcase_31 | AC | 1 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,944 KB |
testcase_33 | AC | 4 ms
6,944 KB |
testcase_34 | AC | 5 ms
6,940 KB |
testcase_35 | AC | 4 ms
6,940 KB |
testcase_36 | AC | 3 ms
6,940 KB |
testcase_37 | AC | 5 ms
6,944 KB |
testcase_38 | AC | 3 ms
6,944 KB |
testcase_39 | AC | 3 ms
6,940 KB |
testcase_40 | AC | 5 ms
6,940 KB |
testcase_41 | AC | 3 ms
6,944 KB |
ソースコード
#line 1 "other-workspace\\omc.cc" // #undef _GLIBCXX_DEBUG // #define NDEBUG #include <bits/extc++.h> #line 2 "Library\\lib\\alias" /** * @file alias * @brief Alias */ #line 10 "Library\\lib\\alias" #line 2 "Library\\lib\\bit" #if __cplusplus > 201703L #include <bit> #elif __cplusplus > 201402L #ifndef _GLIBCXX_BIT #define _GLIBCXX_BIT 1 #include <limits> #include <type_traits> namespace std { template <typename _Tp> constexpr int __countl_zero(_Tp __x) noexcept { constexpr auto _Nd = numeric_limits<_Tp>::digits; if (__x == 0) return _Nd; constexpr auto _Nd_ull = numeric_limits<unsigned long long>::digits; constexpr auto _Nd_ul = numeric_limits<unsigned long>::digits; constexpr auto _Nd_u = numeric_limits<unsigned>::digits; if _GLIBCXX17_CONSTEXPR (_Nd <= _Nd_u) { constexpr int __diff = _Nd_u - _Nd; return __builtin_clz(__x) - __diff; } else if _GLIBCXX17_CONSTEXPR (_Nd <= _Nd_ul) { constexpr int __diff = _Nd_ul - _Nd; return __builtin_clzl(__x) - __diff; } else if _GLIBCXX17_CONSTEXPR (_Nd <= _Nd_ull) { constexpr int __diff = _Nd_ull - _Nd; return __builtin_clzll(__x) - __diff; } else // (_Nd > _Nd_ull) { static_assert(_Nd <= (2 * _Nd_ull), "Maximum supported integer size is 128-bit"); unsigned long long __high = __x >> _Nd_ull; if (__high != 0) { constexpr int __diff = (2 * _Nd_ull) - _Nd; return __builtin_clzll(__high) - __diff; } constexpr auto __max_ull = numeric_limits<unsigned long long>::max(); unsigned long long __low = __x & __max_ull; return (_Nd - _Nd_ull) + __builtin_clzll(__low); } } template <typename _Tp> constexpr int __countr_zero(_Tp __x) noexcept { constexpr auto _Nd = numeric_limits<_Tp>::digits; if (__x == 0) return _Nd; constexpr auto _Nd_ull = numeric_limits<unsigned long long>::digits; constexpr auto _Nd_ul = numeric_limits<unsigned long>::digits; constexpr auto _Nd_u = numeric_limits<unsigned>::digits; if _GLIBCXX17_CONSTEXPR (_Nd <= _Nd_u) return __builtin_ctz(__x); else if _GLIBCXX17_CONSTEXPR (_Nd <= _Nd_ul) return __builtin_ctzl(__x); else if _GLIBCXX17_CONSTEXPR (_Nd <= _Nd_ull) return __builtin_ctzll(__x); else // (_Nd > _Nd_ull) { static_assert(_Nd <= (2 * _Nd_ull), "Maximum supported integer size is 128-bit"); constexpr auto __max_ull = numeric_limits<unsigned long long>::max(); unsigned long long __low = __x & __max_ull; if (__low != 0) return __builtin_ctzll(__low); unsigned long long __high = __x >> _Nd_ull; return __builtin_ctzll(__high) + _Nd_ull; } } template <typename _Tp> constexpr int __popcount(_Tp __x) noexcept { constexpr auto _Nd = numeric_limits<_Tp>::digits; if (__x == 0) return 0; constexpr auto _Nd_ull = numeric_limits<unsigned long long>::digits; constexpr auto _Nd_ul = numeric_limits<unsigned long>::digits; constexpr auto _Nd_u = numeric_limits<unsigned>::digits; if _GLIBCXX17_CONSTEXPR (_Nd <= _Nd_u) return __builtin_popcount(__x); else if _GLIBCXX17_CONSTEXPR (_Nd <= _Nd_ul) return __builtin_popcountl(__x); else if _GLIBCXX17_CONSTEXPR (_Nd <= _Nd_ull) return __builtin_popcountll(__x); else // (_Nd > _Nd_ull) { static_assert(_Nd <= (2 * _Nd_ull), "Maximum supported integer size is 128-bit"); constexpr auto __max_ull = numeric_limits<unsigned long long>::max(); unsigned long long __low = __x & __max_ull; unsigned long long __high = __x >> _Nd_ull; return __builtin_popcountll(__low) + __builtin_popcountll(__high); } } template <typename _Tp> constexpr _Tp __bit_ceil(_Tp __x) noexcept { constexpr auto _Nd = numeric_limits<_Tp>::digits; if (__x == 0 || __x == 1) return 1; auto __shift_exponent = _Nd - __countl_zero((_Tp)(__x - 1u)); #ifdef _GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED if (!__builtin_is_constant_evaluated()) { __glibcxx_assert(__shift_exponent != numeric_limits<_Tp>::digits); } #endif using __promoted_type = decltype(__x << 1); if _GLIBCXX17_CONSTEXPR (!is_same<__promoted_type, _Tp>::value) { const int __extra_exp = sizeof(__promoted_type) / sizeof(_Tp) / 2; __shift_exponent |= (__shift_exponent & _Nd) << __extra_exp; } return (_Tp)1u << __shift_exponent; } template <typename _Tp> constexpr _Tp __bit_floor(_Tp __x) noexcept { constexpr auto _Nd = numeric_limits<_Tp>::digits; if (__x == 0) return 0; return (_Tp)1u << (_Nd - __countl_zero((_Tp)(__x >> 1))); } template <typename _Tp> constexpr _Tp __bit_width(_Tp __x) noexcept { constexpr auto _Nd = numeric_limits<_Tp>::digits; return _Nd - __countl_zero(__x); } } // namespace std #endif #endif #line 2 "Library\\lib\\limits" #line 4 "Library\\lib\\limits" namespace workspace { template <class _Tp> struct numeric_limits : std::numeric_limits<_Tp> {}; #ifdef __SIZEOF_INT128__ template <> struct numeric_limits<__uint128_t> { constexpr static __uint128_t max() { return ~__uint128_t(0); } constexpr static __uint128_t min() { return 0; } }; template <> struct numeric_limits<__int128_t> { constexpr static __int128_t max() { return numeric_limits<__uint128_t>::max() >> 1; } constexpr static __int128_t min() { return -max() - 1; } }; #endif } // namespace workspace #line 13 "Library\\lib\\alias" namespace workspace { constexpr static