結果
問題 | No.2318 Phys Bone Maker |
ユーザー | maspy |
提出日時 | 2023-05-26 21:46:27 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,293 ms / 3,000 ms |
コード長 | 25,510 bytes |
コンパイル時間 | 4,528 ms |
コンパイル使用メモリ | 295,992 KB |
実行使用メモリ | 16,000 KB |
最終ジャッジ日時 | 2024-06-07 06:21:03 |
合計ジャッジ時間 | 14,494 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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 1,293 ms
15,872 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 3 ms
5,376 KB |
testcase_06 | AC | 3 ms
5,376 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 3 ms
5,376 KB |
testcase_09 | AC | 3 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,376 KB |
testcase_13 | AC | 6 ms
5,376 KB |
testcase_14 | AC | 3 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 3 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
testcase_24 | AC | 3 ms
5,376 KB |
testcase_25 | AC | 3 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 3 ms
5,376 KB |
testcase_28 | AC | 3 ms
5,376 KB |
testcase_29 | AC | 3 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 3 ms
5,376 KB |
testcase_34 | AC | 3 ms
5,376 KB |
testcase_35 | AC | 108 ms
12,544 KB |
testcase_36 | AC | 504 ms
15,232 KB |
testcase_37 | AC | 560 ms
15,104 KB |
testcase_38 | AC | 627 ms
15,360 KB |
testcase_39 | AC | 782 ms
15,616 KB |
testcase_40 | AC | 875 ms
15,872 KB |
testcase_41 | AC | 937 ms
15,744 KB |
testcase_42 | AC | 1,046 ms
16,000 KB |
testcase_43 | AC | 9 ms
5,376 KB |
testcase_44 | AC | 299 ms
12,544 KB |
testcase_45 | AC | 269 ms
12,032 KB |
testcase_46 | AC | 1,236 ms
15,744 KB |
testcase_47 | AC | 2 ms
5,376 KB |
ソースコード
#line 1 "/home/maspy/compro/library/my_template.hpp" #if defined(LOCAL) #include <my_template_compiled.hpp> #else #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; using ll = long long; using u32 = unsigned int; using u64 = unsigned long long; using i128 = __int128; template <class T> constexpr T infty = 0; template <> constexpr int infty<int> = 1'000'000'000; template <> constexpr ll infty<ll> = ll(infty<int>) * infty<int> * 2; template <> constexpr u32 infty<u32> = infty<int>; template <> constexpr u64 infty<u64> = infty<ll>; template <> constexpr i128 infty<i128> = i128(infty<ll>) * infty<ll>; template <> constexpr double infty<double> = infty<ll>; template <> constexpr long double infty<long double> = infty<ll>; using pi = pair<ll, ll>; using vi = vector<ll>; template <class T> using vc = vector<T>; template <class T> using vvc = vector<vc<T>>; template <class T> using vvvc = vector<vvc<T>>; template <class T> using vvvvc = vector<vvvc<T>>; template <class T> using vvvvvc = vector<vvvvc<T>>; template <class T> using pq = priority_queue<T>; template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>; #define vv(type, name, h, ...) \ vector<vector<type>> name(h, vector<type>(__VA_ARGS__)) #define vvv(type, name, h, w, ...) \ vector<vector<vector<type>>> name( \ h, vector<vector<type>>(w, vector<type>(__VA_ARGS__))) #define vvvv(type, name, a, b, c, ...) \ vector<vector<vector<vector<type>>>> name( \ a, vector<vector<vector<type>>>( \ b, vector<vector<type>>(c, vector<type>(__VA_ARGS__)))) // https://trap.jp/post/1224/ #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 >= ll(0); --i) #define FOR2_R(i, a) for (ll i = (a)-1; i >= ll(0); --i) #define FOR3_R(i, a, b) for (ll i = (b)-1; i >= ll(a); --i) #define overload4(a, b, c, d, e, ...) e #define overload3(a, b, c, d, ...) d #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 FOR_subset(t, s) \ for (ll t = (s); t >= 0; t = (t == 0 ? -1 : (t - 1) & (s))) #define all(x) x.begin(), x.end() #define len(x) ll(x.size()) #define elif else if #define eb emplace_back #define mp make_pair #define mt make_tuple #define fi first #define se second #define stoi stoll 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); } // (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 <typename T, typename U> T ceil(T x, U y) { return (x > 0 ? (x + y - 1) / y : x / y); } template <typename T, typename U> T floor(T x, U y) { return (x > 0 ? x / y : (x - y + 1) / y); } template <typename T, typename U> pair<T, T> divmod(T x, U y) { T q = floor(x, y); return {q, x - q * y}; } template <typename T, typename U> T SUM(const vector<U> &A) { T sum = 0; for (auto &&a: A) sum += a; return sum; } #define MIN(v) *min_element(all(v)) #define MAX(v) *max_element(all(v)) #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 <typename T> T POP(deque<T> &que) { T a = que.front(); que.pop_front(); return a; } template <typename T> T POP(pq<T> &que) { T a = que.top(); que.pop(); return a; } template <typename T> T POP(pqg<T> &que) { assert(!que.empty()); T a = que.top(); que.pop(); return a; } template <typename T> T POP(vc<T> &que) { assert(!que.empty()); T a = que.back(); que.pop_back(); return a; } template <typename F> ll binary_search(F check, ll ok, ll ng, bool check_ok = true) { if (check_ok) assert(check(ok)); while (abs(ok - ng) > 1) { auto x = (ng + ok) / 2; tie(ok, ng) = (check(x) ? mp(x, ng) : mp(ok, x)); } return ok; } template <typename F> double binary_search_real(F check, double ok, double ng, int iter = 100) { FOR(iter) { double x = (ok + ng) / 2; tie(ok, ng) = (check(x) ? mp(x, ng) : mp(ok, x)); } return (ok + ng) / 2; } template <class T, class S> inline bool chmax(T &a, const S &b) { return (a < b ? a = b, 1 : 0); } template <class T, class S> inline bool chmin(T &a, const S &b) { return (a > b ? a = b, 1 : 0); } // ? は -1 vc<int> s_to_vi(const string &S, char first_char) { vc<int> A(S.size()); FOR(i, S.size()) { A[i] = (S[i] != '?' ? S[i] - first_char : -1); } return A; } template <typename T, typename U> vector<T> cumsum(vector<U> &A, int off = 1) { int N = A.size(); vector<T> B(N + 1); FOR(i, N) { B[i + 1] = B[i] + A[i]; } if (off == 0) B.erase(B.begin()); return B; } // stable sort template <typename T> vector<int> argsort(const vector<T> &A) { vector<int> ids(len(A)); 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 <typename T> vc<T> rearrange(const vc<T> &A, const vc<int> &I) { vc<T> B(len(I)); FOR(i, len(I)) B[i] = A[I[i]]; return B; } #endif #line 1 "/home/maspy/compro/library/other/io.hpp" // based on yosupo's fastio #include <unistd.h> namespace fastio { #define FASTIO // クラスが read(), print() を持っているかを判定するメタ関数 struct has_write_impl { template <class T> static auto check(T &&x) -> decltype(x.write(), std::true_type{}); template <class T> static auto check(...) -> std::false_type; }; template <class T> class has_write : public decltype(has_write_impl::check<T>(std::declval<T>())) { }; struct has_read_impl { template <class T> static auto check(T &&x) -> decltype(x.read(), std::true_type{}); template <class T> static auto check(...) -> std::false_type; }; template <class T> class has_read : public decltype(has_read_impl::check<T>(std::declval<T>())) {}; struct Scanner { FILE *fp; char line[(1 << 15) + 1]; size_t st = 0, ed = 0; void reread() { memmove(line, line + st, ed - st); ed -= st; st = 0; ed += fread(line + ed, 1, (1 << 15) - ed, fp); line[ed] = '\0'; } bool succ() { while (true) { if (st == ed) { reread(); if (st == ed) return false; } while (st != ed && isspace(line[st])) st++; if (st != ed) break; } if (ed - st <= 50) { bool sep = false; for (size_t i = st; i < ed; i++) { if (isspace(line[i])) { sep = true; break; } } if (!sep) reread(); } return true; } template <class T, enable_if_t<is_same<T, string>::value, int> = 0> bool read_single(T &ref) { if (!succ()) return false; while (true) { size_t sz = 0; while (st + sz < ed && !isspace(line[st + sz])) sz++; ref.append(line + st, sz); st += sz; if (!sz || st != ed) break; reread(); } return true; } template <class T, enable_if_t<is_integral<T>::value, int> = 0> bool read_single(T &ref) { if (!succ()) return false; bool neg = false; if (line[st] == '-') { neg = true; st++; } ref = T(0); while (isdigit(line[st])) { ref = 10 * ref + (line[st++] & 0xf); } if (neg) ref = -ref; return true; } template <typename T, typename enable_if<has_read<T>::value>::type * = nullptr> inline bool read_single(T &x) { x.read(); return true; } bool read_single(double &ref) { string s; if (!read_single(s)) return false; ref = std::stod(s); return true; } bool read_single(char &ref) { string s; if (!read_single(s) || s.size() != 1) return false; ref = s[0]; return true; } template <class T> bool read_single(vector<T> &ref) { for (auto &d: ref) { if (!read_single(d)) return false; } return true; } template <class T, class U> bool read_single(pair<T, U> &p) { return (read_single(p.first) && read_single(p.second)); } template <size_t N = 0, typename T> void read_single_tuple(T &t) { if constexpr (N < std::tuple_size<T>::value) { auto &x = std::get<N>(t); read_single(x); read_single_tuple<N + 1>(t); } } template <class... T> bool read_single(tuple<T...> &tpl) { read_single_tuple(tpl); return true; } void read() {} template <class H, class... T> void read(H &h, T &... t) { bool f = read_single(h); assert(f); read(t...); } Scanner(FILE *fp) : fp(fp) {} }; struct Printer { Printer(FILE *_fp) : fp(_fp) {} ~Printer() { flush(); } static constexpr size_t SIZE = 1 << 15; FILE *fp; char line[SIZE], small[50]; size_t pos = 0; void flush() { fwrite(line, 1, pos, fp); pos = 0; } void write(const char val) { if (pos == SIZE) flush(); line[pos++] = val; } template <class T, enable_if_t<is_integral<T>::value, int> = 0> void write(T val) { if (pos > (1 << 15) - 50) flush(); if (val == 0) { write('0'); return; } if (val < 0) { write('-'); val = -val; // todo min } size_t len = 0; while (val) { small[len++] = char(0x30 | (val % 10)); val /= 10; } for (size_t i = 0; i < len; i++) { line[pos + i] = small[len - 1 - i]; } pos += len; } void write(const string s) { for (char c: s) write(c); } void write(const char *s) { size_t len = strlen(s); for (size_t i = 0; i < len; i++) write(s[i]); } void write(const double x) { ostringstream oss; oss << fixed << setprecision(15) << x; string s = oss.str(); write(s); } void write(const long double