結果
問題 | No.2756 GCD Teleporter |
ユーザー | hato336 |
提出日時 | 2024-05-10 22:05:44 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,625 bytes |
コンパイル時間 | 387 ms |
コンパイル使用メモリ | 82,480 KB |
実行使用メモリ | 153,632 KB |
最終ジャッジ日時 | 2024-12-20 05:46:23 |
合計ジャッジ時間 | 49,600 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 43 ms
55,040 KB |
testcase_01 | AC | 45 ms
55,304 KB |
testcase_02 | AC | 45 ms
54,932 KB |
testcase_03 | AC | 45 ms
56,084 KB |
testcase_04 | AC | 417 ms
81,448 KB |
testcase_05 | AC | 814 ms
89,816 KB |
testcase_06 | AC | 1,771 ms
110,508 KB |
testcase_07 | AC | 1,481 ms
103,756 KB |
testcase_08 | AC | 1,405 ms
101,864 KB |
testcase_09 | AC | 1,232 ms
98,948 KB |
testcase_10 | AC | 1,681 ms
107,620 KB |
testcase_11 | TLE | - |
testcase_12 | AC | 703 ms
86,532 KB |
testcase_13 | TLE | - |
testcase_14 | TLE | - |
testcase_15 | AC | 702 ms
86,776 KB |
testcase_16 | AC | 1,314 ms
96,984 KB |
testcase_17 | AC | 1,530 ms
101,040 KB |
testcase_18 | AC | 652 ms
86,056 KB |
testcase_19 | TLE | - |
testcase_20 | AC | 1,882 ms
107,712 KB |
testcase_21 | AC | 988 ms
91,596 KB |
testcase_22 | AC | 1,933 ms
108,088 KB |
testcase_23 | AC | 472 ms
82,552 KB |
testcase_24 | AC | 1,553 ms
101,376 KB |
testcase_25 | AC | 1,665 ms
101,696 KB |
testcase_26 | AC | 1,808 ms
105,560 KB |
testcase_27 | AC | 1,770 ms
107,836 KB |
testcase_28 | AC | 1,119 ms
91,312 KB |
testcase_29 | AC | 1,623 ms
98,632 KB |
testcase_30 | TLE | - |
testcase_31 | AC | 1,006 ms
88,884 KB |
testcase_32 | AC | 1,025 ms
108,204 KB |
testcase_33 | AC | 473 ms
87,760 KB |
testcase_34 | AC | 191 ms
79,380 KB |
testcase_35 | AC | 700 ms
106,864 KB |
testcase_36 | AC | 659 ms
106,480 KB |
testcase_37 | AC | 45 ms
54,776 KB |
testcase_38 | AC | 1,400 ms
110,256 KB |
testcase_39 | TLE | - |
ソースコード
import collections,sys def gcd(a, b): while a: a, b = b%a, a return b def is_prime(n): if n == 2: return 1 if n == 1 or n%2 == 0: return 0 m = n - 1 lsb = m & -m s = lsb.bit_length()-1 d = m // lsb test_numbers = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37] for a in test_numbers: if a == n: continue x = pow(a,d,n) r = 0 if x == 1: continue while x != m: x = pow(x,2,n) r += 1 if x == 1 or r == s: return 0 return 1 def find_prime_factor(n): if n%2 == 0: return 2 m = int(n**0.125)+1 for c in range(1,n): f = lambda a: (pow(a,2,n)+c)%n y = 0 g = q = r = 1 k = 0 while g == 1: x = y while k < 3*r//4: y = f(y) k += 1 while k < r and g == 1: ys = y for _ in range(min(m, r-k)): y = f(y) q = q*abs(x-y)%n g = gcd(q,n) k += m k = r r *= 2 if g == n: g = 1 y = ys while g == 1: y = f(y) g = gcd(abs(x-y),n) if g == n: continue if is_prime(g): return g elif is_prime(n//g): return n//g else: return find_prime_factor(g) def factorize(n): res = {} while not is_prime(n) and n > 1: # nが合成数である間nの素因数の探索を繰り返す p = find_prime_factor(n) s = 0 while n%p == 0: # nが素因数pで割れる間割り続け、出力に追加 n //= p s += 1 res[p] = s if n > 1: # n>1であればnは素数なので出力に追加 res[n] = 1 return res class UnionFind(): def __init__(self, n): self.n = n self.parents = [-1] * n def find(self, x): if self.parents[x] < 0: return x else: self.parents[x] = self.find(self.parents[x]) return self.parents[x] def union(self, x, y): x = self.find(x) y = self.find(y) if x == y: return if self.parents[x] > self.parents[y]: x, y = y, x self.parents[x] += self.parents[y] self.parents[y] = x def size(self, x): return -self.parents[self.find(x)] def same(self, x, y): return self.find(x) == self.find(y) def members(self, x): root = self.find(x) return [i for i in range(self.n) if self.find(i) == root] def roots(self): return [i for i, x in enumerate(self.parents) if x < 0] def group_count(self): return len(self.roots()) def all_group_members(self): group_members = collections.defaultdict(list) for member in range(self.n): group_members[self.find(member)].append(member) return group_members def __str__(self): return ''.join(f'{r}: {m}' for r, m in self.all_group_members().items()) n = int(input()) a = list(map(int,input().split())) ans = 10**18 uf = UnionFind(n) c = collections.defaultdict(list) for i in range(n): x = factorize(a[i]) for j in x.keys(): c[j].append(i) ans = min(ans,j) for i in c: for j in range(len(c[i])-1): uf.union(c[i][j],c[i][j+1]) uf.union(c[i][0],c[i][-1]) print(min(ans * uf.group_count() - ans,2*uf.group_count()))