char eol = '\n'; using namespace std; using i32 = int_least32_t; using u32 = uint_least32_t; using i64 = int_least64_t; using u64 = uint_least64_t; #ifdef __SIZEOF_INT128__ using i128 = __int128_t; using u128 = __uint128_t; #else #warning 128-bit integer is not available. #endif template <class _T1, class _T2, typename = decltype(std::declval<const _T2 &>() < std::declval<const _T1 &>())> constexpr typename std::conditional<std::is_same<_T1, _T2>::value, const _T1 &, typename std::common_type<_T1, _T2>::type>::type min(const _T1 &__x, const _T2 &__y) noexcept { return __y < __x ? __y : __x; } template <class _T1, class _T2, class _Compare, typename = decltype(std::declval<_Compare>()( std::declval<const _T2 &>(), std::declval<const _T1 &>()))> constexpr typename std::conditional<std::is_same<_T1, _T2>::value, const _T1 &, typename std::common_type<_T1, _T2>::type>::type min(const _T1 &__x, const _T2 &__y, _Compare __comp) noexcept { return __comp(__y, __x) ? __y : __x; } template <class _Tp, typename = decltype(std::declval<const _Tp &>() < std::declval<const _Tp &>())> constexpr _Tp min(std::initializer_list<_Tp> __x) noexcept { return *std::min_element(__x.begin(), __x.end()); } template <class _Tp, class _Compare, typename = decltype(std::declval<_Compare>()( std::declval<const _Tp &>(), std::declval<const _Tp &>()))> constexpr _Tp min(std::initializer_list<_Tp> __x, _Compare __comp) noexcept { return *std::min_element(__x.begin(), __x.end(), __comp); } template <class _T1, class _T2, typename = decltype(std::declval<const _T1 &>() < std::declval<const _T2 &>())> constexpr typename std::conditional<std::is_same<_T1, _T2>::value, const _T1 &, typename std::common_type<_T1, _T2>::type>::type max(const _T1 &__x, const _T2 &__y) noexcept { return __x < __y ? __y : __x; } template <class _T1, class _T2, class _Compare, typename = decltype(std::declval<_Compare>()( std::declval<const _T1 &>(), std::declval<const _T2 &>()))> constexpr typename std::conditional<std::is_same<_T1, _T2>::value, const _T1 &, typename std::common_type<_T1, _T2>::type>::type max(const _T1 &__x, const _T2 &__y, _Compare __comp) noexcept { return __comp(__x, __y) ? __y : __x; } template <class _Tp, typename = decltype(std::declval<const _Tp &>() < std::declval<const _Tp &>())> constexpr _Tp max(std::initializer_list<_Tp> __x) noexcept { return *std::max_element(__x.begin(), __x.end()); } template <class _Tp, class _Compare, typename = decltype(std::declval<_Compare>()( std::declval<const _Tp &>(), std::declval<const _Tp &>()))> constexpr _Tp max(std::initializer_list<_Tp> __x, _Compare __comp) noexcept { return *std::max_element(__x.begin(), __x.end(), __comp); } #ifdef _GLIBCXX_BIT template <typename _Tp> constexpr _Tp __bsf(_Tp __x) noexcept { return std::__countr_zero(__x); } template <typename _Tp> constexpr _Tp __bsr(_Tp __x) noexcept { return std::__bit_width(__x) - 1; } #endif } // namespace workspace #line 2 "Library\\lib\\cxx20" /* * @file cxx20 * @brief C++20 Features */ #line 9 "Library\\lib\\cxx20" #if __cplusplus <= 201703L #include <algorithm> #include <vector> namespace std { /** * @brief Erase the elements of a container that do not satisfy the condition. * @param __cont Container. * @param __pred Predicate. * @return Number of the erased elements. */ template <typename _Tp, typename _Alloc, typename _Predicate> inline typename vector<_Tp, _Alloc>::size_type erase_if( vector<_Tp, _Alloc>& __cont, _Predicate __pred) { const auto __osz = __cont.size(); __cont.erase(remove_if(__cont.begin(), __cont.end(), __pred), __cont.end()); return __osz - __cont.size(); } /** * @brief Erase the elements of a container that are equal to the given value. * @param __cont Container. * @param __value Value. * @return Number of the erased elements. */ template <typename _Tp, typename _Alloc, typename _Up> inline typename vector<_Tp, _Alloc>::size_type erase( vector<_Tp, _Alloc>& __cont, const _Up& __value) { const auto __osz = __cont.size(); __cont.erase(remove(__cont.begin(), __cont.end(), __value), __cont.end()); return __osz - __cont.size(); } } // namespace std #endif #line 1 "Library\\lib\\direct" #ifdef ONLINE_JUDGE #pragma GCC optimize("O3") #pragma GCC target("avx,avx2") #pragma GCC optimize("unroll-loops") #endif #line 8 "other-workspace\\omc.cc" // #include "lib/opt" #line 2 "Library\\src\\sys\\call_once.hpp" /** * @file call_once.hpp * @brief Call Once */ #line 9 "Library\\src\\sys\\call_once.hpp" namespace workspace { /** * @brief Call once. */ template <class _F> void call_once(_F &&__f) { static std::unordered_set<void *> __called; if (__called.count(std::addressof(__f))) return; __called.emplace(std::addressof(__f)); __f(); } } // namespace workspace #line 2 "Library\\src\\sys\\clock.hpp" /** * @file clock.hpp * @brief Clock */ #line 9 "Library\\src\\sys\\clock.hpp" namespace workspace { using namespace std::chrono; namespace internal { // The start time of the program. const auto start_time{system_clock::now()}; } // namespace internal /** * @return Elapsed time of the program. */ decltype(auto) elapsed() noexcept { const auto end_time{system_clock::now()}; return duration_cast<milliseconds>(end_time - internal::start_time).count(); } } // namespace workspace #line 2 "Library\\src\\sys\\ejection.hpp" /** * @file ejection.hpp * @brief Ejection */ #line 9 "Library\\src\\sys\\ejection.hpp" namespace workspace { namespace internal { struct ejection { bool exit = 