x) { ostringstream oss; oss << fixed << setprecision(15) << x; string s = oss.str(); write(s); } template <typename T, typename enable_if<has_write<T>::value>::type * = nullptr> inline void write(T x) { x.write(); } template <class T> void write(const vector<T> val) { auto n = val.size(); for (size_t i = 0; i < n; i++) { if (i) write(' '); write(val[i]); } } template <class T, class U> void write(const pair<T, U> val) { write(val.first); write(' '); write(val.second); } template <size_t N = 0, typename T> void write_tuple(const T t) { if constexpr (N < std::tuple_size<T>::value) { if constexpr (N > 0) { write(' '); } const auto x = std::get<N>(t); write(x); write_tuple<N + 1>(t); } } template <class... T> bool write(tuple<T...> tpl) { write_tuple(tpl); return true; } template <class T, size_t S> void write(const array<T, S> val) { auto n = val.size(); for (size_t i = 0; i < n; i++) { if (i) write(' '); write(val[i]); } } void write(i128 val) { string s; bool negative = 0; if (val < 0) { negative = 1; val = -val; } while (val) { s += '0' + int(val % 10); val /= 10; } if (negative) s += "-"; reverse(all(s)); if (len(s) == 0) s = "0"; write(s); } }; Scanner scanner = Scanner(stdin); Printer printer = Printer(stdout); void flush() { printer.flush(); } void print() { printer.write('\n'); } template <class Head, class... Tail> void print(Head &&head, Tail &&... tail) { printer.write(head); if (sizeof...(Tail)) printer.write(' '); print(forward<Tail>(tail)...); } void read() {} template <class Head, class... Tail> void read(Head &head, Tail &... tail) { scanner.read(head); read(tail...); } } // namespace fastio using fastio::print; using fastio::flush; using fastio::read; #define INT(...) \ int __VA_ARGS__; \ read(__VA_ARGS__) #define LL(...) \ ll __VA_ARGS__; \ read(__VA_ARGS__) #define STR(...) \ string __VA_ARGS__; \ read(__VA_ARGS__) #define CHAR(...) \ char __VA_ARGS__; \ read(__VA_ARGS__) #define DBL(...) \ double __VA_ARGS__; \ read(__VA_ARGS__) #define VEC(type, name, size) \ vector<type> name(size); \ read(name) #define VV(type, name, h, w) \ vector<vector<type>> name(h, vector<type>(w)); \ read(name) void YES(bool t = 1) { print(t ? "YES" : "NO"); } void NO(bool t = 1) { YES(!t); } void Yes(bool t = 1) { print(t ? "Yes" : "No"); } void No(bool t = 1) { Yes(!t); } void yes(bool t = 1) { print(t ? "yes" : "no"); } void no(bool t = 1) { yes(!t); } #line 3 "main.cpp" #line 2 "/home/maspy/compro/library/nt/primetest.hpp" struct m64 { using i64 = int64_t; using u64 = uint64_t; using u128 = __uint128_t; inline static u64 m, r, n2; // r * m = -1 (mod 1<<64), n2 = 1<<128 (mod m) static void set_mod(u64 m) { assert((m & 1) == 1); m64::m = m; n2 = -u128(m) % m; r = m; FOR(_, 5) r *= 2 - m * r; r = -r; assert(r * m == -1ull); } static u64 reduce(u128 b) { return (b + u128(u64(b) * r) * m) >> 64; } u64 x; m64() : x(0) {} m64(u64 x) : x(reduce(u128(x) * n2)){}; u64 val() const { u64 y = reduce(x); return y >= m ? y - m : y; } m64 &operator+=(m64 y) { x += y.x - (m << 1); x = (i64(x) < 0 ? x + (m << 1) : x); return *this; } m64 &operator-=(m64 y) { x -= y.x; x = (i64(x) < 0 ? x + (m << 1) : x); return *this; } m64 &operator*=(m64 y) { x = reduce(u128(x) * y.x); return *this; } m64 operator+(m64 y) const { return m64(*this) += y; } m64 operator-(m64 y) const { return m64(*this) -= y; } m64 operator*(m64 y) const { return m64(*this) *= y; } bool operator==(m64 y) const { return (x >= m ? x - m : x) == (y.x >= m ? y.x - m : y.x); } bool operator!