結果
問題 | No.2131 Concon Substrings (COuNt Version) |
ユーザー | suisen |
提出日時 | 2022-11-26 00:02:35 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
CE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 32,426 bytes |
コンパイル時間 | 3,052 ms |
コンパイル使用メモリ | 300,436 KB |
最終ジャッジ日時 | 2024-11-15 02:48:28 |
合計ジャッジ時間 | 3,401 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
main.cpp: In instantiation of 'void print(const Head&, const Tail& ...) [with Head = atcoder::static_modint<998244353>; Tail = {}]': main.cpp:1046:10: required from here main.cpp:214:15: error: no match for 'operator<<' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'const atcoder::static_modint<998244353>') 214 | std::cout << head; | ~~~~~~~~~~^~~~~~~ In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/istream:39, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/sstream:38, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/complex:45, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ccomplex:39, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:108:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(__ostream_type& (*)(__ostream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]' 108 | operator<<(__ostream_type& (*__pf)(__ostream_type&)) | ^~~~~~~~ /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:108:36: note: no known conversion for argument 1 from 'const atcoder::static_modint<998244353>' to 'std::basic_ostream<char>::__ostream_type& (*)(std::basic_ostream<char>::__ostream_type&)' {aka 'std::basic_ostream<char>& (*)(std::basic_ostream<char>&)'} 108 | operator<<(__ostream_type& (*__pf)(__ostream_type&)) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:117:7: note: candidate: 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_Cha
ソースコード
#include <bits/stdc++.h>#ifdef _MSC_VER# include <intrin.h>#else# include <x86intrin.h>#endif#include <limits>#include <type_traits>namespace suisen {// ! utilitytemplate <typename ...Types>using constraints_t = std::enable_if_t<std::conjunction_v<Types...>, std::nullptr_t>;template <bool cond_v, typename Then, typename OrElse>constexpr decltype(auto) constexpr_if(Then&& then, OrElse&& or_else) {if constexpr (cond_v) {return std::forward<Then>(then);} else {return std::forward<OrElse>(or_else);}}// ! functiontemplate <typename ReturnType, typename Callable, typename ...Args>using is_same_as_invoke_result = std::is_same<std::invoke_result_t<Callable, Args...>, ReturnType>;template <typename F, typename T>using is_uni_op = is_same_as_invoke_result<T, F, T>;template <typename F, typename T>using is_bin_op = is_same_as_invoke_result<T, F, T, T>;template <typename Comparator, typename T>using is_comparator = std::is_same<std::invoke_result_t<Comparator, T, T>, bool>;// ! integraltemplate <typename T, typename = constraints_t<std::is_integral<T>>>constexpr int bit_num = std::numeric_limits<std::make_unsigned_t<T>>::digits;template <typename T, unsigned int n>struct is_nbit { static constexpr bool value = bit_num<T> == n; };template <typename T, unsigned int n>static constexpr bool is_nbit_v = is_nbit<T, n>::value;// ?template <typename T>struct safely_multipliable {};template <>struct safely_multipliable<int> { using type = long long; };template <>struct safely_multipliable<long long> { using type = __int128_t; };template <>struct safely_multipliable<unsigned int> { using type = unsigned long long; };template <>struct safely_multipliable<unsigned long int> { using type = __uint128_t; };template <>struct safely_multipliable<unsigned long long> { using type = __uint128_t; };template <>struct safely_multipliable<float> { using type = float; };template <>struct safely_multipliable<double> { using type = double; };template <>struct safely_multipliable<long double> { using type = long double; };template <typename T>using safely_multipliable_t = typename safely_multipliable<T>::type;template <typename T, typename = void>struct rec_value_type {using type = T;};template <typename T>struct rec_value_type<T, std::void_t<typename T::value_type>> {using type = typename rec_value_type<typename T::value_type>::type;};template <typename T>using rec_value_type_t = typename rec_value_type<T>::type;} // namespace suisen// ! type aliasesusing i128 = __int128_t;using u128 = __uint128_t;template <typename T>using pq_greater = std::priority_queue<T, std::vector<T>, std::greater<T>>;// ! macros (internal)#define DETAIL_OVERLOAD2(_1,_2,name,...) name#define DETAIL_OVERLOAD3(_1,_2,_3,name,...) name#define DETAIL_OVERLOAD4(_1,_2,_3,_4,name,...) name#define DETAIL_REP4(i,l,r,s) for(std::remove_reference_t<std::remove_const_t<decltype(r)>>i=(l);i<(r);i+=(s))#define DETAIL_REP3(i,l,r) DETAIL_REP4(i,l,r,1)#define DETAIL_REP2(i,n) DETAIL_REP3(i,0,n)#define DETAIL_REPINF3(i,l,s) for(std::remove_reference_t<std::remove_const_t<decltype(l)>>i=(l);;i+=(s))#define DETAIL_REPINF2(i,l) DETAIL_REPINF3(i,l,1)#define DETAIL_REPINF1(i) DETAIL_REPINF2(i,0)#define DETAIL_RREP4(i,l,r,s) for(std::remove_reference_t<std::remove_const_t<decltype(r)>>i=(l)+fld((r)-(l)-1,s)*(s);i>=(l);i-=(s))#define DETAIL_RREP3(i,l,r) DETAIL_RREP4(i,l,r,1)#define DETAIL_RREP2(i,n) DETAIL_RREP3(i,0,n)#define DETAIL_CAT_I(a, b) a##b#define DETAIL_CAT(a, b) DETAIL_CAT_I(a, b)#define DETAIL_UNIQVAR(tag) DETAIL_CAT(tag, __LINE__)// ! macros#define REP(...) DETAIL_OVERLOAD4(__VA_ARGS__, DETAIL_REP4 , DETAIL_REP3 , DETAIL_REP2 )(__VA_ARGS__)#define RREP(...) DETAIL_OVERLOAD4(__VA_ARGS__, DETAIL_RREP4 , DETAIL_RREP3 , DETAIL_RREP2 )(__VA_ARGS__)#define REPINF(...) DETAIL_OVERLOAD3(__VA_ARGS__, DETAIL_REPINF3, DETAIL_REPINF2, DETAIL_REPINF1)(__VA_ARGS__)#define LOOP(n) for (std::remove_reference_t<std::remove_const_t<decltype(n)>> DETAIL_UNIQVAR(loop_variable) = n; DETAIL_UNIQVAR(loop_variable) -->0;)#define ALL(iterable) std::begin(iterable), std::end(iterable)#define INPUT(type, ...) type __VA_ARGS__; read(__VA_ARGS__)// ! debug#ifdef LOCAL# define debug(...) debug_internal(#__VA_ARGS__, __VA_ARGS__)template <class T, class... Args>void debug_internal(const char* s, T&& first, Args&&... args) {constexpr const char* prefix = "[\033[32mDEBUG\033[m] ";constexpr const char* open_brakets = sizeof...(args) == 0 ? "" : "(";constexpr const char* close_brakets = sizeof...(args) == 0 ? "" : ")";std::cerr << prefix << open_brakets << s << close_brakets << ": " << open_brakets << std::forward<T>(first);((std::cerr << ", " << std::forward<Args>(args)), ...);std::cerr << close_brakets << "\n";}#else# define debug(...) void(0)#endif// ! I/O utilities// __int128_tstd::ostream& operator<<(std::ostream& dest, __int128_t value) {std::ostream::sentry s(dest);if (s) {__uint128_t tmp = value < 0 ? -value : value;char buffer[128];char* d = std::end(buffer);do {--d;*d = "0123456789"[tmp % 10];tmp /= 10;} while (tmp != 0);if (value < 0) {--d;*d = '-';}int len = std::end(buffer) - d;if (dest.rdbuf()->sputn(d, len) != len) {dest.setstate(std::ios_base::badbit);}}return dest;}// __uint128_tstd::ostream& operator<<(std::ostream& dest, __uint128_t value) {std::ostream::sentry s(dest);if (s) {char buffer[128];char* d = std::end(buffer);do {--d;*d = "0123456789"[value % 10];value /= 10;} while (value != 0);int len = std::end(buffer) - d;if (dest.rdbuf()->sputn(d, len) != len) {dest.setstate(std::ios_base::badbit);}}return dest;}// pairtemplate <typename T, typename U>std::ostream& operator<<(std::ostream& out, const std::pair<T, U>& a) {return out << a.first << ' ' << a.second;}// tupletemplate <unsigned int N = 0, typename ...Args>std::ostream& operator<<(std::ostream& out, const std::tuple<Args...