結果
問題 | No.1476 esreveR dna esreveR |
ユーザー |
|
提出日時 | 2021-04-16 20:05:00 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 7,778 bytes |
コンパイル時間 | 3,020 ms |
コンパイル使用メモリ | 195,048 KB |
最終ジャッジ日時 | 2025-01-20 18:21:27 |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 6 |
ソースコード
/*** author: otera* created: 16.04.2021 20:01:05**/#include<bits/stdc++.h>using namespace std;using ll = long long;using ld = long double;using ull = unsigned long long;using uint = unsigned;const int inf=1e9+7;const ll INF=1LL<<60;#define repa(i, n) for(int i = 0; i < n; ++ i)#define repb(i, a, b) for(int i = a; i < b; ++ i)#define repc(i, a, b, c) for(int i = a; i < b; i += c)#define overload4(a, b, c, d, e, ...) e#define rep(...) overload4(__VA_ARGS__, repc, repb, repa)(__VA_ARGS__)#define rep1a(i, n) for(int i = 0; i <= n; ++ i)#define rep1b(i, a, b) for(int i = a; i <= b; ++ i)#define rep1c(i, a, b, c) for(int i = a; i <= b; i += c)#define rep1(...) overload4(__VA_ARGS__, rep1c, rep1b, rep1a)(__VA_ARGS__)#define per(i,n) for(int i=n-1;i>=0;i--)#define per1(i,n) for(int i=n;i>=1;i--)typedef pair<int, int> P;typedef pair<ll, ll> LP;#define pb push_back#define eb emplace_back#define fr first#define sc second#define all(c) c.begin(),c.end()#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 Sort(a) sort(all(a))#define Rev(a) reverse(all(a))#define Uniq(a) sort(all(a));a.erase(unique(all(a)),end(a))#define si(c) (int)(c).size()inline ll popcnt(ull a){ return __builtin_popcountll(a); }#define tpow(n) (1LL<<(n))#define unless(A) if(!(A))ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; }ll intpow(ll a, ll b, ll m) {ll ans = 1; while(b){ if(b & 1) (ans *= a) %= m; (a *= a) %= m; b /= 2; } return ans; }template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)#define ULL(...) ull __VA_ARGS__;in(__VA_ARGS__)#define STR(...) string __VA_ARGS__;in(__VA_ARGS__)#define CHR(...) char __VA_ARGS__;in(__VA_ARGS__)#define DBL(...) double __VA_ARGS__;in(__VA_ARGS__)#define LD(...) ld __VA_ARGS__;in(__VA_ARGS__)#define vec(type,name,...) vector<type>name(__VA_ARGS__)#define VEC(type,name,size) vector<type>name(size);in(name)#define vv(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))#define VV(type,name,h,w) vector<vector<type>>name(h,vector<type>(w));in(name)#define vvv(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__)))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 pq = priority_queue<T>;template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;template<class T> void scan(T& a){ cin >> a; }template<class T> void scan(vector<T>& a){ for(auto&& i : a) scan(i); }void in(){}template <class Head, class... Tail> void in(Head& head, Tail&... tail){ scan(head); in(tail...); }void print(){ cout << ' '; }template<class T> void print(const T& a){ cout << a; }template<class T> void print(const vector<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ cout << ' '; print(*i); } }int out(){ cout << '\n'; return 0; }template<class T> int out(const T& t){ print(t); cout << '\n'; return 0; }template<class Head, class... Tail> int out(const Head& head, const Tail&... tail){ print(head); cout << ' '; out(tail...); return 0; }#define CHOOSE(a) CHOOSE2 a#define CHOOSE2(a0,a1,a2,a3,a4,x,...) x#define debug_1(x1) cout<<#x1<<": "<<x1<<endl#define