=(m64 y) const { return not operator==(y); } m64 pow(u64 n) const { m64 y = 1, z = *this; for (; n; n >>= 1, z *= z) if (n & 1) y *= z; return y; } }; bool primetest(const uint64_t x) { using u64 = uint64_t; if (x == 2 or x == 3 or x == 5 or x == 7) return true; if (x % 2 == 0 or x % 3 == 0 or x % 5 == 0 or x % 7 == 0) return false; if (x < 121) return x > 1; const u64 d = (x - 1) >> __builtin_ctzll(x - 1); m64::set_mod(x); const m64 one(1), minus_one(x - 1); auto ok = [&](u64 a) { auto y = m64(a).pow(d); u64 t = d; while (y != one and y != minus_one and t != x - 1) y *= y, t <<= 1; if (y != minus_one and t % 2 == 0) return false; return true; }; if (x < (1ull << 32)) { for (u64 a: {2, 7, 61}) if (not ok(a)) return false; } else { for (u64 a: {2, 325, 9375, 28178, 450775, 9780504, 1795265022}) { if (x <= a) return true; if (not ok(a)) return false; } } return true; } #line 3 "/home/maspy/compro/library/nt/factor.hpp" mt19937_64 rng_mt{random_device{}()}; ll rnd(ll n) { return uniform_int_distribution<ll>(0, n - 1)(rng_mt); } ll rho(ll n, ll c) { m64::set_mod(n); assert(n > 1); const m64 cc(c); auto f = [&](m64 x) { return x * x + cc; }; m64 x = 1, y = 2, z = 1, q = 1; ll g = 1; const ll m = 1LL << (__lg(n) / 5); // ? for (ll r = 1; g == 1; r <<= 1) { x = y; FOR(_, r) y = f(y); for (ll k = 0; k < r and g == 1; k += m) { z = y; FOR(_, min(m, r - k)) y = f(y), q *= x - y; g = gcd(q.val(), n); } } if (g == n) do { z = f(z); g = gcd((x - z).val(), n); } while (g == 1); return g; } ll find_prime_factor(ll n) { assert(n > 1); if (primetest(n)) return n; FOR(_, 100) { ll m = rho(n, rnd(n)); if (primetest(m)) return m; n = m; } cerr << "failed" << endl; assert(false); return -1; } // ソートしてくれる vc<pair<ll, int>> factor(ll n) { assert(n >= 1); vc<pair<ll, int>> pf; FOR3(p, 2, 100) { if (p * p > n) break; if (n % p == 0) { ll e = 0; do { n /= p, e += 1; } while (n % p == 0); pf.eb(p, e); } } while (n > 1) { ll p = find_prime_factor(n); ll e = 0; do { n /= p, e += 1; } while (n % p == 0); pf.eb(p, e); } sort(all(pf)); return pf; } vc<pair<ll, int>> factor_by_lpf(ll n, vc<int>& lpf) { vc<pair<ll, int>> res; while (n > 1) { int p = lpf[n]; int e = 0; while (n % p == 0) { n /= p; ++e; } res.eb(p, e); } return res; } #line 2 "/home/maspy/compro/library/nt/divisors.hpp" // sort はしない vc<ll> divisors_by_pf(const vc<pair<ll, int>>& pf) { vi div = {1}; for (auto&& [p, e]: pf) { ll n = len(div); ll pp = 1; FOR3(i, 1, e + 1) { pp *= p; FOR(j, n) div.eb(div[j] * pp); } } return div; } // sort はしない vc<ll> divisors(ll N) { auto pf = factor(N); return divisors_by_pf(pf); } // sort はしない vc<ll> divisors_by_lpf(ll N, vc<int>& lpf) { auto pf = factor_by_lpf(N, lpf); return divisors_by_pf(pf); } #line 6 "main.cpp" #line 2 "/home/maspy/compro/library/mod/modint_common.hpp" struct has_mod_impl { template <class T> static auto check(T &&x) -> decltype(x.get_mod(), std::true_type{}); template <class T> static auto check(...) -> std::false_type; }; template <class T> class has_mod : public decltype(has_mod_impl::check<T>(std::declval<T>())) {}; template <typename mint> mint inv(int n) { static const int mod = mint::get_mod(); static vector<mint> dat = {0, 