0; }; } // namespace internal /** * @brief eject from a try block, throw nullptr * @param arg output */ template <class Tp> void eject(Tp const &arg) { std::cout << arg << "\n"; throw internal::ejection{}; } void exit() { throw internal::ejection{true}; } } // namespace workspace #line 2 "Library\\src\\sys\\iteration.hpp" /** * @file iteration.hpp * @brief Case Iteration */ #line 9 "Library\\src\\sys\\iteration.hpp" #line 11 "Library\\src\\sys\\iteration.hpp" namespace workspace { void main(); struct { // 1-indexed unsigned current{0}; unsigned total{1}; void read() { (std::cin >> total).ignore(); } int iterate() { static bool once = false; assert(!once); once = true; while (current++ < total) { try { main(); } catch (internal::ejection const& status) { if (status.exit) break; } } return 0; } } case_info; } // namespace workspace #line 1 "Library\\lib\\utils" // #include "src/utils/cached.hpp" #line 2 "Library\\src\\utils\\cat.hpp" /** * @file cat.hpp * @brief Cat */ #line 9 "Library\\src\\utils\\cat.hpp" #line 2 "Library\\lib\\cxx17" #ifndef _CXX17_CONSTEXPR #if __cplusplus >= 201703L #define _CXX17_CONSTEXPR constexpr #else #define _CXX17_CONSTEXPR #endif #endif #ifndef _CXX17_STATIC_ASSERT #if __cplusplus >= 201703L #define _CXX17_STATIC_ASSERT static_assert #else #define _CXX17_STATIC_ASSERT assert #endif #endif #if __cplusplus < 201703L namespace std { /** * @brief Return the size of a container. * @param __cont Container. */ template <typename _Container> constexpr auto size(const _Container& __cont) noexcept(noexcept(__cont.size())) -> decltype(__cont.size()) { return __cont.size(); } /** * @brief Return the size of an array. */ template <typename _Tp, size_t _Nm> constexpr size_t size(const _Tp (&)[_Nm]) noexcept { return _Nm; } } // namespace std #endif #line 11 "Library\\src\\utils\\cat.hpp" namespace workspace { /** * @brief Concatenate two sequences. * * @param __c1 * @param __c2 * @return Concatenated sequence. */ template <class _C1, class _C2> constexpr decltype(auto) cat(_C1 &&__c1, _C2 &&__c2) noexcept { auto __c = std::forward<_C1>(__c1); if _CXX17_CONSTEXPR (std::is_rvalue_reference<decltype(__c2)>::value) __c.insert(std::end(__c), std::make_move_iterator(std::begin(__c2)), std::make_move_iterator(std::end(__c2))); else __c.insert(std::end(__c), std::cbegin(__c2), std::cend(__c2)); return __c; } /** * @return Concatenated sequence. */ template <class _C1, class _C2, class... _Args> constexpr decltype(auto) cat(_C1 &&__c1, _C2 &&__c2, _Args &&...__args) noexcept { return cat(cat(std::forward<_C1>(__c1), std::forward<_C2>(__c2)), std::forward<_Args>(__args)...); } } // namespace workspace #line 2 "Library\\src\\utils\\chval.hpp" /** * @file chval.hpp * @brief Change Less/Greater */ #line 9 "Library\\src\\utils\\chval.hpp" namespace workspace { /** * @brief Substitute __y for __x if __y < __x. * @param __x Reference * @param __y Comparison target * @return Whether or not __x is updated. */ template <class _T1, class _T2, typename = decltype(std::declval<_T2>() < std::declval<_T1 &>())> typename std::enable_if<std::is_assignable<_T1 &, _T2>::value, bool>::type chle( _T1 &__x, _T2 &&__y) noexcept { return __y < __x ? __x = std::forward<_T2>(__y), true : false; } /** * @brief Substitute __y for __x if __x < __y. * @param __x Reference * @param __y Comparison target * @return Whether or not __x is updated. */ template <class _T1, class _T2, typename = decltype(std::declval<_T1 &>() < std::declval<_T2>())> typename std::enable_if<std::is_assignable<_T1 &, _T2>::value, bool>::type chgr( _T1 &__x, _T2 &&__y) noexcept { return __x < __y ? __x = std::forward<_T2>(__y), true : false; } /** * @brief Substitute __y for __x if __comp(__y, __x) is true. * @param __x Reference * @param __y Comparison target * @param __comp Compare function object * @return Whether or not __x is updated. */ template <class _T1, class _T2, class _Compare, typename = decltype(std::declval<_Compare>()(std::declval<_T2>(), std::declval<_T1 &>()))> typename std::enable_if<std::is_assignable<_T1 &, _T2>::value, bool>::type chle( _T1 &__x, _T2 &&__y, _Compare __comp) noexcept { return __comp(__y, __x) ? __x = std::forward<_T2>(__y), true : false; } /** * @brief Substitute __y for __x if __comp(__x, __y) is true. * @param __x Reference * @param __y Comparison target * @param __comp Compare function object * @return Whether or not __x is updated. */ template <class _T1, class _T2, class _Compare, typename = decltype(std::declval<_Compare>()(std::declval<_T1 &>(), std::declval<_T2>()))> typename std::enable_if<std::is_assignable<_T1 &, _T2>::value, bool>::type chgr( _T1 &__x, _T2 &&__y, _Compare __comp) noexcept { return __comp(__x, __y) ? __x = std::forward<_T2>(__y), true : false; } } // namespace workspace #line 1 "Library\\src\\utils\\compare.hpp" /** * @file compare.hpp * @brief Compare */ #line 2 "Library\\src\\utils\\sfinae.hpp" /** * @file sfinae.hpp * @brief SFINAE */ #line 10 "Library\\src\\utils\\sfinae.hpp" #include <type_traits> #ifndef __INT128_DEFINED__ #ifdef __SIZEOF_INT128__ #define __INT128_DEFINED__ 1 #else #define __INT128_DEFINED__ 0 #endif #endif namespace std { #if __INT128_DEFINED__ template <> struct make_signed<__uint128_t> { using type = __int128_t; }; template <> struct make_signed<__int128_t> { using type = __int128_t; }; template <> struct make_unsigned<__uint128_t> { using type = __uint128_t; }; template <> struct make_unsigned<__int128_t> { using type = __uint128_t; }; template <> struct is_signed<__uint128_t> : std::false_type {}; template <> struct is_signed<__int128_t> : std::true_type {}; template <> struct is_unsigned<__uint128_t> : std::true_type {}; template <> struct is_unsigned<__int128_t> : std::false_type {}; #endif } // namespace std namespace workspace { template <class Tp, class... Args> struct variadic_front { using type = Tp; }; template <class... Args> struct variadic_back; template <class Tp> struct variadic_back<Tp> { using type = Tp; }; template <class Tp, class... Args> struct variadic_back<Tp, Args...