結果
問題 | No.502 階乗を計算するだけ |
ユーザー | hinamimi |
提出日時 | 2020-07-24 16:48:46 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,773 bytes |
コンパイル時間 | 342 ms |
コンパイル使用メモリ | 82,560 KB |
実行使用メモリ | 418,480 KB |
最終ジャッジ日時 | 2024-06-25 13:22:28 |
合計ジャッジ時間 | 4,738 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 | 38 ms
58,496 KB |
testcase_01 | AC | 38 ms
52,736 KB |
testcase_02 | AC | 38 ms
52,736 KB |
testcase_03 | AC | 39 ms
52,224 KB |
testcase_04 | AC | 38 ms
53,120 KB |
testcase_05 | AC | 39 ms
52,608 KB |
testcase_06 | AC | 38 ms
52,480 KB |
testcase_07 | AC | 37 ms
52,480 KB |
testcase_08 | AC | 38 ms
52,736 KB |
testcase_09 | AC | 38 ms
52,608 KB |
testcase_10 | AC | 41 ms
52,736 KB |
testcase_11 | AC | 38 ms
52,608 KB |
testcase_12 | AC | 37 ms
52,352 KB |
testcase_13 | AC | 37 ms
52,888 KB |
testcase_14 | AC | 38 ms
52,608 KB |
testcase_15 | AC | 37 ms
52,992 KB |
testcase_16 | AC | 38 ms
53,120 KB |
testcase_17 | AC | 37 ms
52,736 KB |
testcase_18 | AC | 37 ms
52,608 KB |
testcase_19 | AC | 37 ms
52,608 KB |
testcase_20 | AC | 38 ms
52,864 KB |
testcase_21 | AC | 38 ms
52,224 KB |
testcase_22 | AC | 97 ms
127,720 KB |
testcase_23 | AC | 60 ms
77,184 KB |
testcase_24 | AC | 81 ms
106,368 KB |
testcase_25 | AC | 46 ms
64,256 KB |
testcase_26 | AC | 65 ms
84,992 KB |
testcase_27 | AC | 56 ms
72,960 KB |
testcase_28 | AC | 61 ms
79,232 KB |
testcase_29 | AC | 50 ms
67,712 KB |
testcase_30 | AC | 92 ms
119,552 KB |
testcase_31 | AC | 68 ms
88,704 KB |
testcase_32 | TLE | - |
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 | -- | - |
ソースコード
class Factorial(): def __init__(self, mod=10**9 + 7): self.mod = mod self._factorial = [1] self._size = 1 self._factorial_inv = [1] self._size_inv = 1 def __call__(self, n): return self.fact(n) def fact(self, n): ''' n! % mod ''' if n >= self.mod: return 0 self._make(n) return self._factorial[n] def _make(self, n): if n >= self.mod: n = self.mod if self._size < n+1: for i in range(self._size, n+1): self._factorial.append(self._factorial[i-1]*i % self.mod) self._size = n+1 def fact_inv(self, n): ''' n!^-1 % mod ''' if n >= self.mod: raise ValueError('Modinv is not exist! arg={}'.format(n)) if self._size_inv < n+1: self._factorial_inv += [-1] * (n+1-self._size_inv) self._size_inv = n+1 if self._factorial_inv[n] == -1: self._factorial_inv[n] = self.modinv(self.fact(n)) return self._factorial_inv[n] def _make_inv(self, n, r=2): if n >= self.mod: n = self.mod - 1 if self._size_inv < n+1: self._factorial_inv += [-1] * (n+1-self._size_inv) self._size_inv = n+1 self._factorial_inv[n] = self.modinv(self.fact(n)) for i in range(n, r, -1): self._factorial_inv[i-1] = self._factorial_inv[i]*i % self.mod @staticmethod def xgcd(a, b): ''' Return (gcd(a, b), x, y) such that a*x + b*y = gcd(a, b) ''' x0, x1, y0, y1 = 0, 1, 1, 0 while a != 0: (q, a), b = divmod(b, a), a y0, y1 = y1, y0 - q * y1 x0, x1 = x1, x0 - q * x1 return b, x0, y0 def modinv(self, n): g, x, _ = self.xgcd(n, self.mod) if g != 1: raise ValueError('Modinv is not exist! arg={}'.format(n)) return x % self.mod def comb(self, n, r): ''' nCr % mod ''' if r > n: return 0 t = self(n)*self.fact_inv(n-r) % self.mod return t*self.fact_inv(r) % self.mod def comb_(self, n, r): ''' nCr % mod when r is not large and n is too large ''' c = 1 for i in range(1, r+1): c *= (n-i+1) * self.fact_inv(i) c %= self.mod return c def comb_with_repetition(self, n, r): ''' nHr % mod ''' t = self(n+r-1)*self.fact_inv(n-1) % self.mod return t*self.fact_inv(r) % self.mod def perm(self, n, r): ''' nPr % mod ''' if r > n: return 0 return self(n)*self.fact_inv(n-r) % self.mod print(Factorial()(int(input())))