結果
問題 | No.2131 Concon Substrings (COuNt Version) |
ユーザー | tanakamidnight |
提出日時 | 2022-11-25 22:14:52 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 821 ms / 2,000 ms |
コード長 | 11,597 bytes |
コンパイル時間 | 2,877 ms |
コンパイル使用メモリ | 220,184 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-02 04:48:52 |
合計ジャッジ時間 | 8,392 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 2 ms
5,248 KB |
testcase_03 | AC | 345 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 821 ms
5,248 KB |
testcase_08 | AC | 191 ms
5,248 KB |
testcase_09 | AC | 819 ms
5,248 KB |
testcase_10 | AC | 821 ms
5,248 KB |
testcase_11 | AC | 526 ms
5,248 KB |
testcase_12 | AC | 497 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 222 ms
5,248 KB |
testcase_15 | AC | 181 ms
5,248 KB |
testcase_16 | AC | 3 ms
5,248 KB |
testcase_17 | AC | 161 ms
5,248 KB |
testcase_18 | AC | 162 ms
5,248 KB |
testcase_19 | AC | 83 ms
5,248 KB |
ソースコード
/** * code generated by JHelper * More info: https://github.com/AlexeyDmitriev/JHelper * @author */ //@formatter:off #pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; //@formatter:off #define rep(i, n) for (int i = 0; i < (n); ++i) #define drep(i, n) for (int i = (n)-1; i >= 0; --i) #define srep(i, s, t) for (int i = s; i < t; ++i) #define rng(a) a.begin(), a.end() #define rrng(a) a.rbegin(), a.rend() using ll = long long; using P = pair<ll, ll>; using VI = vector<int>; using VVI = vector<VI>; using VVVI = vector<VVI>; using VVVVI = vector<VVVI>; using VL = vector<ll>; using VVL = vector<VL>; using VVVL = vector<VVL>; using VVVVL = vector<VVVL>; using VP = vector<P>; using VVP = vector<vector<P>>; using VS = vector<string>; using VC = vector<char>; using VVC = vector<vector<char>>; using VD = vector<double>; using VVD = vector<vector<double>>; using VVVD = vector<VVD>; using I_I = pair<int, int>; const int INF = (int)1e9 + 10; // int max > 2*10^9 const long long INFL = (ll)2e18 + 10; // ll max > 9*10^18 const int JU_5 = 100000; const int JU_6 = 1000000; const ll JU_9 = 1000000000; const ll JU_18 = JU_9*JU_9; #define YES cout << "YES" << endl #define NO cout << "NO" << endl #define Yes cout << "Yes" << endl #define No cout << "No" << endl template <typename T, typename C> pair<T,C> operator+(const pair<T,C> &a, const pair<T,C> &b) { return make_pair(a.first + b.first, a.second + b.second); } template <typename T, typename C> pair<T,C> operator-(const pair<T,C> &a, const pair<T,C> &b) { return make_pair(a.first - b.first, a.second - b.second); } template <typename T, typename C> pair<T,C> operator*(const pair<T,C> &a, const pair<T,C> &b) { return make_pair(a.first * b.first, a.second * b.second); } template <typename T, typename C> pair<T,C> operator/(const pair<T,C> &a, const pair<T,C> &b) { return make_pair(a.first / b.first, a.second / b.second); } // #define MOD 1000000007 #define MOD 998244353 #define pmod(x,y) ((x%y)+y)%y /********** libs **********/ //@formatter:off // jhelper 用変数 ostream *__cout; istream *__cin; void _init_io(std::istream &cin, std::ostream &cout) { // 入出力高速化用 ios::sync_with_stdio(false); cin.tie(nullptr); // 少数15桁まで出力 cout << std::setprecision(15); // jhelper 用 __cout = &cout; __cin = &cin; } //@formatter:off /* デバッグ用 出力 */ template<typename T> ostream &operator<<(ostream &os, const deque<T> &vec) { os << "deq["; for (auto v: vec) os << v << ","; os << "]"; return os; } template<typename T> ostream &operator<<(ostream &os, const set<T> &vec) { os << "{"; for (auto v: vec) os << v << ","; os << "}"; return os; } template<typename T> ostream &operator<<(ostream &os, const unordered_set<T> &vec) { os << "{"; for (auto v: vec) os << v << ","; os << "}"; return os; } template<typename T> ostream &operator<<(ostream &os, const multiset<T> &vec) { os << "{"; for (auto v: vec) os << v << ","; os << "}"; return os; } template<typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec) { os << "{"; for (auto v: vec) os << v << ","; os << "}"; return os; } template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa) { os << "(" << pa.first << "," << pa.second << ")"; return os; } template<typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp) { os << "{"; for (auto v: mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } template<typename TK, typename TV> ostream &operator<<(ostream &os, const unordered_map<TK, TV> &mp) { os << "{"; for (auto v: mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } // print like python // src: https://qiita.com/Lily0727K/items/06cb1d6da8a436369eed ///////////////////////////////////////////////////////// void print() { *__cout << endl; } template<class Head, class... Tail> void print(Head &&head, Tail &&... tail) { *__cout << head; if (sizeof...(tail) != 0) *__cout << " "; print(forward<Tail>(tail)...); } template<class T> void print(vector<T> &vec) { for (auto &a: vec) { *__cout << a; if (&a != &vec.back()) *__cout << " "; } *__cout << endl; } template<class T> void print(vector<vector<T>> &df) { for (auto &vec: df) { print(vec); } } // endl なし void Print() {} template<class Head, class... Tail> void Print(Head &&head, Tail &&... tail) { *__cout << head; if (sizeof...(tail) != 0) *__cout << " "; Print(forward<Tail>(tail)...); } template<class T> void Print(vector<T> &vec) { for (auto &a: vec) { *__cout << a; if (&a != &vec.back()) *__cout << " "; } } //@formatter:off /* * org: https://atcoder.jp/contests/abc213/submissions/24901856 * jhelper で使用するため, 全部 cin での入力にしている. (現状のレベルでは困らないので) */ template<class T> void scan(T& a){ *__cin >> a; } template<class T> void scan(vector<T>&); template<class T, class L> void scan(pair<T, L>&); template<class T> void scan(vector<T>& a){ for(auto&& i : a) scan(i); } template<class T, class L> void scan(pair<T, L>& p){ scan(p.first); scan(p.second); } template<class T, size_t size> void scan(T (&a)[size]){ for(auto&& i : a) scan(i); } void in(){} template <class... T> void in(T&... a){ (void)initializer_list<int>{ (scan(a), 0)... }; } #define let_v(type,name,...) vector<type>name(__VA_ARGS__) #define let_V(type,name,size) vector<type>name(size);in(name) #define let_vv(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__)) #define let_VV(type,name,h,w) vector<vector<type>>name(h,vector<type>(w));in(name) #define let_vvv(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__))) #define let_vvvv(type,name,h,w,x,...) vector<vector<vector<vector<type>>>>name(h,vector<vector<vector<type>>>(w,vector<vector<type>>(x,vector<type>(__VA_ARGS__)))) /* string 入力を vector<char> で受け取るみたいな */ vector<char> let_CharVec() { string s; *__cin >> s; return {s.begin(), s.end()}; } //@formatter:off //ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } template <class T, class C> bool chmax(T& a, C b) { if (a < b) { a = b; return true; } return false; } template <class T, class C> bool chmin(T& a, C b) { if (a > b) { a = b; return true; } return false; } template <class T> T sum(const vector<T>& v) { T res = 0; for (size_t i = 0; i < v.size(); ++i) res += v[i]; return res; } template<class T> vector<pair<T, int>> idx_pair(vector<T> &vals) { vector<pair<T, int>> ans; rep(i, vals.size()) { ans.emplace_back(vals[i], i); } return ans; } template <class T, class C> T min(T a, C b) { return a <= b ? a : T(b); } template <class T, class C> T max(T a, C b) { return a >= b ? a : T(b); } // add other source // #include "../library/graph/UnionFind.cpp" // #include "../library/tree/SegmentTree.cpp" // #include "../library/others/Zaatsu.cpp" // #include "../library/graph/template.cpp" // utils struct mint { ll x; // typedef long long ll; int mod; mint(ll x = 0, int mod = MOD) : x((x % mod + mod) % mod), mod(mod) {} mint operator-() const { return mint(-x); } mint &operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint &operator-=(const mint a) { if ((x += mod - a.x) >= mod) x -= mod; return *this; } mint &operator*=(const mint a) { (x *= a.x) %= mod; return *this; } mint operator+(const mint a) const { mint res(*this); return res += a; } mint operator-(const mint a) const { mint res(*this); return res -= a; } mint operator*(const mint a) const { mint res(*this); return res *= a; } // bool operator==(const mint a) const { // return this->x == a.x; // } // x^t mint pow(ll t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; // 桁ずらし if (t & 1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod - 2); } mint &operator/=(const mint a) { return (*this) *= a.inv(); } mint operator/(const mint a) const { mint res(*this); return res /= a; } }; istream &operator>>(istream &is, mint &a) { return is >> a.x; } ostream &operator<<(ostream &os, const mint &a) { return os << a.x; } /** * mint を使った combination 計算 */ mint calc_cmb(ll n, ll m) { if (n - m < m) m = n - m; mint x = 1; mint d = 1; for(int i=0;i<m;++i) { x *= (n - i); d *= (i + 1); } return x/d; } /** * nCm nPm nHm 計算用クラス * 参考: https://atcoder.jp/contests/arc117/submissions/21862868 * */ struct Comb { int n; vector<mint> kaijo; vector<mint> gyaku; ll r(ll x) { while (x % MOD == 0) x /= MOD; return x; } // xの mod 進数 int rcnt(ll x) { if (x <= 0) return 0; return rcnt(x / MOD) + x / MOD; } Comb(int mn) : n(mn + 1), kaijo(mn + 1), gyaku(mn + 1) { // mod で割り切れるだけ割ったときの nCm を求められるように, 階乗と逆元を求める kaijo[0] = 1; for (int i = 1; i < n; i++) { kaijo[i] = kaijo[i - 1] * r(i); } gyaku[n - 1] = kaijo[n - 1].pow(MOD - 2); for (int i = n - 1; i > 0; i--) { gyaku[i - 1] = gyaku[i] * r(i); } } mint nCm(int n, int m) { if (n < m || m < 0) return 0; if(m==0)return mint(1); int cnt1 = rcnt(n); int cnt2 = rcnt(n - m) + rcnt(m); if (cnt1 > cnt2) return mint(0); assert(n<kaijo.size()); assert(m<gyaku.size()); return kaijo[n] * gyaku[n - m] * gyaku[m]; } mint nPm(int n, int m) { if (n < 0 || m > n) return 0; if(n==m)return kaijo[n]; int cnt1 = rcnt(n); int cnt2 = rcnt(n - m); if (cnt1 > cnt2) return mint(0); return kaijo[n] * gyaku[n - m]; } // 重複組合せ. n 種類の中から重複を許し m 個とる mint nHm(int n, int m) { int l = n + m - 1; int r = n - 1; if (l < 0 || r < 0) return mint(0); return nCm(l, r); } }; using VMI = vector<mint>; using VVMI = vector<vector<mint>>; using VVVMI = vector<VVMI>; // #include "../library/string/utils.cpp" // #include "../library/math/utils.cpp" /**************************/ class No2131ConconSubstringsCOuNtVersion { public: void solve(std::istream &cin, std::ostream &cout) { _init_io(cin, cout); int t = 1; // cin >> t; while (t--) _solve(cin, cout); } //@formatter:on void _solve(std::istream &cin, std::ostream &cout) { // code int n; cin >> n; VVMI dp(n, VMI(3, 0)); dp[0][0] = 1; rep(i, n) { VVMI pre(n, VMI(3, 0)); swap(dp, pre); rep(j, n - 1) { rep(k, 2) { dp[j][k] += pre[j][k] * 25; dp[j][k + 1] += pre[j][k]; } dp[j][2] += pre[j][2] * 25; dp[j + 1][0] += pre[j][2]; } // print(dp[0]); // print(); } mint tot = 0; srep(i, 1, n) { rep(j, 3) tot += dp[i][j] * i; } print(tot); } }; int main() { No2131ConconSubstringsCOuNtVersion solver; std::istream& in(std::cin); std::ostream& out(std::cout); solver.solve(in, out); return 0; }