> { using type = typename variadic_back<Args...>::type; }; template <class type, template <class> class trait> using enable_if_trait_type = typename std::enable_if<trait<type>::value>::type; /** * @brief Return type of subscripting ( @c [] ) access. */ template <class _Tp> using subscripted_type = typename std::decay<decltype(std::declval<_Tp&>()[0])>::type; template <class Container> using element_type = typename std::decay<decltype( *std::begin(std::declval<Container&>()))>::type; template <class _Tp, class = std::nullptr_t> struct has_begin : std::false_type {}; template <class _Tp> struct has_begin<_Tp, decltype(std::begin(std::declval<_Tp>()), nullptr)> : std::true_type {}; template <class _Tp, class = void> struct has_mod : std::false_type {}; template <class _Tp> struct has_mod<_Tp, std::__void_t<decltype(_Tp::mod)>> : std::true_type {}; template <class _Tp, class = void> struct is_integral_ext : std::false_type {}; template <class _Tp> struct is_integral_ext< _Tp, typename std::enable_if<std::is_integral<_Tp>::value>::type> : std::true_type {}; #if __INT128_DEFINED__ template <> struct is_integral_ext<__int128_t> : std::true_type {}; template <> struct is_integral_ext<__uint128_t> : std::true_type {}; #endif #if __cplusplus >= 201402 template <class _Tp> constexpr static bool is_integral_ext_v = is_integral_ext<_Tp>::value; #endif template <typename _Tp, typename = void> struct multiplicable_uint { using type = uint_least32_t; }; template <typename _Tp> struct multiplicable_uint< _Tp, typename std::enable_if<(2 < sizeof(_Tp)) && (!__INT128_DEFINED__ || sizeof(_Tp) <= 4)>::type> { using type = uint_least64_t; }; #if __INT128_DEFINED__ template <typename _Tp> struct multiplicable_uint<_Tp, typename std::enable_if<(4 < sizeof(_Tp))>::type> { using type = __uint128_t; }; #endif template <typename _Tp> struct multiplicable_int { using type = typename std::make_signed<typename multiplicable_uint<_Tp>::type>::type; }; template <typename _Tp> struct multiplicable { using type = std::conditional_t< is_integral_ext<_Tp>::value, std::conditional_t<std::is_signed<_Tp>::value, typename multiplicable_int<_Tp>::type, typename multiplicable_uint<_Tp>::type>, _Tp>; }; template <class> struct first_arg { using type = void; }; template <class _R, class _Tp, class... _Args> struct first_arg<_R(_Tp, _Args...)> { using type = _Tp; }; template <class _R, class _Tp, class... _Args> struct first_arg<_R (*)(_Tp, _Args...)> { using type = _Tp; }; template <class _G, class _R, class _Tp, class... _Args> struct first_arg<_R (_G::*)(_Tp, _Args...)> { using type = _Tp; }; template <class _G, class _R, class _Tp, class... _Args> struct first_arg<_R (_G::*)(_Tp, _Args...) const> { using type = _Tp; }; template <class _Tp, class = void> struct parse_compare : first_arg<_Tp> {}; template <class _Tp> struct parse_compare<_Tp, std::__void_t<decltype(&_Tp::operator())>> : first_arg<decltype(&_Tp::operator())> {}; } // namespace workspace #line 7 "Library\\src\\utils\\compare.hpp" #if __cplusplus >= 201703L namespace workspace { /** * @brief Compare 2 points by their value of `atan2`. * * @return */ template <class _Tp> bool compare_arg(const _Tp& __p1, const _Tp& __p2) noexcept { const auto& [__x1, __y1] = __p1; const auto& [__x2, __y2] = __p2; using value_type = std::decay_t<decltype(__x1)>; using mul_type = typename multiplicable<value_type>::type; if (__y1 == value_type(0)) return value_type(0) <= __x1 && (value_type(0) < __y2 || (__y2 == value_type(0) && __x2 < value_type(0))); return value_type(0) < __y1 ? value_type(0) <= __y2 && mul_type(__y1) * __x2 < mul_type(__x1) * __y2 : value_type(0) <= __y2 || mul_type(__y1) * __x2 < mul_type(__x1) * __y2; } } // namespace workspace #endif #line 2 "Library\\src\\utils\\fixed_point.hpp" /** * @file fixed_point.hpp * @brief Fixed Point Combinator */ #line 9 "Library\\src\\utils\\fixed_point.hpp" namespace workspace { /** * @brief Fixed Point Combinator. */ template <class _F> class fixed_point { struct _wrapper { _F &__ref; template <class... _Args> decltype(auto) operator()(_Args &&...__args) noexcept( noexcept(__ref(*this, std::forward<_Args>(__args)...))) { return __ref(*this, std::forward<_Args>(__args)...); } }; _F __fn; public: // Construct a new fixed-point object. fixed_point(_F __x) noexcept : __fn(__x) {} // Function call. template <class... _Args> decltype(auto) operator()(_Args &&...__args) noexcept(noexcept(_wrapper{ __fn}(std::forward<_Args>(__args)...))) { return _wrapper{__fn}(std::forward<_Args>(__args)...); } }; } // namespace workspace #line 6 "Library\\lib\\utils" // #include "src/utils/hash.hpp" // #include "src/utils/io/istream.hpp" #line 2 "Library\\src\\utils\\io\\ostream.hpp" /** * @file ostream.hpp * @brief Output Stream */ #line 9 "Library\\src\\utils\\io\\ostream.hpp" #line 11 "Library\\src\\utils\\io\\ostream.hpp" namespace workspace { template <class _Os> struct is_ostream { template <typename... _Args> static std::true_type __test(std::basic_ostream<_Args...