結果
問題 | No.2605 Pickup Parentheses |
ユーザー | ゆにぽけ |
提出日時 | 2024-01-12 22:49:32 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,412 bytes |
コンパイル時間 | 2,926 ms |
コンパイル使用メモリ | 171,784 KB |
実行使用メモリ | 29,588 KB |
最終ジャッジ日時 | 2024-09-27 23:35:12 |
合計ジャッジ時間 | 7,078 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | WA | - |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 9 ms
6,944 KB |
testcase_04 | AC | 18 ms
6,940 KB |
testcase_05 | AC | 27 ms
6,940 KB |
testcase_06 | AC | 74 ms
6,940 KB |
testcase_07 | AC | 29 ms
6,940 KB |
testcase_08 | AC | 71 ms
6,944 KB |
testcase_09 | AC | 4 ms
6,944 KB |
testcase_10 | AC | 27 ms
6,940 KB |
testcase_11 | AC | 22 ms
6,944 KB |
testcase_12 | AC | 4 ms
6,948 KB |
testcase_13 | AC | 3 ms
6,940 KB |
testcase_14 | AC | 12 ms
6,944 KB |
testcase_15 | AC | 11 ms
6,940 KB |
testcase_16 | AC | 3 ms
6,940 KB |
testcase_17 | AC | 10 ms
6,940 KB |
testcase_18 | TLE | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
testcase_40 | -- | - |
testcase_41 | -- | - |
testcase_42 | -- | - |
testcase_43 | -- | - |
testcase_44 | -- | - |
testcase_45 | -- | - |
testcase_46 | -- | - |
testcase_47 | -- | - |
testcase_48 | -- | - |
testcase_49 | -- | - |
testcase_50 | -- | - |
testcase_51 | -- | - |
testcase_52 | -- | - |
testcase_53 | -- | - |
testcase_54 | -- | - |
testcase_55 | -- | - |
testcase_56 | -- | - |
testcase_57 | -- | - |
testcase_58 | -- | - |
testcase_59 | -- | - |
testcase_60 | -- | - |
testcase_61 | -- | - |
testcase_62 | -- | - |
testcase_63 | -- | - |
testcase_64 | -- | - |
testcase_65 | -- | - |
testcase_66 | -- | - |
testcase_67 | -- | - |
testcase_68 | -- | - |
testcase_69 | -- | - |
testcase_70 | -- | - |
ソースコード
#include <iostream> #include <vector> #include <algorithm> #include <array> #include <iterator> #include <string> #include <cctype> #include <cstring> #include <cstdlib> #include <cassert> #include <cmath> #include <ctime> #include <iomanip> #include <numeric> #include <stack> #include <queue> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <bitset> #include <random> #include <utility> #include <functional> #include <atcoder/convolution> #include <atcoder/modint> using mint = atcoder::modint998244353; using namespace std; template<int m> struct modint { private: unsigned int value; static constexpr int mod() {return m;} public: constexpr modint(const long long x = 0) noexcept { long long y = x; if(y < 0 || y >= mod()) { y %= mod(); if(y < 0) y += mod(); } value = (unsigned int)y; } constexpr unsigned int val() noexcept {return value;} constexpr modint &operator+=(const modint &other) noexcept { value += other.value; if(value >= mod()) value -= mod(); return *this; } constexpr modint &operator-=(const modint &other) noexcept { unsigned int x = value; if(x < other.value) x += mod(); x -= other.value; value = x; return *this; } constexpr modint &operator*=(const modint &other) noexcept { unsigned long long x = value; x *= other.value; value = (unsigned int) (x % mod()); return *this; } constexpr modint &operator/=(const modint &other) noexcept { return *this *= other.inverse(); } constexpr modint inverse() const noexcept { assert(value); long long a = value,b = mod(),x = 1,y = 0; while(b) { long long q = a/b; a -= q*b; swap(a,b); x -= q*y; swap(x,y); } return modint(x); } constexpr modint power(long long N) const noexcept { assert(N >= 0); modint p = *this,ret = 1; while(N) { if(N & 1) ret *= p; p *= p; N >>= 1; } return ret; } constexpr modint operator+() {return *this;} constexpr modint operator-() {return modint() - *this;} constexpr modint &operator++(int) noexcept {return *this += 1;} constexpr modint &operator--(int) noexcept {return *this -= 1;} friend modint operator+(const modint& lhs, const modint& rhs) {return modint(lhs) += rhs;} friend modint operator-(const modint& lhs, const modint& rhs) {return modint(lhs) -= rhs;} friend modint operator*(const modint& lhs, const modint& rhs) {return modint(lhs) *= rhs;} friend modint operator/(const modint& lhs, const modint& rhs) {return modint(lhs) /= rhs;} friend ostream &operator<<(ostream &os,const modint &x) {return os << x.value;} }; /* using mint = modint<998244353>; */ /* using mint = modint<1000000007>; */ template<class S> struct combination { vector<S> f,invf; combination(int N = 0) : f(1,1),invf(1,1) { update(N); } void update(int N) { if((int)f.size() > N) return; int pi = (int)f.size(); N = max(N,pi*2); f.resize(N+1),invf.resize(N+1); for(int i = pi;i <= N;i++) f[i] = f[i-1]*i; invf[N] = S(1)/f[N]; for(int i = N-1;i >= pi;i--) invf[i] = invf[i+1]*(i+1); } S factorial(int N) { update(N); return f[N]; } S invfactorial(int N) { update(N); return invf[N]; } S P(int N,int K) { assert(0 <= K && K <= N); update(N); return f[N]*invf[N-K]; } S C(int N,int K) { assert(0 <= K && K <= N); update(N); return f[N]*invf[K]*invf[N-K]; } S H(int N,int K) { if(!N) return K == 0 ? 1:0; return C(N+K-1,K); } }; combination<mint> Com; void solve() { int N,M; cin >> N >> M; vector<int> L(M),R(M); vector<mint> C(M); for(int i = 0;i < M;i++) { cin >> L[i] >> R[i]; L[i]--; int x = R[i] - L[i]; if(x & 1); else C[i] = Com.C(x,x / 2) - Com.C(x,x / 2 - 1); } auto dfs = [&](auto dfs,int l,int r) -> vector<mint> { if(l == r) return {1}; if(l + 1 == r) { vector<mint> res(R[l] - L[l] + 1); res[0] = 1,res[R[l] - L[l]] = -C[l]; return res; } int m = (l + r) / 2; vector<mint> res = atcoder::convolution(dfs(dfs,l,m),dfs(dfs,m,r)); res.resize(N + 1); return res; }; vector<mint> V = dfs(dfs,0,M); mint ans = 0; for(int i = 0;i <= N;i++) { int x = N - i; if(x & 1) continue; mint coef = 1; if(x > 0) { coef = Com.C(x,x / 2) - Com.C(x,x / 2 - 1); } ans += coef * V[i]; } cout << ans.val() << "\n"; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int tt = 1; /* cin >> tt; */ while(tt--) solve(); }