// BEGIN: ../sakumon/gosayurusanai/main.cpp #line 1 "..::sakumon::gosayurusanai::main.cpp" // BEGIN: pch.hpp #line 3 "pch.hpp" #if defined(__GNUC__) && !defined(__clang__) #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #endif #define dump(...) #define CPP_DUMP_SET_OPTION(...) #define CPP_DUMP_DEFINE_EXPORT_OBJECT(...) #define CPP_DUMP_DEFINE_EXPORT_ENUM(...) #define CPP_DUMP_DEFINE_DANGEROUS_EXPORT_OBJECT(...) // BEGIN: template.hpp #line 3 "template.hpp" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // BEGIN: utilities/fast_io.hpp #line 3 "utilities::fast_io.hpp" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include namespace m1une { namespace utilities { namespace internal { // Detect std::begin(x), std::end(x). template struct is_range : std::false_type {}; template struct is_range())), decltype(std::end(std::declval())) >> : std::true_type {}; template inline constexpr bool is_range_v = is_range::value; template using range_reference_t = decltype(*std::begin(std::declval())); template using range_value_t = std::remove_cv_t>>; template struct range_stored_value { using type = range_value_t; }; template struct range_stored_value>::value_type>> { using type = typename std::remove_cv_t>::value_type; }; template using range_stored_value_t = typename range_stored_value::type; // Treat strings and C strings as scalar output objects, not as ranges. template struct is_char_array : std::false_type {}; template struct is_char_array : std::bool_constant, char>> {}; template struct is_string_like : std::bool_constant< std::is_same_v, std::string> || std::is_same_v, const char*> || std::is_same_v, char*> || is_char_array>::value > {}; template inline constexpr bool is_string_like_v = is_string_like::value; // ModInt-like type: x.val() is printable, and x can be assigned from long long. template struct has_val_method : std::false_type {}; template struct has_val_method().val())>> : std::true_type {}; template inline constexpr bool has_val_method_v = has_val_method::value; template struct has_static_mod_raw : std::false_type {}; template struct has_static_mod_raw< T, std::void_t()))>> : std::true_type {}; template inline constexpr bool has_static_mod_raw_v = has_static_mod_raw::value; // libstdc++ before GCC 16 does not classify __int128 as an integral type in // strict ISO modes such as -std=c++23. Keep the fast-I/O interface independent // of that implementation detail. template inline constexpr bool is_integral_v = std::is_integral_v || std::is_same_v, __int128_t> || std::is_same_v, __uint128_t>; template inline constexpr bool is_signed_v = std::is_signed_v || std::is_same_v, __int128_t>; template struct make_unsigned { using type = std::make_unsigned_t; }; template <> struct make_unsigned<__int128_t> { using type = __uint128_t; }; template <> struct make_unsigned<__uint128_t> { using type = __uint128_t; }; template using make_unsigned_t = typename make_unsigned>::type; } // namespace internal struct FastInput { static constexpr int buffer_size = 1 << 20; private: std::FILE* _stream; char _buffer[buffer_size]; int _position; int _length; int _file_descriptor; bool _streaming; bool refill() { _position = 0; if (_streaming) { ssize_t length; do { length = ::read(_file_descriptor, _buffer, buffer_size); } while (length < 0 && errno == EINTR); if (length <= 0) { _length = 0; return false; } _length = int(length); } else { _length = int(std::fread(_buffer, 1, buffer_size, _stream)); } return _length != 0; } template bool read_integer_from_stream(T& value) { if (!skip_spaces()) return false; int c = read_char_raw(); bool negative = false; if (c == '-') { negative = true; c = read_char_raw(); } if constexpr (internal::is_signed_v) { T result = 0; while ('0' <= c && c <= '9') { result = negative ? result * 10 - (c - '0') : result * 10 + (c - '0'); c = read_char_raw(); } value = result; } else { T result = 0; while ('0' <= c && c <= '9') { result = result * 10 + T(c - '0'); c = read_char_raw(); } value = negative ? T(0) - result : result; } return true; } bool prepare_number() { if (_length - _position >= 64) return true; const int remaining = _length - _position; if (remaining > 0) std::memmove(_buffer, _buffer + _position, remaining); const int added = int(std::fread(_buffer + remaining, 1, buffer_size - remaining, _stream)); _position = 0; _length = remaining + added; if (_length < buffer_size) _buffer[_length] = '\0'; return _length != 0; } public: explicit FastInput(std::FILE* stream = stdin) : _stream(stream), _position(0), _length(0), _file_descriptor(::fileno(stream)), _streaming([&] { struct stat status; return _file_descriptor >= 0 && ::fstat(_file_descriptor, &status) == 0 && !S_ISREG(status.st_mode); }()) {} FastInput(const FastInput&) = delete; FastInput& operator=(const FastInput&) = delete; int read_char_raw() { if (_position == _length && !refill()) return EOF; return _buffer[_position++]; } bool skip_spaces() { int c = read_char_raw(); while (c != EOF && c <= ' ') c = read_char_raw(); if (c == EOF) return false; --_position; return true; } bool read(char& value) { if (!skip_spaces()) return false; value = char(read_char_raw()); return true; } bool read(std::string& value) { if (!skip_spaces()) return false; value.clear(); while (true) { const int begin = _position; while (_position < _length && static_cast(_buffer[_position]) > ' ') { ++_position; } value.append(_buffer + begin, _position - begin); if (_position < _length) { ++_position; return true; } if (!refill()) return true; } } bool read(bool& value) { int x; if (!read(x)) return false; value = x != 0; return true; } template std::enable_if_t< internal::is_integral_v && !std::is_same_v, bool> && !std::is_same_v, char>, bool > read(T& value) { if (_streaming) return read_integer_from_stream(value); if (!prepare_number()) return false; int c = static_cast(_buffer[_position++]); while (c <= ' ') c = static_cast(_buffer[_position++]); bool negative = false; if (c == '-') { negative = true; c = static_cast(_buffer[_position++]); } if constexpr (internal::is_signed_v) { T result = 0; while ('0' <= c && c <= '9') { const int first = c - '0'; const int second = static_cast(_buffer[_position]) - '0'; if (0 <= second && second <= 9) { result = negative ? result * 100 - (first * 10 + second) : result * 100 + (first * 10 + second); ++_position; } else { result = negative ? result * 10 - first : result * 10 + first; } c = static_cast(_buffer[_position++]); } value = result; } else { T result = 0; while ('0' <= c && c <= '9') { const unsigned first = unsigned(c - '0'); const int second = static_cast(_buffer[_position]) - '0'; if (0 <= second && second <= 9) { result = result * 100 + T(first * 10 + unsigned(second)); ++_position; } else { result = result * 10 + T(first); } c = static_cast(_buffer[_position++]); } value = negative ? T(0) - result : result; } if (_position > _length) _position = _length; return true; } template std::enable_if_t, bool> read(T& value) { if (!skip_spaces()) return false; int c = read_char_raw(); bool negative = false; if (c == '-' || c == '+') { negative = c == '-'; c = read_char_raw(); } long double result = 0; while ('0' <= c && c <= '9') { result = result * 10 + (c - '0'); c = read_char_raw(); } if (c == '.') { long double place = 0.1L; c = read_char_raw(); while ('0' <= c && c <= '9') { result += (c - '0') * place; place *= 0.1L; c = read_char_raw(); } } if (c == 'e' || c == 'E') { c = read_char_raw(); bool exponent_negative = false; if (c == '-' || c == '+') { exponent_negative = c == '-'; c = read_char_raw(); } int exponent = 0; while ('0' <= c && c <= '9') { exponent = exponent * 10 + (c - '0'); c = read_char_raw(); } long double scale = 1; long double power = 10; while (exponent > 0) { if (exponent & 1) scale *= power; power *= power; exponent >>= 1; } result = exponent_negative ? result / scale : result * scale; } value = static_cast(negative ? -result : result); return true; } template std::enable_if_t< internal::has_val_method_v && !internal::is_integral_v && !internal::is_range_v, bool > read(T& value) { long long x; if (!read(x)) return false; if constexpr (internal::has_static_mod_raw_v) { if (x >= 0 && uint64_t(x) < uint64_t(T::mod())) { value = T::raw(uint32_t(x)); } else { value = T(x); } } else { value = T(x); } return true; } template bool read(std::pair& value) { if (!read(value.first)) return false; return read(value.second); } template std::enable_if_t< internal::is_range_v && !internal::is_string_like_v, bool > read(Range& range) { using StoredValue = internal::range_stored_value_t; constexpr bool nested = internal::is_range_v && !internal::is_string_like_v; for (auto&& value : range) { if constexpr (std::is_same_v && !nested) { bool x; if (!read(x)) return false; value = x; } else { if (!read(value)) return false; } } return true; } template bool read(First& first, Second& second, Rest&... rest) { if (!read(first)) return false; return read(second, rest...); } template FastInput& operator>>(T& value) { if (!read(value)) std::abort(); return *this; } }; struct FastOutput { static constexpr int buffer_size = 1 << 20; private: inline static const auto digit_quads = [] { std::array result{}; for (int i = 0; i < 10000; i++) { int value = i; for (int j = 3; j >= 0; j--) { result[4 * i + j] = char('0' + value % 10); value /= 10; } } return result; }(); std::FILE* _stream; char _buffer[buffer_size]; int _position; int _precision; std::chars_format _float_format; char _range_separator; public: explicit FastOutput(std::FILE* stream = stdout) : _stream(stream), _position(0), _precision(6), _float_format(std::chars_format::general), _range_separator(' ') {} FastOutput(const FastOutput&) = delete; FastOutput& operator=(const FastOutput&) = delete; ~FastOutput() { flush(); } void flush() { if (_position != 0) { std::fwrite(_buffer, 1, _position, _stream); _position = 0; } std::fflush(_stream); } void write_char(char c) { if (_position == buffer_size) flush(); _buffer[_position++] = c; } void write(const char* s) { while (*s != '\0') write_char(*s++); } void write(const std::string& s) { std::size_t position = 0; while (position < s.size()) { if (_position == buffer_size) flush(); const std::size_t copied = std::min(buffer_size - _position, s.size() - position); std::memcpy(_buffer + _position, s.data() + position, copied); _position += int(copied); position += copied; } } void write(char c) { write_char(c); } void write(bool value) { write_char(value ? '1' : '0'); } template std::enable_if_t> write(T value) { char digits[128]; auto [end, error] = std::to_chars( digits, digits + sizeof(digits), value, _float_format, _precision ); if (error != std::errc()) std::abort(); for (const char* pointer = digits; pointer != end; pointer++) { write_char(*pointer); } } template std::enable_if_t< internal::is_integral_v && !std::is_same_v, bool> && !std::is_same_v, char> > write(T value) { using Raw = std::remove_cv_t; using Unsigned = internal::make_unsigned_t; Unsigned magnitude; if constexpr (internal::is_signed_v) { if (value < 0) { write_char('-'); magnitude = Unsigned(0) - Unsigned(value); } else { magnitude = Unsigned(value); } } else { magnitude = value; } if (magnitude == 0) { write_char('0'); return; } unsigned chunks[16]; int count = 0; while (magnitude >= 10000) { const Unsigned quotient = magnitude / 10000; chunks[count++] = unsigned(magnitude - quotient * 10000); magnitude = quotient; } if (_position > buffer_size - 64) flush(); const unsigned leading = unsigned(magnitude); const char* first = digit_quads.data() + 4 * leading; int skip = leading < 10 ? 3 : leading < 100 ? 2 : leading < 1000 ? 1 : 0; for (; skip < 4; skip++) _buffer[_position++] = first[skip]; while (count--) { const char* digits = digit_quads.data() + 4 * chunks[count]; std::memcpy(_buffer + _position, digits, 4); _position += 4; } } template std::enable_if_t< internal::has_val_method_v && !internal::is_integral_v && !internal::is_range_v > write(const T& value) { write(value.val()); } template void write(const std::pair& value) { write(value.first); write_char(' '); write(value.second); } template std::enable_if_t< internal::is_range_v && !internal::is_string_like_v > write(const Range& range) { using StoredValue = internal::range_stored_value_t; constexpr bool nested = internal::is_range_v && !internal::is_string_like_v; bool first = true; for (const auto& value : range) { if (!first) write_char(nested ? '\n' : _range_separator); first = false; if constexpr (std::is_same_v && !nested) { write(static_cast(value)); } else { write(value); } } } template void print(const First& first, const Rest&... rest) { write(first); ((write_char(' '), write(rest)), ...); } void println() { write_char('\n'); } void set_precision(int precision) { _precision = precision; } void set_fixed(int precision = 6) { _float_format = std::chars_format::fixed; _precision = precision; } void set_general(int precision = 6) { _float_format = std::chars_format::general; _precision = precision; } void set_range_separator(char separator) { _range_separator = separator; } template void println(const Args&... args) { print(args...); write_char('\n'); } template FastOutput& operator<<(const T& value) { write(value); return *this; } }; } // namespace utilities } // namespace m1une // END: utilities/fast_io.hpp #line 103 "template.hpp" using namespace std; namespace m1une { namespace template_io { inline utilities::FastInput& input() { static utilities::FastInput instance; return instance; } inline utilities::FastOutput& output() { static utilities::FastOutput instance; return instance; } } // namespace template_io } // namespace m1une using ll = long long; using u32 = unsigned int; using u64 = unsigned long long; using i128 = __int128; using u128 = unsigned __int128; #ifdef __SIZEOF_FLOAT128__ using f128 = __float128; #endif template constexpr T infty = 0; template <> constexpr int infty = 1'000'000'000; template <> constexpr ll infty = ll(infty) * infty * 2; template <> constexpr u32 infty = infty; template <> constexpr u64 infty = infty; template <> constexpr i128 infty = i128(infty) * infty; template <> constexpr double infty = infty; template <> constexpr long double infty = infty; using pi = pair; using pl = pair; using vi = vector; using vl = vector; template using vc = vector; template using vvc = vector>; using vvi = vvc; using vvl = vvc; template using vvvc = vector>; template using vvvvc = vector>; template using vvvvvc = vector>; template using pqg = std::priority_queue, greater>; template using umap = unordered_map; // template // using tree = __gnu_pbds::tree, // __gnu_pbds::rb_tree_tag, // __gnu_pbds::tree_order_statistics_node_update>; #define vv(type, name, h, ...) vector> name(h, vector(__VA_ARGS__)) #define vvv(type, name, h, w, ...) \ vector>> name(h, vector>(w, vector(__VA_ARGS__))) #define vvvv(type, name, a, b, c, ...) \ vector>>> name( \ a, vector>>(b, vector>(c, vector(__VA_ARGS__)))) #define overload4(a, b, c, d, e, ...) e #define overload3(a, b, c, d, ...) d // FOR(a) := for (ll _ = 0; _ < (ll)a; ++_) // FOR(i, a) := for (ll i = 0; i < (ll)a; ++i) // FOR(i, a, b) := for (ll i = a; i < (ll)b; ++i) // FOR(i, a, b, c) := for (ll i = a; i < (ll)b; i += (c)) // FOR_R(a) := for (ll i = (a) - 1; i >= 0; --i) // FOR_R(i, a) := for (ll i = (a) - 1; i >= 0; --i) // FOR_R(i, a, b) := for (ll i = (b) - 1; i >= (ll)a; --i) #define FOR1(a) for (ll _ = 0; _ < (ll)a; ++_) #define FOR2(i, a) for (ll i = 0; i < (ll)a; ++i) #define FOR3(i, a, b) for (ll i = a; i < (ll)b; ++i) #define FOR4(i, a, b, c) for (ll i = a; i < (ll)b; i += (c)) #define FOR1_R(a) for (ll i = (a) - 1; i >= 0; --i) #define FOR2_R(i, a) for (ll i = (a) - 1; i >= 0; --i) #define FOR3_R(i, a, b) for (ll i = (b) - 1; i >= (ll)a; --i) #define FOR(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__) #define FOR_R(...) overload3(__VA_ARGS__, FOR3_R, FOR2_R, FOR1_R)(__VA_ARGS__) #define FORI1(a) for (int _ = 0; _ < (int)a; ++_) #define FORI2(i, a) for (int i = 0; i < (int)a; ++i) #define FORI3(i, a, b) for (int i = a; i < (int)b; ++i) #define FORI4(i, a, b, c) for (int i = a; i < (int)b; i += (c)) #define FORI1_R(a) for (int i = (a) - 1; i >= 0; --i) #define FORI2_R(i, a) for (int i = (a) - 1; i >= 0; --i) #define FORI3_R(i, a, b) for (int i = (b) - 1; i >= (int)a; --i) #define FORI(...) overload4(__VA_ARGS__, FORI4, FORI3, FORI2, FORI1)(__VA_ARGS__) #define FORI_R(...) overload3(__VA_ARGS__, FORI3_R, FORI2_R, FORI1_R)(__VA_ARGS__) #define FOR_subset(t, s) for (int t = (s); t >= 0; t = (t == 0 ? -1 : (t - 1) & (s))) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() int popcnt(int x) { return __builtin_popcount(x); } int popcnt(u32 x) { return __builtin_popcount(x); } int popcnt(ll x) { return __builtin_popcountll(x); } int popcnt(u64 x) { return __builtin_popcountll(x); } int popcnt_mod_2(int x) { return __builtin_parity(x); } int popcnt_mod_2(u32 x) { return __builtin_parity(x); } int popcnt_mod_2(ll x) { return __builtin_parityll(x); } int popcnt_mod_2(u64 x) { return __builtin_parityll(x); } // (0, 1, 2, 3, 4) -> (-1, 0, 1, 1, 2) int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); } int topbit(u32 x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); } int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); } int topbit(u64 x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); } // (0, 1, 2, 3, 4) -> (-1, 0, 1, 0, 2) int lowbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); } int lowbit(u32 x) { return (x == 0 ? -1 : __builtin_ctz(x)); } int lowbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); } int lowbit(u64 x) { return (x == 0 ? -1 : __builtin_ctzll(x)); } template T floor(T a, T b) { return a / b - (a % b && (a ^ b) < 0); } template T ceil(T x, T y) { return floor(x + y - 1, y); } template T bmod(T x, T y) { return x - y * floor(x, y); } template pair divmod(T x, T y) { T q = floor(x, y); return {q, x - q * y}; } template T POW(U x_, int n) { T x = x_; T ret = 1; while (n > 0) { if (n & 1) ret *= x; x *= x; n >>= 1; } return ret; } template T SUM(const vector& A) { T sm = 0; for (auto&& a : A) sm += a; return sm; } #define LB(c, x) distance((c).begin(), lower_bound(all(c), (x))) #define UB(c, x) distance((c).begin(), upper_bound(all(c), (x))) #define UNIQUE(x) sort(all(x)), x.erase(unique(all(x)), x.end()), x.shrink_to_fit() template inline bool chmax(T& a, const S& b) { return (a < b ? a = b, 1 : 0); } template inline bool chmin(T& a, const S& b) { return (a > b ? a = b, 1 : 0); } // ? は -1 vc s_to_vi(const string& S, char first_char) { vc A(S.size()); FOR(i, S.size()) { A[i] = (S[i] != '?' ? S[i] - first_char : -1); } return A; } template vector cumsum(vector& A, int off = 1) { int N = A.size(); vector B(N + 1); FOR(i, N) { B[i + 1] = B[i] + A[i]; } if (off == 0) B.erase(B.begin()); return B; } template vector argsort(const vector& A) { vector ids(A.size()); iota(all(ids), 0); sort(all(ids), [&](int i, int j) { return (A[i] == A[j] ? i < j : A[i] < A[j]); }); return ids; } // A[I[0]], A[I[1]], ... template vc rearrange(const vc& A, const vc& I) { vc B(I.size()); FOR(i, I.size()) B[i] = A[I[i]]; return B; } template constexpr auto min(T... a) { return min(initializer_list>{a...