> *); static std::false_type __test(void *); constexpr static bool value = decltype(__test(std::declval<_Os *>()))::value; }; template <class _Os> using ostream_ref = typename std::enable_if<is_ostream<_Os>::value, _Os &>::type; /** * @brief Stream insertion operator for C-style array. * * @param __os Output stream * @param __a Array * @return Reference to __os. */ template <class _Os, class _Tp, size_t _Nm> typename std::enable_if<bool(sizeof(_Tp) > 2), ostream_ref<_Os>>::type operator<<(_Os &__os, const _Tp (&__a)[_Nm]) { if _CXX17_CONSTEXPR (_Nm) { __os << *__a; for (auto __i = __a + 1, __e = __a + _Nm; __i != __e; ++__i) __os << ' ' << *__i; } return __os; } /** * @brief Stream insertion operator for std::array. * * @param __os Output stream * @param __a Array * @return Reference to __os. */ template <class _Os, class _Tp, size_t _Nm> ostream_ref<_Os> operator<<(_Os &__os, const std::array<_Tp, _Nm> &__a) { if _CXX17_CONSTEXPR (_Nm) { __os << __a[0]; for (size_t __i = 1; __i != _Nm; ++__i) __os << ' ' << __a[__i]; } return __os; } /** * @brief Stream insertion operator for std::pair. * * @param __os Output stream * @param __p Pair * @return Reference to __os. */ template <class _Os, class _T1, class _T2> ostream_ref<_Os> operator<<(_Os &__os, const std::pair<_T1, _T2> &__p) { return __os << __p.first << ' ' << __p.second; } /** * @brief Stream insertion operator for std::tuple. * * @param __os Output stream * @param __t Tuple * @return Reference to __os. */ template <class _Os, class _Tp, size_t _Nm = 0> typename std::enable_if<bool(std::tuple_size<_Tp>::value + 1), ostream_ref<_Os>>::type operator<<(_Os &__os, const _Tp &__t) { if _CXX17_CONSTEXPR (_Nm != std::tuple_size<_Tp>::value) { if _CXX17_CONSTEXPR (_Nm) __os << ' '; __os << std::get<_Nm>(__t); operator<<<_Os, _Tp, _Nm + 1>(__os, __t); } return __os; } template <class _Os, class _Container, typename = decltype(std::begin(std::declval<_Container>()))> typename std::enable_if< !std::is_same<std::decay_t<_Container>, std::string>::value && !std::is_same<std::decay_t<_Container>, char *>::value, ostream_ref<_Os>>::type operator<<(_Os &__os, const _Container &__cont) { bool __h = true; for (auto &&__e : __cont) __h ? __h = 0 : (__os << ' ', 0), __os << __e; return __os; } #ifdef __SIZEOF_INT128__ /** * @brief Stream insertion operator for __int128_t. * * @param __os Output Stream * @param __x 128-bit integer * @return Reference to __os. */ template <class _Os> ostream_ref<_Os> operator<<(_Os &__os, __int128_t __x) { if (!__x) return __os << '0'; if (__x < 0) __os << '-'; char __s[40], *__p = __s; while (__x) { auto __d = __x % 10; *__p++ = '0' + (__x < 0 ? -__d : __d); __x /= 10; } *__p = 0; for (char *__t = __s; __t < --__p; ++__t) *__t ^= *__p ^= *__t ^= *__p; return __os << __s; } /** * @brief Stream insertion operator for __uint128_t. * * @param __os Output Stream * @param __x 128-bit unsigned integer * @return Reference to __os. */ template <class _Os> ostream_ref<_Os> operator<<(_Os &__os, __uint128_t __x) { if (!__x) return __os << '0'; char __s[40], *__p = __s; while (__x) *__p++ = '0' + __x % 10, __x /= 10; *__p = 0; for (char *__t = __s; __t < --__p; ++__t) *__t ^= *__p ^= *__t ^= *__p; return __os << __s; } #endif } // namespace workspace #line 9 "Library\\lib\\utils" // #include "src/utils/io/read.hpp" #line 2 "Library\\src\\utils\\grid\\motion.hpp" /** * @file motion.hpp * @brief Motion */ #line 9 "Library\\src\\utils\\grid\\motion.hpp" #line 11 "Library\\src\\utils\\grid\\motion.hpp" namespace workspace { /** * @brief Transpose. * @param __grid */ template <class _Grid, typename = decltype(std::declval<std::decay_t<_Grid>>()[0].resize(0))> constexpr decltype(auto) transpose(_Grid &&__grid) noexcept { #if __cplusplus < 201703L auto __h = __grid.size(), __w = __grid[0].size(); #else auto __h = std::size(__grid), __w = std::size(__grid[0]); #endif std::decay_t<_Grid> __t(__w); for (auto &&__r : __t) __r.resize(__h); for (size_t __i = 0; __i != __h; ++__i) for (size_t __j = 0; __j != __w; ++__j) if _CXX17_CONSTEXPR (std::is_rvalue_reference<decltype(__grid)>::value) __t[__j][__i] = std::move(__grid[__i][__j]); else __t[__j][__i] = __grid[__i][__j]; return __t; } /** * @brief Transpose. * @param __grid */ template <class _Tp, size_t _Rows, size_t _Cols> constexpr decltype(auto) transpose(const _Tp (&__grid)[_Rows][_Cols]) noexcept { std::array<std::array<_Tp, _Rows>, _Cols> __t; for (size_t __i = 0; __i != _Rows; ++__i) for (size_t __j = 0; __j != _Cols; ++__j) __t[__j][__i] = __grid[__i][__j]; return __t; } /** * @brief Transpose. * @param __grid */ template <class _Tp, size_t _Rows, size_t _Cols> constexpr decltype(auto) transpose(_Tp(&&__grid)[_Rows][_Cols]) noexcept { std::array<std::array<_Tp, _Rows>, _Cols> __t; for (size_t __i = 0; __i != _Rows; ++__i) for (size_t __j = 0; __j != _Cols; ++__j) __t[__j][__i] = std::move(__grid[__i][__j]); return __t; } /** * @brief Transpose. * @param __grid */ template <class _Tp, size_t _Rows, size_t _Cols> constexpr decltype(auto) transpose( const std::array<std::array<_Tp, _Cols>, _Rows> &__grid) noexcept { std::array<std::array<_Tp, _Rows>, _Cols> __t; for (size_t __i = 0; __i != _Rows; ++__i) for (size_t __j = 0; __j != _Cols; ++__j) __t[__j][__i] = __grid[__i][__j]; return __t; } /** * @brief