1}; assert(0 <= n); if (n >= mod) n %= mod; while (len(dat) <= n) { int k = len(dat); int q = (mod + k - 1) / k; dat.eb(dat[k * q - mod] * mint(q)); } return dat[n]; } template <typename mint> mint fact(int n) { static const int mod = mint::get_mod(); assert(0 <= n); if (n >= mod) return 0; static vector<mint> dat = {1, 1}; while (len(dat) <= n) dat.eb(dat[len(dat) - 1] * mint(len(dat))); return dat[n]; } template <typename mint> mint fact_inv(int n) { static const int mod = mint::get_mod(); assert(-1 <= n && n < mod); static vector<mint> dat = {1, 1}; if (n == -1) return mint(0); while (len(dat) <= n) dat.eb(dat[len(dat) - 1] * inv<mint>(len(dat))); return dat[n]; } template <class mint, class... Ts> mint fact_invs(Ts... xs) { return (mint(1) * ... * fact_inv<mint>(xs)); } template <typename mint, class Head, class... Tail> mint multinomial(Head &&head, Tail &&... tail) { return fact<mint>(head) * fact_invs<mint>(std::forward<Tail>(tail)...); } template <typename mint> mint C_dense(int n, int k) { static vvc<mint> C; static int H = 0, W = 0; auto calc = [&](int i, int j) -> mint { if (i == 0) return (j == 0 ? mint(1) : mint(0)); return C[i - 1][j] + (j ? C[i - 1][j - 1] : 0); }; if (W <= k) { FOR(i, H) { C[i].resize(k + 1); FOR(j, W, k + 1) { C[i][j] = calc(i, j); } } W = k + 1; } if (H <= n) { C.resize(n + 1); FOR(i, H, n + 1) { C[i].resize(W); FOR(j, W) { C[i][j] = calc(i, j); } } H = n + 1; } return C[n][k]; } template <typename mint, bool large = false, bool dense = false> mint C(ll n, ll k) { assert(n >= 0); if (k < 0 || n < k) return 0; if (dense) return C_dense<mint>(n, k); if (!large) return multinomial<mint>(n, k, n - k); k = min(k, n - k); mint x(1); FOR(i, k) x *= mint(n - i); return x * fact_inv<mint>(k); } template <typename mint, bool large = false> mint C_inv(ll n, ll k) { assert(n >= 0); assert(0 <= k && k <= n); if (!large) return fact_inv<mint>(n) * fact<mint>(k) * fact<mint>(n - k); return mint(1) / C<mint, 1>(n, k); } // [x^d] (1-x) ^ {-n} の計算 template <typename mint, bool large = false, bool dense = false> mint C_negative(ll n, ll d) { assert(n >= 0); if (d < 0) return mint(0); if (n == 0) { return (d == 0 ? mint(1) : mint(0)); } return C<mint, large, dense>(n + d - 1, d); } #line 3 "/home/maspy/compro/library/mod/modint.hpp" template <int mod> struct modint { static_assert(mod < (1 << 30)); int val; constexpr modint(const ll val = 0) noexcept : val(val >= 0 ? val % mod : (mod - (-val) % mod) % mod) {} bool operator<(const modint &other) const { return val < other.val; } // To use std::map modint &operator+=(const modint &p) { if ((val += p.val) >= mod) val -= mod; return *this; } modint &operator-=(const modint &p) { if ((val += mod - p.val) >= mod) val -= mod; return *this; } modint &operator*=(const modint &p) { val = (int)(1LL * val * p.val % mod); return *this; } modint &operator/=(const modint &p) { *this *= p.inverse(); return *this; } modint operator-() const { return modint(-val); } modint operator+(const modint &p) const { return modint(*this) += p; } modint operator-(const modint &p) const { return modint(*this) -= p; } modint operator*(const modint &p) const { return modint(*this) *= p; } modint operator/(const modint &p) const { return modint(*this) /= p; } bool operator==(const modint &p) const { return val == p.val; } bool operator!