}); } template constexpr auto max(T... a) { return max(initializer_list>{a...}); } template bool scan(Ts&... values) { return m1une::template_io::input().read(values...); } template void print(const Ts&... values) { m1une::template_io::output().println(values...); } void YESNO(bool b) { m1une::template_io::output().println(b ? "YES" : "NO"); } void YesNo(bool b) { m1une::template_io::output().println(b ? "Yes" : "No"); } void YES() { m1une::template_io::output().println("YES"); } void NO() { m1une::template_io::output().println("NO"); } void Yes() { m1une::template_io::output().println("Yes"); } void No() { m1une::template_io::output().println("No"); } // END: template.hpp #line 29 "pch.hpp" // END: pch.hpp #line 2 "..::sakumon::gosayurusanai::main.cpp" // BEGIN: graph/dijkstra.hpp #line 3 "graph::dijkstra.hpp" #include #include #include #include #include // BEGIN: graph.hpp #line 3 "graph.hpp" #include #include #include namespace m1une { namespace graph { template struct Edge { using cost_type = T; int from; int to; T cost; int id; bool alive; Edge() : from(-1), to(-1), cost(T()), id(-1), alive(true) {} Edge(int from_, int to_, T cost_ = T(1), int id_ = -1, bool alive_ = true) : from(from_), to(to_), cost(cost_), id(id_), alive(alive_) {} int other(int v) const { assert(v == from || v == to); return from ^ to ^ v; } }; template struct Graph { using edge_type = Edge; using cost_type = T; private: int _n; int _edge_count; std::vector> _g; std::vector>> _edge_positions; public: Graph() : _n(0), _edge_count(0) {} explicit Graph(int n) : _n(n), _edge_count(0), _g(n) { assert(0 <= n); } int size() const { return _n; } bool empty() const { return _n == 0; } int edge_count() const { return _edge_count; } int add_vertex() { _g.emplace_back(); return _n++; } int add_directed_edge(int from, int to, T cost = T(1)) { assert(0 <= from && from < _n); assert(0 <= to && to < _n); int id = _edge_count++; int idx = int(_g[from].size()); _g[from].push_back(edge_type(from, to, cost, id)); _edge_positions.emplace_back(); _edge_positions.back().push_back({from, idx}); return id; } int add_edge(int u, int v, T cost = T(1)) { assert(0 <= u && u < _n); assert(0 <= v && v < _n); int id = _edge_count++; int u_idx = int(_g[u].size()); _g[u].push_back(edge_type(u, v, cost, id)); int v_idx = int(_g[v].size()); _g[v].push_back(edge_type(v, u, cost, id)); _edge_positions.emplace_back(); _edge_positions.back().push_back({u, u_idx}); _edge_positions.back().push_back({v, v_idx}); return id; } void set_edge_alive(int id, bool alive) { assert(0 <= id && id < _edge_count); for (auto [v, idx] : _edge_positions[id]) { _g[v][idx].alive = alive; } } void erase_edge(int id) { set_edge_alive(id, false); } void revive_edge(int id) { set_edge_alive(id, true); } bool is_edge_alive(int id) const { assert(0 <= id && id < _edge_count); assert(!_edge_positions[id].empty()); auto [v, idx] = _edge_positions[id][0]; return _g[v][idx].alive; } const std::vector& operator[](int v) const { assert(0 <= v && v < _n); return _g[v]; } std::vector& operator[](int v) { assert(0 <= v && v < _n); return _g[v]; } const std::vector>& adjacency() const { return _g; } std::vector>& adjacency() { return _g; } std::vector edges(bool include_inactive = false) const { std::vector result; result.reserve(_edge_count); std::vector used(_edge_count, false); for (int v = 0; v < _n; v++) { for (const auto& e : _g[v]) { if (!include_inactive && !e.alive) continue; if (0 <= e.id && e.id < _edge_count) { if (used[e.id]) continue; used[e.id] = true; } result.push_back(e); } } return result; } Graph reversed() const { Graph result(_n); result._edge_count = _edge_count; result._edge_positions.assign(_edge_count, {}); for (int v = 0; v < _n; v++) { for (const auto& e : _g[v]) { int idx = int(result._g[e.to].size()); result._g[e.to].push_back(edge_type(e.to, e.from, e.cost, e.id, e.alive)); if (0 <= e.id && e.id < _edge_count) result._edge_positions[e.id].push_back({e.to, idx}); } } return result; } }; } // namespace graph } // namespace m1une // END: graph.hpp #line 11 "graph::dijkstra.hpp" namespace m1une { namespace graph { template struct DijkstraResult { std::vector dist; std::vector reached; std::vector parent; std::vector parent_edge; T inf = T(); bool reachable(int v) const { assert(0 <= v && v < int(dist.size())); return reached[v]; } std::vector path(int t) const { assert(reachable(t)); std::vector result; for (int v = t; v != -1; v = parent[v]) result.push_back(v); std::reverse(result.begin(), result.end()); return result; } }; namespace internal { template struct DijkstraQueueNode { T dist; int vertex; }; template struct DijkstraQueueCompare { bool operator()(const DijkstraQueueNode& first, const DijkstraQueueNode& second) const { return second.dist < first.dist; } }; } // namespace internal template DijkstraResult dijkstra(const Graph& g, const std::vector& sources) { int n = g.size(); DijkstraResult result; result.dist.resize(n); result.reached.assign(n, false); result.parent.assign(n, -1); result.parent_edge.assign(n, -1); using Node = internal::DijkstraQueueNode; using Compare = internal::DijkstraQueueCompare; std::priority_queue, Compare> que; for (int s : sources) { assert(0 <= s && s < n); if (result.reached[s]) continue; result.reached[s] = true; result.dist[s] = T(); que.push(Node{T(), s}); } while (!que.empty()) { Node current = que.top(); que.pop(); if (result.dist[current.vertex] < current.dist) continue; for (const auto& e : g[current.vertex]) { if (!e.alive) continue; T nd = current.dist + e.cost; if (result.reached[e.to] && !(nd < result.dist[e.to])) continue; result.reached[e.to] = true; result.dist[e.to] = nd; result.parent[e.to] = current.vertex; result.parent_edge[e.to] = e.id; que.push(Node{std::move(nd), e.to}); } } return result; } template DijkstraResult dijkstra(const Graph& g, int s) { return dijkstra(g, std::vector{s}); } // Compatibility overload: unreachable distances are replaced by inf after the // search. Reachability itself never depends on this sentinel. template DijkstraResult dijkstra(const Graph& g, const std::vector& sources, const T& inf) { DijkstraResult result = dijkstra(g, sources); result.inf = inf; for (int v = 0; v < int(result.dist.size()); v++) { if (!result.reachable(v)) result.dist[v] = inf; } return result; } template DijkstraResult dijkstra(const Graph& g, int s, const T& inf) { return dijkstra(g, std::vector{s}, inf); } } // namespace graph } // namespace m1une // END: graph/dijkstra.hpp #line 3 "..::sakumon::gosayurusanai::main.cpp" // BEGIN: utilities/int512.hpp #line 3 "utilities::int512.hpp" #include #include // BEGIN: detail/fixed_int.hpp #line 3 "detail::fixed_int.hpp" #include #include #include #include #include #include #include #include #include #include #include #include namespace m1une { namespace utilities { namespace detail { // A signed two's-complement integer whose arithmetic wraps modulo 2^Bits. // Public aliases select contest-friendly fixed widths in int*.hpp. template class FixedInt { static_assert(Bits >= 64); static_assert(Bits % 64 == 0); private: static constexpr std::size_t limb_count = Bits / 64; using LimbArray = std::array; public: static constexpr std::size_t bit_width = Bits; constexpr FixedInt() = default; template constexpr FixedInt(Integer value) { static_assert(sizeof(Integer) <= sizeof(std::uint64_t)); if constexpr (std::signed_integral) { const std::uint64_t extension = value < 0 ? ~std::uint64_t(0) : std::uint64_t(0); limbs_.fill(extension); limbs_[0] = static_cast( static_cast(value) ); } else { limbs_[0] = static_cast(value); } } explicit FixedInt(std::string_view text) { read(text); } FixedInt& operator=(std::string_view text) { read(text); return *this; } void read(std::string_view text) { if (text.empty()) { throw std::invalid_argument("empty fixed-width integer"); } const bool negative = text.front() == '-'; std::size_t position = (text.front() == '-' || text.front() == '+') ? 1 : 0; if (position == text.size()) { throw std::invalid_argument("invalid fixed-width integer"); } FixedInt result; for (; position < text.size(); ++position) { const char digit = text[position]; if (digit < '0' || digit > '9') { throw std::invalid_argument("invalid fixed-width integer"); } result.multiply_unsigned_small(10); result += FixedInt(static_cast(digit - '0')); } *this = negative ? -result : result; } constexpr bool is_zero() const { for (const std::uint64_t limb : limbs_) { if (limb != 0) return false; } return true; } constexpr bool is_negative() const { return (limbs_.back() >> 63) != 0; } constexpr int sign() const { if (is_zero()) return 0; return is_negative() ? -1 : 1; } constexpr FixedInt operator+() const { return *this; } constexpr FixedInt operator-() const { FixedInt result; result.limbs_ = limbs_; negate_unsigned(result.limbs_); return result; } constexpr FixedInt& operator+=(const FixedInt& other) { __uint128_t carry = 0; for (std::size_t index = 0; index < limb_count; ++index) { const __uint128_t current = __uint128_t(limbs_[index]) + other.limbs_[index] + carry; limbs_[index] = static_cast(current); carry = current >> 64; } return *this; } constexpr FixedInt& operator-=(const FixedInt& other) { return *this += -other; } constexpr FixedInt& operator*=(const FixedInt& other) { LimbArray product{}; for (std::size_t first = 0; first < limb_count; ++first) { __uint128_t carry = 0; for ( std::size_t second = 0; first + second < limb_count; ++second ) { const std::size_t position = first + second; const __uint128_t current = __uint128_t(limbs_[first]) * other.limbs_[second] + product[position] + carry; product[position] = static_cast(current); carry = current >> 64; } } limbs_ = product; return *this; } constexpr FixedInt& multiply_small(std::uint64_t value) { multiply_unsigned_small(value); return *this; } constexpr FixedInt& operator/=(const FixedInt& other) { return *this = divmod(*this, other).first; } constexpr FixedInt& operator%=(const FixedInt& other) { return *this = divmod(*this, other).second; } std::string to_string() const { if (is_zero()) return "0"; const bool negative = is_negative(); LimbArray magnitude = unsigned_magnitude(); std::string result; while (!magnitude_is_zero(magnitude)) { const unsigned digit = divide_unsigned_by_ten(magnitude); result.push_back(static_cast('0' + digit)); } if (negative) result.push_back('-'); std::reverse(result.begin(), result.end()); return result; } friend constexpr std::pair divmod( const FixedInt& dividend, const FixedInt& divisor ) { if (divisor.is_zero()) { throw std::domain_error("fixed-width integer division by zero"); } const bool quotient_negative = dividend.is_negative() != divisor.is_negative(); const bool remainder_negative = dividend.is_negative(); auto [quotient_limbs, remainder_limbs] = divide_unsigned( dividend.unsigned_magnitude(), divisor.unsigned_magnitude() ); FixedInt quotient; FixedInt remainder; quotient.limbs_ = quotient_limbs; remainder.limbs_ = remainder_limbs; if (quotient_negative) quotient = -quotient; if (remainder_negative) remainder = -remainder; return std::make_pair(quotient, remainder); } friend constexpr std::pair divmod_small( const FixedInt& dividend, std::uint32_t divisor ) { if (divisor == 0) { throw std::domain_error("fixed-width integer division by zero"); } LimbArray quotient_limbs = dividend.unsigned_magnitude(); const std::uint64_t unsigned_remainder = divide_unsigned_by_small(quotient_limbs, divisor); FixedInt quotient; quotient.limbs_ = quotient_limbs; if (dividend.is_negative()) quotient = -quotient; const std::int64_t remainder = dividend.is_negative() ? -std::int64_t(unsigned_remainder) : std::int64_t(unsigned_remainder); return std::make_pair(quotient, remainder); } friend constexpr FixedInt operator+( FixedInt first, const FixedInt& second ) { return first += second; } friend constexpr FixedInt operator-( FixedInt first, const FixedInt& second ) { return first -= second; } friend constexpr FixedInt operator*( FixedInt first, const FixedInt& second ) { return first *= second; } friend constexpr FixedInt operator/( FixedInt first, const FixedInt& second ) { return first /= second; } friend constexpr FixedInt operator%( FixedInt first, const FixedInt& second ) { return first %= second; } friend constexpr bool operator==( const FixedInt& first, const FixedInt& second ) = default; friend constexpr bool operator<( const FixedInt& first, const FixedInt& second ) { const bool first_negative = first.is_negative(); const bool second_negative = second.is_negative(); if (first_negative != second_negative) return first_negative; return compare_unsigned(first.limbs_, second.limbs_) < 0; } friend constexpr bool operator!=( const FixedInt& first, const FixedInt& second ) { return !(first == second); } friend constexpr bool operator>( const FixedInt& first, const FixedInt& second ) { return second < first; } friend constexpr bool operator<=( const FixedInt& first, const FixedInt& second ) { return !(second < first); } friend constexpr bool operator>=( const FixedInt& first, const FixedInt& second ) { return !