Transpose. * @param __grid */ template <class _Tp, size_t _Rows, size_t _Cols> constexpr decltype(auto) transpose( std::array<std::array<_Tp, _Cols>, _Rows> &&__grid) noexcept { std::array<std::array<_Tp, _Rows>, _Cols> __t; for (size_t __i = 0; __i != _Rows; ++__i) for (size_t __j = 0; __j != _Cols; ++__j) __t[__j][__i] = std::move(__grid[__i][__j]); return __t; } /** * @brief Roll the grid counter-clockwise. * @param __grid */ template <class _Grid> decltype(auto) roll_ccw(_Grid &&__grid) noexcept { if _CXX17_CONSTEXPR (std::is_rvalue_reference<decltype(__grid)>::value) { auto __t = transpose(std::move(__grid)); std::reverse(std::begin(__t), std::end(__t)); return __t; } else { auto __t = transpose(__grid); std::reverse(std::begin(__t), std::end(__t)); return __t; } } /** * @brief Roll the grid clockwise. * @param __grid */ template <class _Grid> decltype(auto) roll_cw(_Grid &&__grid) noexcept { if _CXX17_CONSTEXPR (std::is_rvalue_reference<decltype(__grid)>::value) { std::reverse(std::begin(__grid), std::end(__grid)); return transpose(std::move(__grid)); } else { auto __t = transpose(__grid); for (auto &&__r : __t) std::reverse(std::begin(__r), std::end(__r)); return __t; } } } // namespace workspace #line 2 "Library\\src\\utils\\io\\setup.hpp" /** * @file setup.hpp * @brief I/O Setup */ #line 10 "Library\\src\\utils\\io\\setup.hpp" namespace workspace { /** * @brief Setup I/O. * @param __n Standard output precision */ void io_setup(int __n) { std::cin.tie(0)->sync_with_stdio(0); std::cout << std::fixed << std::setprecision(__n); #ifdef _buffer_check atexit([] { char bufc; if (std::cin >> bufc) std::cerr << "\n\033[43m\033[30mwarning: buffer not empty.\033[0m\n\n"; }); #endif } } // namespace workspace #line 2 "Library\\src\\utils\\iterator\\category.hpp" /* * @file category.hpp * @brief Iterator Category */ #line 10 "Library\\src\\utils\\iterator\\category.hpp" namespace workspace { /* * @tparam Tuple Tuple of iterator types */ template <class Tuple, size_t N = std::tuple_size<Tuple>::value - 1> struct common_iterator_category { using type = typename std::common_type< typename common_iterator_category<Tuple, N - 1>::type, typename std::iterator_traits<typename std::tuple_element< N, Tuple>::type>::iterator_category>::type; }; template <class Tuple> struct common_iterator_category<Tuple, 0> { using type = typename std::iterator_traits< typename std::tuple_element<0, Tuple>::type>::iterator_category; }; } // namespace workspace #line 2 "Library\\src\\utils\\iterator\\reverse.hpp" /* * @file reverse_iterator.hpp * @brief Reverse Iterator */ #if __cplusplus >= 201703L #include <iterator> #include <optional> namespace workspace { /* * @class reverse_iterator * @brief Wrapper class for `std::reverse_iterator`. * @see http://gcc.gnu.org/PR51823 */ template <class Iterator> class reverse_iterator : public std::reverse_iterator<Iterator> { using base_std = std::reverse_iterator<Iterator>; std::optional<typename base_std::value_type> deref; public: using base_std::reverse_iterator; constexpr typename base_std::reference operator*() noexcept { if (!deref) { Iterator tmp = base_std::current; deref = *--tmp; } return deref.value(); } constexpr reverse_iterator &operator++() noexcept { base_std::operator++(); deref.reset(); return *this; } constexpr reverse_iterator &operator--() noexcept { base_std::operator++(); deref.reset(); return *this; } constexpr reverse_iterator operator++(int) noexcept { base_std::operator++(); deref.reset(); return *this; } constexpr reverse_iterator operator--(int) noexcept { base_std::operator++(); deref.reset(); return *this; } }; } // namespace workspace #endif #line 14 "Library\\lib\\utils" // #include "src/utils/make_vector.hpp" // #include "src/utils/py-like/enumerate.hpp" #line 2 "Library\\src\\utils\\py-like\\range.hpp" /** * @file range.hpp * @brief Range */ #line 9 "Library\\src\\utils\\py-like\\range.hpp" #line 2 "Library\\src\\utils\\py-like\\reversed.hpp" /** * @file reversed.hpp * @brief Reversed */ #include <initializer_list> #line 10 "Library\\src\\utils\\py-like\\reversed.hpp" namespace workspace { namespace _reversed_impl { template <class _Container> class reversed { _Container __cont; public: constexpr reversed(_Container &&__cont) noexcept : __cont(__cont) {} constexpr decltype(auto) begin() noexcept { return std::rbegin(__cont); } constexpr decltype(auto) begin() const noexcept { return std::rbegin(__cont); } constexpr decltype(auto) end() noexcept { return std::rend(__cont); } constexpr decltype(auto) end() const noexcept { return std::rend(__cont); } constexpr decltype(auto) size() const noexcept { return #if __cplusplus < 201703L __cont.size(); #else std::size(__cont); #endif } }; } // namespace _reversed_impl template <class _Container> constexpr decltype(auto) reversed(_Container &&__cont) noexcept { return _reversed_impl::reversed<_Container>{std::forward<_Container>(__cont)}; } template <class _Tp> constexpr decltype(auto) reversed( std::initializer_list<_Tp> &&__cont) noexcept { return _reversed_impl::reversed<std::initializer_list<_Tp>>{ std::forward<std::initializer_list<_Tp>>(__cont)}; } } // namespace workspace #line 12 "Library\\src\\utils\\py-like\\range.hpp" #if __cplusplus >= 201703L namespace workspace { template <class _Index> class range { _Index __first, __last; public: class iterator { _Index current; public: using difference_type = std::ptrdiff_t; using value_type = _Index; using reference = typename std::add_const<_Index>::type &; using pointer = iterator; using iterator_category = std::random_access_iterator_tag; constexpr iterator(const _Index &__i = _Index()) noexcept : current(__i) {} constexpr bool operator==(const iterator &__x) const noexcept { return current == __x.current; } constexpr bool operator!