結果
問題 | No.562 超高速一人かるた small |
ユーザー | はまやんはまやん |
提出日時 | 2017-08-26 00:15:23 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,197 ms / 3,000 ms |
コード長 | 5,869 bytes |
コンパイル時間 | 2,676 ms |
コンパイル使用メモリ | 196,600 KB |
実行使用メモリ | 7,664 KB |
最終ジャッジ日時 | 2024-10-15 16:52:44 |
合計ジャッジ時間 | 17,410 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 | 6 ms
7,576 KB |
testcase_01 | AC | 5 ms
7,524 KB |
testcase_02 | AC | 5 ms
7,524 KB |
testcase_03 | AC | 5 ms
7,540 KB |
testcase_04 | AC | 6 ms
7,560 KB |
testcase_05 | AC | 6 ms
7,524 KB |
testcase_06 | AC | 5 ms
7,572 KB |
testcase_07 | AC | 10 ms
7,456 KB |
testcase_08 | AC | 124 ms
7,608 KB |
testcase_09 | AC | 1,180 ms
7,624 KB |
testcase_10 | AC | 261 ms
7,628 KB |
testcase_11 | AC | 547 ms
7,448 KB |
testcase_12 | AC | 122 ms
7,424 KB |
testcase_13 | AC | 8 ms
7,632 KB |
testcase_14 | AC | 1,181 ms
7,624 KB |
testcase_15 | AC | 1,188 ms
7,572 KB |
testcase_16 | AC | 1,191 ms
7,584 KB |
testcase_17 | AC | 1,151 ms
7,436 KB |
testcase_18 | AC | 1,166 ms
7,504 KB |
testcase_19 | AC | 1,173 ms
7,664 KB |
testcase_20 | AC | 1,197 ms
7,556 KB |
testcase_21 | AC | 1,169 ms
7,472 KB |
testcase_22 | AC | 1,179 ms
7,612 KB |
testcase_23 | AC | 1,181 ms
7,620 KB |
ソースコード
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } //--------------------------------------------------------------------------------------------------- template<int MOD> struct ModInt { static const int Mod = MOD; unsigned x; ModInt() : x(0) { } ModInt(signed sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; } ModInt(signed long long sig) { x = sig < 0 ? sig % MOD + MOD : sig % MOD; } int get() const { return (int)x; } ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; } ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; } ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; } ModInt &operator/=(ModInt that) { return *this *= that.inverse(); } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt inverse() const { long long a = x, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); } return ModInt(u); } bool operator==(ModInt that) const { return x == that.x; } bool operator!=(ModInt that) const { return x != that.x; } ModInt operator-() const { ModInt t; t.x = x == 0 ? 0 : Mod - x; return t; } }; template<int MOD> ostream& operator<<(ostream& st, const ModInt<MOD> a) { st << a.get(); return st; }; template<int MOD> ModInt<MOD> operator^(ModInt<MOD> a, unsigned long long k) { ModInt<MOD> r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; } typedef ModInt<1000000007> mint; template<typename T, int FAC_MAX> struct Comb { vector<T> fac, ifac; Comb() {fac.resize(FAC_MAX, 1); ifac.resize(FAC_MAX, 1);rep(i, 1, FAC_MAX) fac[i] = fac[i - 1] * i; rep(i, 1, FAC_MAX) ifac[i] = T(1) / fac[i];} T aPb(int a, int b) { if (b < 0 || a < b) return T(0); return fac[a] * ifac[a - b]; } T aCb(int a, int b) { if (b < 0 || a < b) return T(0); return fac[a] * ifac[a - b] * ifac[b]; } T nHk(int n, int k) { if (n == 0 && k == 0) return T(1); if (n <= 0 || k < 0) return 0; return aCb(n + k - 1, k); } }; #ifdef _MSC_VER inline unsigned int __builtin_clz(unsigned int x){unsigned long r;_BitScanReverse(&r,x);return 31-r;} inline int __lg(int __n) { return sizeof(int) * 8 - 1 - __builtin_clz(__n); } #endif template<class T> struct RMQ { // [l,r) vector<T> V; vector<vector<int> > M, X; int N; RMQ() {} RMQ(vector<T> &v) { init(v); } void init(vector<T> &v) { V = v; N = V.size(); int ln = __lg(N) + 1; M.resize(ln); X.resize(ln); rep(i,0,ln){M[i].resize(N);X[i].resize(N);}rep(j,0,N) M[0][j] = X[0][j] = j; rep(i,0,ln-1){for(int j=0;j+(1<<i)<N;j++){if(V[M[i][j+(1<<i)]]<V[M[i][j]]) M[i+1][j]=M[i][j+(1<<i)];else M[i + 1][j] = M[i][j]; if (V[X[i][j]]<V[X[i][j + (1 << i)]]) X[i + 1][j] = X[i][j + (1 << i)];else X[i + 1][j] = X[i][j];}}} T getmin(int l, int r) { return V[getminidx(l, r)]; } int getminidx(int l, int r) { r = min(N, r); int d = __lg(r - l); if (V[M[d][r - (1 << d)]] < V[M[d][l]]) return M[d][r - (1 << d)]; else return M[d][l];} T getmax(int l, int r) { return V[getmaxidx(l, r)]; } int getmaxidx(int l, int r) { r = min(N, r); int d = __lg(r - l); if (V[X[d][l]] < V[X[d][r - (1 << d)]]) return X[d][r - (1 << d)]; else return X[d][l];}}; struct ManyLCP { vector<string> v; RMQ<int> st; vector<int> dic; void add(string s) { v.push_back(s); } void build() { vector<pair<string,int>> p;rep(i,0,v.size())p.push_back({v[i],i});sort(p.begin(), p.end()); vector<int> vv; rep(i, 0, p.size() - 1) { string a = p[i].first, b = p[i + 1].first; int cnt = 0; rep(i, 0, min(a.length(), b.length())) {if (a[i]==b[i])cnt=i + 1;else break;} vv.push_back(cnt);}st.init(vv);dic.resize(v.size());rep(i,0,p.size()) dic[p[i].second] = i;} int lcp(int i, int j) {int a = dic[i], b = dic[j];if (a>b)swap(a, b);return st.getmin(a, b);}}; /*--------------------------------------------------------------------------------------------------- ∧_∧ ∧_∧ (´<_` ) Welcome to My Coding Space! ( ´_ゝ`) / ⌒i / \ | | / / ̄ ̄ ̄ ̄/ | __(__ニつ/ _/ .| .|____ \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ Comb<mint, 101> com; int N; string S[20]; mint dp[1 << 20]; //--------------------------------------------------------------------------------------------------- mint ans[20]; void _main() { ManyLCP lcp; cin >> N; rep(i, 0, N) cin >> S[i]; rep(i, 0, N) lcp.add(S[i]); lcp.build(); rep(mask, 0, 1 << N) { int cn = 0; rep(i, 0, N) if ((mask >> i) & 1) cn++; ans[cn] += dp[mask]; vector<int> ok(N, 0); int cnt = 0; rep(i, 0, N) if (~(mask >> i) & 1) ok[i] = 1, cnt++; rep(i, 0, N) if (ok[i]) { int c = 1; rep(j, 0, N) if (ok[j] && i != j) c = max(c, lcp.lcp(i, j) + 1); dp[mask | (1 << i)] += dp[mask] + com.aPb(cn, cn) * c; } } //rep(mask, 0, 1 << N) printf("dp[%d] = %d\n", mask, dp[mask]); rep(i, 1, N + 1) cout << ans[i] << endl; }