>& a) {if constexpr (N >= std::tuple_size_v<std::tuple<Args...>>) return out;else {out << std::get<N>(a);if constexpr (N + 1 < std::tuple_size_v<std::tuple<Args...>>) out << ' ';return operator<<<N + 1>(out, a);}}// vectortemplate <typename T>std::ostream& operator<<(std::ostream& out, const std::vector<T>& a) {for (auto it = a.begin(); it != a.end();) {out << *it;if (++it != a.end()) out << ' ';}return out;}// arraytemplate <typename T, size_t N>std::ostream& operator<<(std::ostream& out, const std::array<T, N>& a) {for (auto it = a.begin(); it != a.end();) {out << *it;if (++it != a.end()) out << ' ';}return out;}inline void print() { std::cout << '\n'; }template <typename Head, typename... Tail>inline void print(const Head& head, const Tail &...tails) {std::cout << head;if (sizeof...(tails)) std::cout << ' ';print(tails...);}template <typename Iterable>auto print_all(const Iterable& v, std::string sep = " ", std::string end = "\n") -> decltype(std::cout << *v.begin(), void()) {for (auto it = v.begin(); it != v.end();) {std::cout << *it;if (++it != v.end()) std::cout << sep;}std::cout << end;}__int128_t stoi128(const std::string& s) {__int128_t ret = 0;for (int i = 0; i < int(s.size()); i++) if ('0' <= s[i] and s[i] <= '9') ret = 10 * ret + s[i] - '0';if (s[0] == '-') ret = -ret;return ret;}__uint128_t stou128(const std::string& s) {__uint128_t ret = 0;for (int i = 0; i < int(s.size()); i++) if ('0' <= s[i] and s[i] <= '9') ret = 10 * ret + s[i] - '0';return ret;}// __int128_tstd::istream& operator>>(std::istream& in, __int128_t& v) {std::string s;in >> s;v = stoi128(s);return in;}// __uint128_tstd::istream& operator>>(std::istream& in, __uint128_t& v) {std::string s;in >> s;v = stou128(s);return in;}// pairtemplate <typename T, typename U>std::istream& operator>>(std::istream& in, std::pair<T, U>& a) {return in >> a.first >> a.second;}// tupletemplate <unsigned int N = 0, typename ...Args>std::istream& operator>>(std::istream& in, std::tuple<Args...>& a) {if constexpr (N >= std::tuple_size_v<std::tuple<Args...>>) return in;else return operator>><N + 1>(in >> std::get<N>(a), a);}// vectortemplate <typename T>std::istream& operator>>(std::istream& in, std::vector<T>& a) {for (auto it = a.begin(); it != a.end(); ++it) in >> *it;return in;}// arraytemplate <typename T, size_t N>std::istream& operator>>(std::istream& in, std::array<T, N>& a) {for (auto it = a.begin(); it != a.end(); ++it) in >> *it;return in;}template <typename ...Args>void read(Args &...args) {(std::cin >> ... >> args);}// ! integral utilities// Returns pow(-1, n)template <typename T> constexpr inline int pow_m1(T n) {return -(n & 1) | 1;}// Returns pow(-1, n)template <> constexpr inline int pow_m1<bool>(bool n) {return -int(n) | 1;}// Returns floor(x / y)template <typename T> constexpr inline T fld(const T x, const T y) {return (x ^ y) >= 0 ? x / y : (x - (y + pow_m1(y >= 0))) / y;}template <typename T> constexpr inline T cld(const T x, const T y) {return (x ^ y) <= 0 ? x / y : (x + (y + pow_m1(y >= 0))) / y;}template <typename T, std::enable_if_t<std::negation_v<suisen::is_nbit<T, 