=(const iterator &__x) const noexcept { return current != __x.current; } constexpr bool operator<(const iterator &__x) const noexcept { return current < __x.current; } constexpr bool operator<=(const iterator &__x) const noexcept { return current <= __x.current; } constexpr bool operator>(const iterator &__x) const noexcept { return current > __x.current; } constexpr bool operator>=(const iterator &__x) const noexcept { return current >= __x.current; } constexpr iterator &operator++() noexcept { ++current; return *this; } constexpr iterator &operator++(int) noexcept { auto __tmp = *this; ++current; return __tmp; } constexpr iterator &operator--() noexcept { --current; return *this; } constexpr iterator &operator--(int) noexcept { auto __tmp = *this; --current; return __tmp; } constexpr difference_type operator-(const iterator &__x) const noexcept { return current - __x.current; } constexpr iterator &operator+=(difference_type __x) noexcept { current += __x; return *this; } constexpr iterator operator+(difference_type __x) const noexcept { return iterator(*this) += __x; } constexpr iterator &operator-=(difference_type __x) noexcept { current -= __x; return *this; } constexpr iterator operator-(difference_type __x) const noexcept { return iterator(*this) -= __x; } constexpr reference operator*() const noexcept { return current; } }; template <class _Tp1, class _Tp2> constexpr range(const _Tp1 &__first, const _Tp2 &__last) noexcept : __first(__first), __last(__last) {} template <class _Tp> constexpr range(const _Tp &__last) noexcept : __first(), __last(__last) {} constexpr iterator begin() const noexcept { return iterator{__first}; } constexpr iterator end() const noexcept { return iterator{__last}; } constexpr reverse_iterator<iterator> rbegin() const noexcept { return reverse_iterator<iterator>(end()); } constexpr reverse_iterator<iterator> rend() const noexcept { return reverse_iterator<iterator>(begin()); } constexpr size_t size() const noexcept { return std::distance(__first, __last); } }; template <class _Tp1, class _Tp2> range(const _Tp1 &, const _Tp2 &) -> range<std::decay_t<decltype(++std::declval<_Tp1 &>())>>; template <class _Tp> range(const _Tp &) -> range<std::decay_t<decltype(++std::declval<_Tp &>())>>; template <class... _Args> constexpr decltype(auto) rrange(_Args &&...__args) noexcept { return reversed(range(std::forward<_Args>(__args)...)); } template <class _Container> constexpr decltype(auto) iterate(_Container &&__cont) noexcept { return range(std::begin(__cont), std::end(__cont)); } template <class _Container> constexpr decltype(auto) riterate(_Container &&__cont) noexcept { return range(std::rbegin(__cont), std::rend(__cont)); } } // namespace workspace #endif #line 17 "Library\\lib\\utils" // #include "src/utils/py-like/reversed.hpp" // #include "src/utils/py-like/zip.hpp" #line 2 "Library\\src\\utils\\rand\\rng.hpp" /** * @file rng.hpp * @brief Random Number Generator */ #line 9 "Library\\src\\utils\\rand\\rng.hpp" namespace workspace { template <typename _Arithmetic> using uniform_distribution = typename std::conditional< std::is_integral<_Arithmetic>::value, std::uniform_int_distribution<_Arithmetic>, std::uniform_real_distribution<_Arithmetic>>::type; template <typename _Arithmetic, class _Engine = std::mt19937> class random_number_generator : uniform_distribution<_Arithmetic> { using base = uniform_distribution<_Arithmetic>; _Engine __engine; public: random_number_generator(_Arithmetic __min, _Arithmetic __max) : base(__min, __max), __engine(std::random_device{}()) {} random_number_generator(_Arithmetic __max = 1) : random_number_generator(0, __max) {} random_number_generator(typename base::param_type const& __param) : base(__param), __engine(std::random_device{}()) {} decltype(auto) operator()() noexcept { return base::operator()(__engine); } }; } // namespace workspace #line 2 "Library\\src\\utils\\rand\\shuffle.hpp" /** * @file shuffle.hpp * @brief Shuffle */ #line 10 "Library\\src\\utils\\rand\\shuffle.hpp" namespace workspace { template <class _RAIter, class _Engine = std::mt19937> void shuffle(_RAIter __first, _RAIter __last) { static _Engine __engine(std::random_device{}()); std::shuffle(__first, __last, __engine); } } // namespace workspace #line 2 "Library\\src\\utils\\round_div.hpp" /* * @file round_div.hpp * @brief Round Integer Division */ #line 9 "Library\\src\\utils\\round_div.hpp" #line 11 "Library\\src\\utils\\round_div.hpp" namespace workspace { /* * @fn floor_div * @brief floor of fraction. * @param x the numerator * @param y the denominator * @return maximum integer z s.t. z <= x / y * @note y must be nonzero. */ template <typename T1, typename T2> constexpr typename std::enable_if<(is_integral_ext<T1>::value && is_integral_ext<T2>::value), typename std::common_type<T1, T2>::type>::type floor_div(T1 x, T2 y) { assert(y != 0); if (y < 0) x = -x, y = -y; return x < 0 ? (x - y + 1) / y : x / y; } /* * @fn ceil_div * @brief ceil of fraction. * @param x the numerator * @param y the denominator * @return minimum integer z s.t. z >= x / y * @note y must be nonzero. */ template <typename