=(const modint &p) const { return val != p.val; } modint inverse() const { int a = val, b = mod, u = 1, v = 0, t; while (b > 0) { t = a / b; swap(a -= t * b, b), swap(u -= t * v, v); } return modint(u); } modint pow(ll n) const { assert(n >= 0); modint ret(1), mul(val); while (n > 0) { if (n & 1) ret *= mul; mul *= mul; n >>= 1; } return ret; } #ifdef FASTIO void write() { fastio::printer.write(val); } void read() { fastio::scanner.read(val); } #endif static constexpr int get_mod() { return mod; } // (n, r), r は 1 の 2^n 乗根 static constexpr pair<int, int> ntt_info() { if (mod == 167772161) return {25, 17}; if (mod == 469762049) return {26, 30}; if (mod == 754974721) return {24, 362}; if (mod == 880803841) return {23, 211}; if (mod == 998244353) return {23, 31}; if (mod == 1045430273) return {20, 363}; if (mod == 1051721729) return {20, 330}; if (mod == 1053818881) return {20, 2789}; return {-1, -1}; } static constexpr bool can_ntt() { return ntt_info().fi != -1; } }; using modint107 = modint<1000000007>; using modint998 = modint<998244353>; #line 2 "/home/maspy/compro/library/random/base.hpp" u64 RNG_64() { static uint64_t x_ = uint64_t(chrono::duration_cast<chrono::nanoseconds>( chrono::high_resolution_clock::now().time_since_epoch()) .count()) * 10150724397891781847ULL; x_ ^= x_ << 7; return x_ ^= x_ >> 9; } u64 RNG(u64 lim) { return RNG_64() % lim; } ll RNG(ll l, ll r) { return l + RNG_64() % (r - l); } #line 3 "/home/maspy/compro/library/ds/hashmap.hpp" // u64 -> Val template <typename Val, int LOG = 20> struct HashMap { int N; u64* keys; Val* vals; vc<int> IDS; bitset<1 << LOG> used; const int shift; const u64 r = 11995408973635179863ULL; HashMap() : N(1 << LOG), keys(new u64[N]), vals(new Val[N]), shift(64 - __lg(N)) {} int hash(ll x) { static const u64 FIXED_RANDOM = std::chrono::steady_clock::now().time_since_epoch().count(); return (u64(x + FIXED_RANDOM) * r) >> shift; } int index(const u64& key) { int i = 0; for (i = hash(key); used[i] && keys[i] != key; (i += 1) &= (N - 1)) {} return i; } // [] した時点で要素は作られる Val& operator[](const u64& key) { int i = index(key); if (!used[i]) IDS.eb(i), used[i] = 1, keys[i] = key, vals[i] = Val{}; return vals[i]; } Val get(const u64& key, Val default_value) { int i = index(key); if (!used[i]) return default_value; return vals[i]; } bool count(const u64& key) { int i = index(key); return used[i] && keys[i] == key; } void reset() { for (auto&& i: IDS) used[i] = 0; IDS.clear(); } // f(key, val) template <typename F> void enumerate_all(F f) { for (auto&& i: IDS) f(keys[i], vals[i]); } }; #line 9 "main.cpp" using mint = modint998; void solve() { LL(N); auto pf = factor(N); auto divs = divisors(N); sort(all(divs)); ll n = len(divs); HashMap<int> MP; FOR(i, n) MP[divs[i]] = i; vc<mint> dp(n); dp[0] = 1; auto ord = [&](ll p, ll n) -> int { int res = 0; while (n % p == 0) { n /= p, res += 1; } return res; }; FOR(i, n) { ll a = divs[i]; ll m = N / divs[i]; vc<pair<ll, int>> pfm; for (auto&& [p, e]: pf) { pfm.eb(p, ord(p, m)); } auto D = divisors_by_pf(pfm); for (auto&& d: D) { if (d == 1) continue; ll b = a * d; mint cf = 1; for (auto&& [p, e]: pf) { int xa = ord(p, a); int xb = ord(p, b); if (xa < xb) continue; cf *= mint(xa + 1); } dp[MP[b]] += dp[i] * cf; } } print(dp.back()); } signed main() { int T = 1; // INT(T); FOR(T) solve(); return 0; }