64>>, std::nullptr_t> = nullptr>__attribute__((target("popcnt"))) constexpr inline int popcount(const T x) { return _mm_popcnt_u32(x); }template <typename T, std::enable_if_t<suisen::is_nbit_v<T, 64>, std::nullptr_t> = nullptr>__attribute__((target("popcnt"))) constexpr inline int popcount(const T x) { return _mm_popcnt_u64(x); }template <typename T, std::enable_if_t<std::negation_v<suisen::is_nbit<T, 64>>, std::nullptr_t> = nullptr>constexpr inline int count_lz(const T x) { return x ? __builtin_clz(x) : suisen::bit_num<T>; }template <typename T, std::enable_if_t<suisen::is_nbit_v<T, 64>, std::nullptr_t> = nullptr>constexpr inline int count_lz(const T x) { return x ? __builtin_clzll(x) : suisen::bit_num<T>; }template <typename T, std::enable_if_t<std::negation_v<suisen::is_nbit<T, 64>>, std::nullptr_t> = nullptr>constexpr inline int count_tz(const T x) { return x ? __builtin_ctz(x) : suisen::bit_num<T>; }template <typename T, std::enable_if_t<suisen::is_nbit_v<T, 64>, std::nullptr_t> = nullptr>constexpr inline int count_tz(const T x) { return x ? __builtin_ctzll(x) : suisen::bit_num<T>; }template <typename T> constexpr inline int floor_log2(const T x) { return suisen::bit_num<T> - 1 - count_lz(x); }template <typename T> constexpr inline int ceil_log2(const T x) { return floor_log2(x) + ((x & -x) != x); }template <typename T> constexpr inline int kth_bit(const T x, const unsigned int k) { return (x >> k) & 1; }template <typename T> constexpr inline int parity(const T x) { return popcount(x) & 1; }// ! containertemplate <typename T, typename Comparator>auto priqueue_comp(const Comparator comparator) {return std::priority_queue<T, std::vector<T>, Comparator>(comparator);}template <typename Container>void sort_unique_erase(Container& a) {std::sort(a.begin(), a.end());a.erase(std::unique(a.begin(), a.end()), a.end());}template <typename InputIterator, typename BiConsumer>auto foreach_adjacent_values(InputIterator first, InputIterator last, BiConsumer f) -> decltype(f(*first++, *last), void()) {if (first != last) for (auto itr = first, itl = itr++; itr != last; itl = itr++) f(*itl, *itr);}template <typename Container, typename BiConsumer>auto foreach_adjacent_values(Container &&c, BiConsumer f) -> decltype(c.begin(), c.end(), void()) {foreach_adjacent_values(c.begin(), c.end(), f);}// ! other utilities// x <- min(x, y). returns true iff `x` has chenged.template <typename T>inline bool chmin(T& x, const T& y) {return y >= x ? false : (x = y, true);}// x <- max(x, y). returns true iff `x` has chenged.template <typename T>inline bool chmax(T& x, const T& y) {return y <= x ? false : (x = y, true);}template <typename T, std::enable_if_t<std::is_integral_v<T>, std::nullptr_t> = nullptr>std::string bin(T val, int bit_num = -1) {std::string res;if (bit_num != -1) {for (int bit = bit_num; bit-- > 0;) res += '0' + ((val >> bit) & 1);} else {for (; val; val >>= 1) res += '0' + (val & 1);std::reverse(res.begin(), res.end());}return res;}template <typename T, std::enable_if_t<std::is_integral_v<T>, std::nullptr_t> = nullptr>std::vector<T> digits_low_to_high(T val, T base = 10) {std::vector<T> res;for (; val; val /= base) res.push_back(val % base);if (res.empty()) res.push_back(T{ 0 });return res;}template <typename T, std::enable_if_t<std::is_integral_v<T>, std::nullptr_t> = nullptr>std::vector<T> digits_high_to_low(T val, T base = 10) {auto res = digits_low_to_high(val, base);std::reverse(res.begin(), res.end());return res;}template <typename T>std::string join(const std::vector<T>& v, const