結果
問題 | No.2141 Enumeratest |
ユーザー | MasKoaTS |
提出日時 | 2022-12-02 22:03:48 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 983 ms / 2,000 ms |
コード長 | 2,435 bytes |
コンパイル時間 | 397 ms |
コンパイル使用メモリ | 82,304 KB |
実行使用メモリ | 83,584 KB |
最終ジャッジ日時 | 2024-04-18 06:05:32 |
合計ジャッジ時間 | 5,602 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 42 ms
52,480 KB |
testcase_01 | AC | 43 ms
52,480 KB |
testcase_02 | AC | 108 ms
76,672 KB |
testcase_03 | AC | 93 ms
76,100 KB |
testcase_04 | AC | 983 ms
83,584 KB |
testcase_05 | AC | 43 ms
52,480 KB |
testcase_06 | AC | 36 ms
52,992 KB |
testcase_07 | AC | 56 ms
67,840 KB |
testcase_08 | AC | 71 ms
75,904 KB |
testcase_09 | AC | 68 ms
76,044 KB |
testcase_10 | AC | 76 ms
75,904 KB |
testcase_11 | AC | 90 ms
75,776 KB |
testcase_12 | AC | 53 ms
63,104 KB |
testcase_13 | AC | 65 ms
75,704 KB |
testcase_14 | AC | 86 ms
75,844 KB |
testcase_15 | AC | 76 ms
75,628 KB |
testcase_16 | AC | 81 ms
75,776 KB |
testcase_17 | AC | 59 ms
75,392 KB |
testcase_18 | AC | 60 ms
75,496 KB |
testcase_19 | AC | 63 ms
75,620 KB |
testcase_20 | AC | 65 ms
75,740 KB |
testcase_21 | AC | 65 ms
75,392 KB |
testcase_22 | AC | 64 ms
75,748 KB |
testcase_23 | AC | 66 ms
76,032 KB |
testcase_24 | AC | 267 ms
77,424 KB |
testcase_25 | AC | 96 ms
76,416 KB |
testcase_26 | AC | 54 ms
61,952 KB |
testcase_27 | AC | 68 ms
75,684 KB |
testcase_28 | AC | 67 ms
75,340 KB |
testcase_29 | AC | 59 ms
74,112 KB |
testcase_30 | AC | 72 ms
75,476 KB |
testcase_31 | AC | 66 ms
75,520 KB |
testcase_32 | AC | 65 ms
75,392 KB |
testcase_33 | AC | 68 ms
75,520 KB |
testcase_34 | AC | 598 ms
80,472 KB |
testcase_35 | AC | 53 ms
63,616 KB |
testcase_36 | AC | 67 ms
75,392 KB |
ソースコード
import sys input = sys.stdin.readline class ModInt: mod = 998244353 def __init__(self, x): self.x = x % ModInt.mod @classmethod def set_mod(cls, mod: int) -> None: ModInt.mod = mod def __str__(self): return str(self.x) __repr__ = __str__ def __add__(self, other): return (ModInt(self.x + other.x) if isinstance(other, ModInt) else ModInt(self.x + other)) def __sub__(self, other): return (ModInt(self.x - other.x) if isinstance(other, ModInt) else ModInt(self.x - other)) def __mul__(self, other): return (ModInt(self.x * other.x) if isinstance(other, ModInt) else ModInt(self.x * other)) def __truediv__(self, other): return (ModInt(self.x * pow(other.x, ModInt.mod - 2, ModInt.mod)) if isinstance(other, ModInt) else ModInt(self.x * pow(other, ModInt.mod - 2, ModInt.mod))) def __pow__(self, other): return ModInt(pow(self.x, other.x, ModInt.mod)) if isinstance(other, ModInt) else ModInt(pow(self.x, other, ModInt.mod)) __radd__ = __add__ def __rsub__(self, other): return (ModInt(other.x - self.x) if isinstance(other, ModInt) else ModInt(other - self.x)) __rmul__ = __mul__ def __rtruediv__(self, other): return (ModInt(other.x * pow(self.x, ModInt.mod - 2, ModInt.mod)) if isinstance(other, ModInt) else ModInt(other * pow(self.x, ModInt.mod - 2, ModInt.mod))) def __rpow__(self, other): return ModInt(pow(other.x, self.x, ModInt.mod)) if isinstance(other, ModInt) else ModInt(pow(other, self.x, ModInt.mod)) def __iadd__(self, other): self = self + other return self def __isub__(self, other): self = self - other return self def __imul__(self, other): self = self * other return self def __itruediv__(self, other): self = self / other return self @classmethod def nCk(cls, n, k): if(isinstance(n, ModInt)): n = n.x if(isinstance(k, ModInt)): k = k.x r = min(n - k, k) ret = ModInt(1) for i in range(n - r + 1, n + 1): ret *= i d = ModInt(1) for i in range(2, r + 1): d *= i ret /= d return ret """ Main Code """ n, m = map(int, input().split()) if(n > m): ans = ModInt(1) for i in range(2, m + 1): ans *= i print(ans) exit(0) a = [0] * n t = m i = 0 while(t > 0): a[i % n] += 1 t -= 1 i += 1 # print(a) ans = ModInt(1) for i in range(2, m + 1): ans *= i fact = {} for k in a: if(k not in fact): d = ModInt(1) for j in range(2, k + 1): d *= j fact[k] = d ans /= fact[k] print(ans)