(first < second); } friend std::ostream& operator<<( std::ostream& output, const FixedInt& value ) { return output << value.to_string(); } friend std::istream& operator>>( std::istream& input, FixedInt& value ) { std::string text; if (input >> text) value.read(text); return input; } private: LimbArray limbs_{}; constexpr LimbArray unsigned_magnitude() const { LimbArray result = limbs_; if (is_negative()) negate_unsigned(result); return result; } constexpr void multiply_unsigned_small(std::uint64_t value) { __uint128_t carry = 0; for (std::size_t index = 0; index < limb_count; ++index) { const __uint128_t current = __uint128_t(limbs_[index]) * value + carry; limbs_[index] = static_cast(current); carry = current >> 64; } } static constexpr void negate_unsigned(LimbArray& value) { for (std::uint64_t& limb : value) limb = ~limb; for (std::size_t index = 0; index < limb_count; ++index) { if (++value[index] != 0) break; } } static constexpr int compare_unsigned( const LimbArray& first, const LimbArray& second ) { for (std::size_t offset = 0; offset < limb_count; ++offset) { const std::size_t index = limb_count - 1 - offset; if (first[index] != second[index]) { return first[index] < second[index] ? -1 : 1; } } return 0; } static constexpr void subtract_unsigned( LimbArray& first, const LimbArray& second ) { std::uint64_t borrow = 0; for (std::size_t index = 0; index < limb_count; ++index) { const std::uint64_t previous = first[index]; first[index] -= second[index] + borrow; const bool addition_overflow = borrow != 0 && second[index] == ~std::uint64_t(0); borrow = addition_overflow || previous < second[index] + borrow; } } static constexpr void shift_left_one(LimbArray& value) { std::uint64_t carry = 0; for (std::size_t index = 0; index < limb_count; ++index) { const std::uint64_t next_carry = value[index] >> 63; value[index] = (value[index] << 1) | carry; carry = next_carry; } } static constexpr std::pair divide_unsigned( const LimbArray& dividend, const LimbArray& divisor ) { LimbArray quotient{}; LimbArray remainder{}; for (std::size_t offset = 0; offset < Bits; ++offset) { const std::size_t bit = Bits - 1 - offset; shift_left_one(remainder); remainder[0] |= (dividend[bit / 64] >> (bit % 64)) & std::uint64_t(1); if (compare_unsigned(remainder, divisor) >= 0) { subtract_unsigned(remainder, divisor); quotient[bit / 64] |= std::uint64_t(1) << (bit % 64); } } return std::make_pair(quotient, remainder); } static bool magnitude_is_zero(const LimbArray& value) { for (const std::uint64_t limb : value) { if (limb != 0) return false; } return true; } static constexpr std::uint64_t divide_unsigned_by_small( LimbArray& value, std::uint64_t divisor ) { __uint128_t remainder = 0; for (std::size_t offset = 0; offset < limb_count; ++offset) { const std::size_t index = limb_count - 1 - offset; const __uint128_t current = (remainder << 64) | value[index]; value[index] = static_cast(current / divisor); remainder = current % divisor; } return static_cast(remainder); } static unsigned divide_unsigned_by_ten(LimbArray& value) { return static_cast(divide_unsigned_by_small(value, 10)); } }; } // namespace detail } // namespace utilities } // namespace m1une // END: detail/fixed_int.hpp #line 8 "utilities::int512.hpp" namespace m1une { namespace utilities { using Int512 = detail::FixedInt<512>; using i512 = Int512; inline Int512 parse_int512(std::string_view text) { return Int512(text); } inline std::string to_string(const Int512& value) { return value.to_string(); } } // namespace utilities } // namespace m1une // END: utilities/int512.hpp #line 4 "..::sakumon::gosayurusanai::main.cpp" auto& fastin = m1une::template_io::input(); auto& fastout = m1une::template_io::output(); using Int512 = m1une::utilities::Int512; std::vector> prime_powers() { std::vector> result; std::array composite{}; for (int p = 2; p <= 300; ++p) { if (composite[p]) continue; for (int multiple = p + p; multiple <= 300; multiple += p) { composite[multiple] = true; } int exponent = 0; int power = 1; while (power <= 300 / p) { power *= p; ++exponent; } result.emplace_back(p, exponent); } return result; } void solve() { const std::vector> factors = prime_powers(); Int512 common_denominator = 1; for (auto [prime, exponent] : factors) { for (int i = 0; i < exponent; ++i) { common_denominator.multiply_small(prime); } } std::array scale; for (int denominator = 1; denominator <= 300; ++denominator) { auto [quotient, remainder] = divmod_small(common_denominator, denominator); assert(remainder == 0); scale[denominator] = quotient; } int N, M; scan(N, M); m1une::graph::Graph graph(N); while (M--) { int u, v, a, b; scan(u, v, a, b); --u; --v; Int512 cost = scale[b]; cost.multiply_small(a); graph.add_edge(u, v, cost); } const auto shortest = m1une::graph::dijkstra(graph, 0); for (int v = 1; v < N; ++v) { Int512 numerator = shortest.dist[v]; Int512 denominator = 1; for (auto [prime, exponent] : factors) { int removed = 0; while (removed < exponent) { auto [quotient, remainder] = divmod_small(numerator, prime); if (remainder != 0) break; numerator = quotient; ++removed; } for (int i = removed; i < exponent; ++i) { denominator.multiply_small(prime); } } print(numerator.to_string(), denominator.to_string()); } } int main() { int T = 1; while (T--) solve(); return 0; } // END: ../sakumon/gosayurusanai/main.cpp