std::string& sep, const std::string& end) {std::ostringstream ss;for (auto it = v.begin(); it != v.end();) {ss << *it;if (++it != v.end()) ss << sep;}ss << end;return ss.str();}namespace suisen {}using namespace suisen;using namespace std;struct io_setup {io_setup(int precision = 20) {std::ios::sync_with_stdio(false);std::cin.tie(nullptr);std::cout << std::fixed << std::setprecision(precision);}} io_setup_ {};// ! code from here#include <cassert>#include <numeric>#ifdef _MSC_VER#include <intrin.h>#endif#include <utility>#ifdef _MSC_VER#endifnamespace atcoder {namespace internal {// @param m `1 <= m`// @return x mod mconstexpr long long safe_mod(long long x, long long m) {x %= m;if (x < 0) x += m;return x;}// Fast modular multiplication by barrett reduction// Reference: https://en.wikipedia.org/wiki/Barrett_reduction// NOTE: reconsider after Ice Lakestruct barrett {unsigned int _m;unsigned long long im;// @param m `1 <= m < 2^31`explicit barrett(unsigned int m) : _m(m), im((unsigned long long)(-1) / m + 1) {}// @return munsigned int umod() const { return _m; }// @param a `0 <= a < m`// @param b `0 <= b < m`// @return `a * b % m`unsigned int mul(unsigned int a, unsigned int b) const {// [1] m = 1// a = b = im = 0, so okay// [2] m >= 2// im = ceil(2^64 / m)// -> im * m = 2^64 + r (0 <= r < m)// let z = a*b = c*m + d (0 <= c, d < m)// a*b * im = (c*m + d) * im = c*(im*m) + d*im = c*2^64 + c*r + d*im// c*r + d*im < m * m + m * im < m * m + 2^64 + m <= 2^64 + m * (m + 1) < 2^64 * 2// ((ab * im) >> 64) == c or c + 1unsigned long long z = a;z *= b;#ifdef _MSC_VERunsigned long long x;_umul128(z, im, &x);#elseunsigned long long x =(unsigned long long)(((unsigned __int128)(z)*im) >> 64);#endifunsigned int v = (unsigned int)(z - x * _m);if (_m <= v) v += _m;return v;}};// @param n `0 <= n`// @param m `1 <= m`// @return `(x ** n) % m`constexpr long long pow_mod_constexpr(long long x, long long n, int m) {if (m == 1) return 0;unsigned int _m = (unsigned int)(m);unsigned long long r = 1;unsigned long long y = safe_mod(x, m);while (n) {if (n & 1) r = (r * y) % _m;y = (y * y) % _m;n >>= 1;}return r;}// Reference:// M. Forisek and J. Jancina,// Fast Primality Testing for Integers That Fit into a Machine Word// @param n `0 <= n`constexpr bool is_prime_constexpr(int n) {if (n <= 1) return false;if (n == 2 || n == 7 || n == 61) return true;if (n % 2 == 0) return false;long long d = n - 1;while (d % 2 == 0) d /= 2;constexpr long long bases[3] = {2, 7, 61};for (long long a : bases) {long long t = d;long long y = pow_mod_constexpr(a, t, n);while (t != n - 1 && y != 1 && y != n - 1) {y = y * y % n;t <<= 1;}if (y != n - 1 && t % 2 == 0) {return false;}}return true;}template <int n> constexpr bool is_prime = is_prime_constexpr(n);// @param b `1 <= b`// @return pair(g, x) s.t. g = gcd(a, b), xa = g (mod b), 0 <= x < b/gconstexpr std::pair<long long, long long> inv_gcd(long long a, long long b) {a = safe_mod(a, b);if (a == 0) return {b, 0};// Contracts:// [1] s - m0 * a = 0 (mod b)// [2] t - m1 * a = 0 (mod b)// [3] s * |m1| + t * |m0| <= blong long s = b, t = a;long long m0 = 0, m1 = 1;while (t) {long long u = s / t;s -= t * u;m0 -= m1 * u; // |m1 * u| <= |m1| * s <= b// [3]:// (s - t * u) * |m1| + t * |m0 - m1 * u|// <= s * |m1| - t * u * |m1| + t * (|m0| + |m1| * u)// = s * |m1| + t * |m0| <= bauto tmp = s;s = t;t = tmp;tmp = m0;m0 = m1;m1 = tmp;}// by [3]: |m0| <= b/g// by g != b: |m0| < b/gif (m0 < 0) m0 += b / s;return {s, m0};}// Compile time primitive root// @param m must be prime// @return primitive