debug_2(x1,x2) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<endl#define debug_3(x1,x2,x3) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<endl#define debug_4(x1,x2,x3,x4) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<endl#define debug_5(x1,x2,x3,x4,x5) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<", "#x5<<": "<<x5<<endl#ifdef DEBUG#define debug(...) CHOOSE((__VA_ARGS__,debug_5,debug_4,debug_3,debug_2,debug_1,~))(__VA_ARGS__)#define dump(...) { print(#__VA_ARGS__); print(":"); out(__VA_ARGS__); }#else#define debug(...)#define dump(...)#endif#define int long long// modint: mod 計算を int を扱うように扱える構造体template<int MOD> struct Fp {long long val;constexpr Fp(long long v = 0) noexcept : val(v % MOD) {if (val < 0) val += MOD;}constexpr int getmod() { return MOD; }constexpr Fp operator - () const noexcept {return val ? MOD - val : 0;}constexpr Fp operator + (const Fp& r) const noexcept { return Fp(*this) += r; }constexpr Fp operator - (const Fp& r) const noexcept { return Fp(*this) -= r; }constexpr Fp operator * (const Fp& r) const noexcept { return Fp(*this) *= r; }constexpr Fp operator / (const Fp& r) const noexcept { return Fp(*this) /= r; }constexpr Fp& operator += (const Fp& r) noexcept {val += r.val;if (val >= MOD) val -= MOD;return *this;}constexpr Fp& operator -= (const Fp& r) noexcept {val -= r.val;if (val < 0) val += MOD;return *this;}constexpr Fp& operator *= (const Fp& r) noexcept {val = val * r.val % MOD;return *this;}constexpr Fp& operator /= (const Fp& r) noexcept {long long a = r.val, b = MOD, u = 1, v = 0;while (b) {long long t = a / b;a -= t * b; swap(a, b);u -= t * v; swap(u, v);}val = val * u % MOD;if (val < 0) val += MOD;return *this;}constexpr bool operator == (const Fp& r) const noexcept {return this->val == r.val;}constexpr bool operator != (const Fp& r) const noexcept {return this->val != r.val;}friend constexpr ostream& operator << (ostream &os, const Fp<MOD>& x) noexcept {return os << x.val;}friend constexpr istream& operator >> (istream &is, Fp<MOD>& x) noexcept {return is >> x.val;}friend constexpr Fp<MOD> modpow(const Fp<MOD> &a, long long n) noexcept {if (n == 0) return 1;auto t = modpow(a, n / 2);t = t * t;if (n & 1) t = t * a;return t;}};// 二項係数ライブラリtemplate<class T> struct BiCoef {vector<T> fact_, inv_, finv_;constexpr BiCoef() {}constexpr BiCoef(int n) noexcept : fact_(n, 1), inv_(n, 1), finv_(n, 1) {init(n);}constexpr void init(int n) noexcept {fact_.assign(n, 1), inv_.assign(n, 1), finv_.assign(n, 1);int MOD = fact_[0].getmod();for(int i = 2; i < n; i++){fact_[i] = fact_[i-1] * i;inv_[i] = -inv_[MOD%i] * (MOD/i);finv_[i] = finv_[i-1] * inv_[i];}}constexpr T com(int n, int k) const noexcept {if(n == k) return 1;if (n < k || n < 0 || k < 0) return 0;return fact_[n] * finv_[k] * finv_[n-k];}constexpr T fact(int n) const noexcept {if (n < 0) return 0;return fact_[n];}constexpr T inv(int n) const noexcept {if (n < 0) return 0;return inv_[n];}constexpr T finv(int n) const noexcept {if (n < 0) return 0;return finv_[n];}};//const int MOD = 1000000007;const int MOD = 998244353;using mint = Fp<MOD>;BiCoef<mint> bc;void solve() {LL(n);out(modpow((mint)6, n / 2));}signed main() {ios::sync_with_stdio(false);cin.tie(0);// cout << fixed << setprecision(20);// INT(t); rep(i, t)solve();solve();return 0;}