T1, typename T2> constexpr typename std::enable_if<(is_integral_ext<T1>::value && is_integral_ext<T2>::value), typename std::common_type<T1, T2>::type>::type ceil_div(T1 x, T2 y) { assert(y != 0); if (y < 0) x = -x, y = -y; return x < 0 ? x / y : (x + y - 1) / y; } } // namespace workspace #line 22 "Library\\lib\\utils" // #include "src\utils\rand\tree.hpp" // #include "src\utils\reference_list.hpp" #line 2 "Library\\src\\utils\\io\\input.hpp" /** * @file input.hpp * @brief Input */ #line 2 "Library\\src\\utils\\io\\istream.hpp" /** * @file istream.hpp * @brief Input Stream */ #include <cxxabi.h> #line 13 "Library\\src\\utils\\io\\istream.hpp" #line 16 "Library\\src\\utils\\io\\istream.hpp" namespace workspace { namespace _istream_impl { template <class _Tp, typename = void> struct helper { helper(std::istream &__is, _Tp &__x) { if _CXX17_CONSTEXPR (has_begin<_Tp &>::value) for (auto &&__e : __x) helper<std::decay_t<decltype(__e)>>(__is, __e); else static_assert(has_begin<_Tp>::value, "istream unsupported type."); } }; template <class _Tp> struct helper<_Tp, std::__void_t<decltype(std::declval<std::istream &>() >> std::declval<_Tp &>())>> { helper(std::istream &__is, _Tp &__x) { __is >> __x; } }; #ifdef __SIZEOF_INT128__ template <> struct helper<__uint128_t, void> { helper(std::istream &__is, __uint128_t &__x) { std::string __s; __is >> __s; bool __neg = false; if (__s.front() == '-') __neg = true, __s.erase(__s.begin()); __x = 0; for (char __d : __s) { __x *= 10; __d -= '0'; if (__neg) __x -= __d; else __x += __d; } } }; template <> struct helper<__int128_t, void> { helper(std::istream &__is, __int128_t &__x) { std::string __s; __is >> __s; bool __neg = false; if (__s.front() == '-') __neg = true, __s.erase(__s.begin()); __x = 0; for (char __d : __s) { __x *= 10; __d -= '0'; if (__neg) __x -= __d; else __x += __d; } } }; #endif // INT128 template <class _T1, class _T2> struct helper<std::pair<_T1, _T2>> { helper(std::istream &__is, std::pair<_T1, _T2> &__x) { helper<_T1>(__is, __x.first), helper<_T2>(__is, __x.second); } }; template <class... _Tp> struct helper<std::tuple<_Tp...>> { helper(std::istream &__is, std::tuple<_Tp...> &__x) { iterate(__is, __x); } private: template <class _Tuple, size_t _Nm = 0> void iterate(std::istream &__is, _Tuple &__x) { if _CXX17_CONSTEXPR (_Nm != std::tuple_size<_Tuple>::value) { helper<typename std::tuple_element<_Nm, _Tuple>::type>( __is, std::get<_Nm>(__x)), iterate<_Tuple, _Nm + 1>(__is, __x); } } }; } // namespace _istream_impl /** * @brief A wrapper class for std::istream. */ class istream : public std::istream { public: /** * @brief Wrapped operator. */ template <typename _Tp> istream &operator>>(_Tp &__x) { _istream_impl::helper<_Tp>(*this, __x); if (std::istream::fail()) { static auto once = atexit([] { std::cerr << "\n\033[43m\033[30mwarning: failed to read \'" << abi::__cxa_demangle(typeid(_Tp).name(), 0, 0, 0) << "\'.\033[0m\n\n"; }); assert(!once); } return *this; } }; decltype(auto) cin = static_cast<istream &>(std::cin); } // namespace workspace #line 9 "Library\\src\\utils\\io\\input.hpp" namespace workspace { namespace _input_impl { template <class _Tp, bool _Is_class = false> class input { _Tp __value; template <class _Arg, class... _Args> struct is_same : std::false_type {}; template <class _Arg> struct is_same<_Arg, _Arg> : std::true_type {}; public: operator _Tp &() noexcept { return __value; } operator const _Tp &() const noexcept { return __value; } template <class... _Args> input(_Args &&...__args) noexcept : __value(std::forward<_Args>(__args)...) { if _CXX17_CONSTEXPR (!is_same<decltype(*this), _Args...>::value && !is_same<_Tp, _Args...>::value) cin >> __value; } input &operator=(const _Tp &__x) noexcept { return __value = __x, *this; } }; template <class _Tp> class input<_Tp, true> : public _Tp { template <class _Arg, class... _Args> struct is_same : std::false_type {}; template <class _Arg> struct is_same<_Arg, _Arg> : std::true_type {}; public: operator _Tp &() noexcept { return *this; } operator const _Tp &() const noexcept { return *this; } template <class... _Args> input(_Args &&...__args) noexcept : _Tp(std::forward<_Args>(__args)...) { if _CXX17_CONSTEXPR (!is_same<decltype(*this), _Args...>::value && !is_same<_Tp, _Args...>::value) cin >> *this; } input &operator=(const _Tp &__x) noexcept { _Tp::operator=(__x); return *this; } }; } // namespace _input_impl template <class _Tp> using input = _input_impl::input<_Tp, std::is_class<_Tp>::value>; } // namespace workspace #line 11 "other-workspace\\omc.cc" // #include "lib/graph" // #include "lib/modular" // #include "lib/combinatorics" // #include "lib/data_structure" // #include "lib/algebra" // #include "lib/number_theory" // #include "lib/string" signed main() { using namespace workspace; io_setup(15); /* given case_info.read(); //*/ /* unspecified case_info.total = -1; //*/ return case_info.iterate(); } namespace workspace { void main() { // start here! string s; cin >> s; s += 'a'; string h(1, 'z' + 1); reverse(begin(s), end(s)); auto pos = s.size(), last = pos; vector<int> q; for (auto &c : s) { --pos; if (c == '?') { c = h.back(); q.emplace_back(pos); } else { auto b = partition_point(begin(h), end(h), [&](auto x) { return x > c; }); if (b != h.end()) { *b = c; } else { h += c; last = pos; } } } reverse(begin(s), end(s)); for (auto p : q) { if (p > last) s[p] = 'a'; } s.pop_back(); cout << s << "\n"; } } // namespace workspace