root (and minimum in now)constexpr int primitive_root_constexpr(int m) {if (m == 2) return 1;if (m == 167772161) return 3;if (m == 469762049) return 3;if (m == 754974721) return 11;if (m == 998244353) return 3;int divs[20] = {};divs[0] = 2;int cnt = 1;int x = (m - 1) / 2;while (x % 2 == 0) x /= 2;for (int i = 3; (long long)(i)*i <= x; i += 2) {if (x % i == 0) {divs[cnt++] = i;while (x % i == 0) {x /= i;}}}if (x > 1) {divs[cnt++] = x;}for (int g = 2;; g++) {bool ok = true;for (int i = 0; i < cnt; i++) {if (pow_mod_constexpr(g, (m - 1) / divs[i], m) == 1) {ok = false;break;}}if (ok) return g;}}template <int m> constexpr int primitive_root = primitive_root_constexpr(m);// @param n `n < 2^32`// @param m `1 <= m < 2^32`// @return sum_{i=0}^{n-1} floor((ai + b) / m) (mod 2^64)unsigned long long floor_sum_unsigned(unsigned long long n,unsigned long long m,unsigned long long a,unsigned long long b) {unsigned long long ans = 0;while (true) {if (a >= m) {ans += n * (n - 1) / 2 * (a / m);a %= m;}if (b >= m) {ans += n * (b / m);b %= m;}unsigned long long y_max = a * n + b;if (y_max < m) break;// y_max < m * (n + 1)// floor(y_max / m) <= nn = (unsigned long long)(y_max / m);b = (unsigned long long)(y_max % m);std::swap(m, a);}return ans;}} // namespace internal} // namespace atcodernamespace atcoder {namespace internal {#ifndef _MSC_VERtemplate <class T>using is_signed_int128 =typename std::conditional<std::is_same<T, __int128_t>::value ||std::is_same<T, __int128>::value,std::true_type,std::false_type>::type;template <class T>using is_unsigned_int128 =typename std::conditional<std::is_same<T, __uint128_t>::value ||std::is_same<T, unsigned __int128>::value,std::true_type,std::false_type>::type;template <class T>using make_unsigned_int128 =typename std::conditional<std::is_same<T, __int128_t>::value,__uint128_t,unsigned __int128>;template <class T>using is_integral = typename std::conditional<std::is_integral<T>::value ||is_signed_int128<T>::value ||is_unsigned_int128<T>::value,std::true_type,std::false_type>::type;template <class T>using is_signed_int = typename std::conditional<(is_integral<T>::value &&std::is_signed<T>::value) ||is_signed_int128<T>::value,std::true_type,std::false_type>::type;template <class T>using is_unsigned_int =typename std::conditional<(is_integral<T>::value &&std::is_unsigned<T>::value) ||is_unsigned_int128<T>::value,std::true_type,std::false_type>::type;template <class T>using to_unsigned = typename std::conditional<is_signed_int128<T>::value,make_unsigned_int128<T>,typename std::conditional<std::is_signed<T>::value,std::make_unsigned<T>,std::common_type<T>>::type>::type;#elsetemplate <class T> using is_integral = typename std::is_integral<T>;template <class T>using is_signed_int =typename std::conditional<is_integral<T>::value && std::is_signed<T>::value,std::true_type,std::false_type>::type;template <class T>using is_unsigned_int =typename std::conditional<is_integral<T>::value &&std::is_unsigned<T>::value,std::true_type,std::false_type>::type;template <class T>using to_unsigned = typename std::conditional<is_signed_int<T>::value,std::make_unsigned<T>,std::common_type<T>>::type;#endiftemplate <class T>using is_signed_int_t = std::enable_if_t<is_signed_int<T>::value>;template <class T>using is_unsigned_int_t = std::enable_if_t<is_unsigned_int<T>::value>;template <class T> using to_unsigned_t = typename to_unsigned<T>::type;} // namespace internal} // namespace atcodernamespace atcoder {namespace internal {struct modint_base {};struct static_modint_base : modint_base {};template <class T> using is_modint = std::is_base_of<modint_base, T>;template <class T> using is_modint_t = std::enable_if_t<is_modint<T>::value>;} // namespace internaltemplate <int m, std::enable_if_t<(1 <= m)>* = nullptr>struct static_modint : internal::static_modint_base {using mint = static_modint;public:static constexpr int mod() { return m; }static mint raw(int v) {mint x;x._v = v;return x;}static_modint() : _v(0) {}template <class T, internal::is_signed_int_t<T>* = nullptr>static_modint(T v) {long long x = (long long)(v % (long long)(umod()));if (x < 0) x += umod();_v = (unsigned int)(x);}template <class T, internal::is_unsigned_int_t<T>* = nullptr>static_modint(T v) {_v = (unsigned int)(v % umod());}unsigned int val() const { return _v; }mint& operator++() {_v++;if (_v == umod()) _v = 0;return *this;}mint& operator--() {if (_v == 0) _v = umod();_v--;return *this;}mint operator++(int) {mint result = *this;++*this;return result;}mint operator--(int) {mint result = *this;--*this;return result;}mint& operator+=(const mint& rhs) {_v += rhs._v;if (_v >= umod()) _v -= umod();return *this;}mint& operator-=(const mint& rhs) {_v -= rhs._v;if (_v >= umod()) _v += umod();return *this;}mint& operator*=(const mint& rhs) {unsigned long long z = _v;z *= rhs._v;_v = (unsigned int)(z % umod());return *this;}mint& operator/=(const mint& rhs) { return *this = *this * rhs.inv(); }mint operator+() const { return *this; }mint operator-() const { return mint() - *this; }mint pow(long long n) const {assert(0 <= n);mint x = *this, r = 1;while (n) {if (n & 1) r *= x;x *= x;n >>= 1;}return r;}mint inv() const {if (prime) {assert(_v);return pow(umod() - 2);} else {auto eg = internal::inv_gcd(_v, m);assert(eg.first == 1);return eg.second;}}friend mint operator+(const mint& lhs, const mint& rhs) {return mint(lhs) += rhs;}friend mint operator-(const mint& lhs, const mint& rhs) {return mint(lhs) -= rhs;}friend mint operator*(const mint& lhs, const mint& rhs) {return mint(lhs) *= rhs;}friend mint operator/(const mint& lhs, const mint& rhs) {return mint(lhs) /= rhs;}friend bool operator==(const mint& lhs, const mint& rhs) {return lhs._v == rhs._v;}friend bool operator!=(const mint& lhs, const mint& rhs) {return lhs._v != rhs._v;}private:unsigned int _v;static constexpr unsigned int umod() { return m; }static constexpr bool prime = internal::is_prime<m>;};template <int id> struct dynamic_modint : internal::modint_base {using mint = dynamic_modint;public:static int mod() { return (int)(bt.umod()); }static void set_mod(int m) {assert(1 <= m);bt = internal::barrett(m);}static mint raw(int v) {mint x;x._v = v;return x;}dynamic_modint() : _v(0) {}template <class T, internal::is_signed_int_t<T>* = nullptr>dynamic_modint(T v) {long long x = (long long)(v % (long long)(mod()));if (x < 0) x += mod();_v = (unsigned int)(x);}template <class T, internal::is_unsigned_int_t<T>* = nullptr>dynamic_modint(T v) {_v = (unsigned int)(v % mod());}unsigned int val() const { return _v; }mint& operator++() {_v++;if (_v == umod()) _v = 0;return *this;}mint& operator--() {if (_v == 0) _v = umod();_v--;return *this;}mint operator++(int) {mint result = *this;++*this;return result;}mint operator--(int) {mint result = *this;--*this;return result;}mint& operator+=(const mint& rhs) {_v += rhs._v;if (_v >= umod()) _v -= umod();return *this;}mint& operator-=(const mint& rhs) {_v += mod() - rhs._v;if (_v >= umod()) _v -= umod();return *this;}mint& operator*=(const mint& rhs) {_v = bt.mul(_v, rhs._v);return *this;}mint& operator/=(const mint& rhs) { return *this = *this * rhs.inv(); }mint operator+() const { return *this; }mint operator-() const { return mint() - *this; }mint pow(long long n) const {assert(0 <= n);mint x = *this, r = 1;while (n) {if (n & 1) r *= x;x *= x;n >>= 1;}return r;}mint inv() const {auto eg = internal::inv_gcd(_v, mod());assert(eg.first == 1);return eg.second;}friend mint operator+(const mint& lhs, const mint& rhs) {return mint(lhs) += rhs;}friend mint operator-(const mint& lhs, const mint& rhs) {return mint(lhs) -= rhs;}friend mint operator*(const mint& lhs, const mint& rhs) {return mint(lhs) *= rhs;}friend mint operator/(const mint& lhs, const mint& rhs) {return mint(lhs) /= rhs;}friend bool operator==(const mint& lhs, const mint& rhs) {return lhs._v == rhs._v;}friend bool operator!=(const mint& lhs, const mint& rhs) {return lhs._v != rhs._v;}private:unsigned int _v;static internal::barrett bt;static unsigned int umod() { return bt.umod(); }};template <int id> internal::barrett dynamic_modint<id>::bt(998244353);using modint998244353 = static_modint<998244353>;using modint1000000007 = static_modint<1000000007>;using modint = dynamic_modint<-1>;namespace internal {template <class T>using is_static_modint = std::is_base_of<internal::static_modint_base, T>;template <class T>using is_static_modint_t = std::enable_if_t<is_static_modint<T>::value>;template <class> struct is_dynamic_modint : public std::false_type {};template <int id>struct is_dynamic_modint<dynamic_modint<id>> : public std::true_type {};template <class T>using is_dynamic_modint_t = std::enable_if_t<is_dynamic_modint<T>::value>;} // namespace internal} // namespace atcoderusing mint = atcoder::modint998244353;std::istream& operator>>(std::istream& in, mint &a) {long long e; in >> e; a = e;return in;}std::ostream& operator<<(std::ostream& out, const mint &a) {out << a.val();return out;}#include <vector>namespace suisen {template <typename T, typename U = T>struct factorial {factorial() {}factorial(int n) { ensure(n); }static void ensure(const int n) {int sz = _fac.size();if (n + 1 <= sz) return;int new_size = std::max(n + 1, sz * 2);_fac.resize(new_size), _fac_inv.resize(new_size);for (int i = sz; i < new_size; ++i) _fac[i] = _fac[i - 1] * i;_fac_inv[new_size - 1] = U(1) / _fac[new_size - 1];for (int i = new_size - 1; i > sz; --i) _fac_inv[i - 1] = _fac_inv[i] * i;}T fac(const int i) {ensure(i);return _fac[i];}T operator()(int i) {return fac(i);}U fac_inv(const int i) {ensure(i);return _fac_inv[i];}U binom(const int n, const int r) {if (n < 0 or r < 0 or n < r) return 0;ensure(n);return _fac[n] * _fac_inv[r] * _fac_inv[n - r];}U perm(const int n, const int r) {if (n < 0 or r < 0 or n < r) return 0;ensure(n);return _fac[n] * _fac_inv[n - r];}private:static std::vector<T> _fac;static std::vector<U> _fac_inv;};template <typename T, typename U>std::vector<T> factorial<T, U>::_fac{ 1 };template <typename T, typename U>std::vector<U> factorial<T, U>::_fac_inv{ 1 };} // namespace suisenint main() {factorial<mint> fac(100000);INPUT(int, n);vector dp(n + 1, vector<mint>(n + 1, 0));dp[0][0] = 1;REP(i, n) REP(j, i + 1) {dp[i + 1][j] += dp[i][j] * 25;dp[i + 1][j + 1] += dp[i][j];}mint ans = 0;REP(i, n + 1) {ans += dp[n][i] * (i / 3);}print(ans);// const int m = n / 3;// vector<mint> f(m + 1);// REP(i, m + 1) {// f[i] = fac.binom(n, 3 * i) * mint(26).pow(n - 3 * i);// }// debug(f);// vector<mint> g = f;// RREP(i, m) {// REP(j, i + 1, m + 1) {// g[i] -= g[j] * fac.binom(j, i);// }// }// mint ans = 0;// REP(i, m + 1) {// ans += g[i] * i;// }// print(ans);return 0;}