結果
問題 | No.1035 Color Box |
ユーザー | Coki628 |
提出日時 | 2020-10-26 18:22:40 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 128 ms / 2,000 ms |
コード長 | 1,759 bytes |
コンパイル時間 | 319 ms |
コンパイル使用メモリ | 82,560 KB |
実行使用メモリ | 74,496 KB |
最終ジャッジ日時 | 2024-07-21 21:30:56 |
合計ジャッジ時間 | 4,033 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 121 ms
74,368 KB |
testcase_01 | AC | 49 ms
58,880 KB |
testcase_02 | AC | 43 ms
52,736 KB |
testcase_03 | AC | 74 ms
68,224 KB |
testcase_04 | AC | 83 ms
69,632 KB |
testcase_05 | AC | 70 ms
66,816 KB |
testcase_06 | AC | 45 ms
53,376 KB |
testcase_07 | AC | 56 ms
60,416 KB |
testcase_08 | AC | 116 ms
74,368 KB |
testcase_09 | AC | 92 ms
71,040 KB |
testcase_10 | AC | 49 ms
58,880 KB |
testcase_11 | AC | 49 ms
58,496 KB |
testcase_12 | AC | 49 ms
58,624 KB |
testcase_13 | AC | 111 ms
73,472 KB |
testcase_14 | AC | 117 ms
74,240 KB |
testcase_15 | AC | 128 ms
74,496 KB |
testcase_16 | AC | 47 ms
52,480 KB |
testcase_17 | AC | 47 ms
52,352 KB |
testcase_18 | AC | 47 ms
52,480 KB |
testcase_19 | AC | 123 ms
74,496 KB |
testcase_20 | AC | 42 ms
52,864 KB |
testcase_21 | AC | 48 ms
52,736 KB |
testcase_22 | AC | 43 ms
52,352 KB |
testcase_23 | AC | 43 ms
52,864 KB |
testcase_24 | AC | 43 ms
52,480 KB |
testcase_25 | AC | 42 ms
52,864 KB |
testcase_26 | AC | 42 ms
52,352 KB |
testcase_27 | AC | 42 ms
52,480 KB |
testcase_28 | AC | 44 ms
52,864 KB |
testcase_29 | AC | 45 ms
52,864 KB |
testcase_30 | AC | 42 ms
52,480 KB |
testcase_31 | AC | 42 ms
52,224 KB |
testcase_32 | AC | 42 ms
52,480 KB |
testcase_33 | AC | 43 ms
52,992 KB |
testcase_34 | AC | 42 ms
52,352 KB |
testcase_35 | AC | 42 ms
52,352 KB |
testcase_36 | AC | 42 ms
52,864 KB |
testcase_37 | AC | 42 ms
52,608 KB |
ソースコード
import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c for j in range(b)] for i in range(a)] def list3d(a, b, c, d): return [[[d for k in range(c)] for j in range(b)] for i in range(a)] def list4d(a, b, c, d, e): return [[[[e for l in range(d)] for k in range(c)] for j in range(b)] for i in range(a)] def ceil(x, y=1): return int(-(-x // y)) def INT(): return int(input()) def MAP(): return map(int, input().split()) def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)] def Yes(): print('Yes') def No(): print('No') def YES(): print('YES') def NO(): print('NO') sys.setrecursionlimit(10**9) INF = 10**19 MOD = 10**9 + 7 EPS = 10**-10 class ModTools: """ 階乗・逆元用のテーブルを構築する """ def __init__(self, MAX, MOD): MAX += 1 self.MAX = MAX self.MOD = MOD factorial = [1] * MAX factorial[0] = factorial[1] = 1 for i in range(2, MAX): factorial[i] = factorial[i-1] * i % MOD inverse = [1] * MAX inverse[MAX-1] = pow(factorial[MAX-1], MOD-2, MOD) for i in range(MAX-2, -1, -1): inverse[i] = inverse[i+1] * (i+1) % MOD self.fact = factorial self.inv = inverse def nCr(self, n, r): """ 組み合わせ """ if n < r: return 0 r = min(r, n-r) numerator = self.fact[n] denominator = self.inv[r] * self.inv[n-r] % self.MOD return numerator * denominator % self.MOD N, K = MAP() mt = ModTools(max(N, K)+1, MOD) ans = 0 for i in range(K+1): if i % 2 == 0: ans += mt.nCr(K, i) * pow(K-i, N, MOD) % MOD else: ans -= mt.nCr(K, i) * pow(K-i, N, MOD) % MOD print(ans%MOD)