結果
問題 | No.1426 Got a Covered OR |
ユーザー | ansain |
提出日時 | 2021-03-12 23:55:40 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 598 ms / 2,000 ms |
コード長 | 3,097 bytes |
コンパイル時間 | 90 ms |
コンパイル使用メモリ | 12,672 KB |
実行使用メモリ | 26,580 KB |
最終ジャッジ日時 | 2024-10-14 14:19:18 |
合計ジャッジ時間 | 5,398 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 29 ms
10,880 KB |
testcase_01 | AC | 26 ms
10,880 KB |
testcase_02 | AC | 28 ms
10,880 KB |
testcase_03 | AC | 28 ms
10,880 KB |
testcase_04 | AC | 27 ms
11,008 KB |
testcase_05 | AC | 27 ms
10,880 KB |
testcase_06 | AC | 27 ms
10,880 KB |
testcase_07 | AC | 27 ms
10,880 KB |
testcase_08 | AC | 26 ms
10,880 KB |
testcase_09 | AC | 26 ms
11,008 KB |
testcase_10 | AC | 27 ms
10,880 KB |
testcase_11 | AC | 27 ms
11,008 KB |
testcase_12 | AC | 288 ms
17,608 KB |
testcase_13 | AC | 336 ms
18,884 KB |
testcase_14 | AC | 259 ms
17,072 KB |
testcase_15 | AC | 262 ms
17,092 KB |
testcase_16 | AC | 56 ms
11,776 KB |
testcase_17 | AC | 63 ms
12,288 KB |
testcase_18 | AC | 286 ms
20,992 KB |
testcase_19 | AC | 289 ms
20,944 KB |
testcase_20 | AC | 127 ms
14,928 KB |
testcase_21 | AC | 175 ms
16,876 KB |
testcase_22 | AC | 598 ms
23,356 KB |
testcase_23 | AC | 460 ms
26,512 KB |
testcase_24 | AC | 128 ms
26,580 KB |
testcase_25 | AC | 402 ms
25,396 KB |
testcase_26 | AC | 399 ms
25,344 KB |
ソースコード
import sys from collections import defaultdict, Counter, deque from itertools import permutations, combinations, product, combinations_with_replacement, groupby, accumulate import operator from math import sqrt, gcd, factorial # from math import isqrt, prod,comb # python3.8用(notpypy) #from bisect import bisect_left,bisect_right #from functools import lru_cache,reduce #from heapq import heappush,heappop,heapify,heappushpop,heapreplace #import numpy as np #import networkx as nx #from networkx.utils import UnionFind #from numba import njit, b1, i1, i4, i8, f8 #from scipy.sparse import csr_matrix #from scipy.sparse.csgraph import shortest_path, floyd_warshall, dijkstra, bellman_ford, johnson, NegativeCycleError # numba例 @njit(i1(i4[:], i8[:, :]),cache=True) 引数i4配列、i8 2次元配列,戻り値i1 def input(): return sys.stdin.readline().rstrip() def divceil(n, k): return 1+(n-1)//k # n/kの切り上げを返す def yn(hantei, yes='Yes', no='No'): print(yes if hantei else no) class PrepereFactorial2: # maxnumまでの階乗を事前計算して、順列、組み合わせ、重複組み合わせを計算するクラス。逆元のテーブルもpow無しで前計算する。maxnumに比べて関数呼び出しが多いならこちら def __init__(self, maxnum=3*10**5, mod=10**9+7): self.factorial = [1]*(maxnum+1) modinv_table = [-1] * (maxnum+1) modinv_table[1] = 1 for i in range(2, maxnum+1): self.factorial[i] = (self.factorial[i-1]*i) % mod modinv_table[i] = (-modinv_table[mod % i] * (mod // i)) % mod self.invfactorial = [1]*(maxnum+1) for i in range(1, maxnum+1): self.invfactorial[i] = self.invfactorial[i-1]*modinv_table[i] % mod self.mod = mod def permutation(self, n, r): return self.factorial[n]*self.invfactorial[n-r] % self.mod def combination(self, n, r): return self.permutation(n, r)*self.invfactorial[r] % self.mod def combination_with_repetition(self, n, r): return self.combination(n+r-1, r) def popcnt3(n): return "{:b}".format(n).count("1") def main(): mod = 10**9+7 mod2 = 998244353 n = int(input()) B = list(map(int, input().split())) pf = PrepereFactorial2(n+1) ans = 1 minuscount = 1 tmpb = 0 for BB in B: if BB == -1: minuscount += 1 else: if tmpb != (tmpb & BB): print(0) return else: tmp = 0 in1 = popcnt3(operator.xor(tmpb, BB)) any1 = popcnt3(tmpb & BB) for i in range(minuscount+1): tmp += (pf.combination(minuscount, i)*pow(pow(2, minuscount-i, mod), any1, mod) % mod)*pow(pow(2, minuscount-i, mod)-1, in1, mod)*(1 if i % 2 == 0 else -1) tmp %= mod #print(tmp) ans*=tmp ans%=mod tmpb=BB minuscount=1 print(ans) if __name__ == '__main__': main()