結果
| 問題 |
No.562 超高速一人かるた small
|
| コンテスト | |
| ユーザー |
はまやんはまやん
|
| 提出日時 | 2017-08-25 23:48:15 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,491 bytes |
| コンパイル時間 | 1,994 ms |
| コンパイル使用メモリ | 174,388 KB |
| 実行使用メモリ | 14,444 KB |
| 最終ジャッジ日時 | 2024-10-15 16:46:41 |
| 合計ジャッジ時間 | 8,042 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 -- * 1 |
| other | AC * 7 TLE * 1 -- * 13 |
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); }
};
/*---------------------------------------------------------------------------------------------------
∧_∧
∧_∧ (´<_` ) 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() {
cin >> N;
rep(i, 0, N) cin >> S[i];
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 = 0, rest = cnt - 1;
vector<int> okk(N, 0);
rep(j, 0, N) okk[j] = ok[j];
okk[i] = 0;
rep(j, 0, S[i].length()) {
c++;
rep(k, 0, N) if (okk[k]) {
if (j == S[k].length()) {
okk[k] = 0;
rest--;
} else {
if (S[i][j] != S[k][j]) {
okk[k] = 0;
rest--;
}
}
}
if (rest == 0) break;
}
if (rest) c++;
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;
}
はまやんはまやん