結果
問題 | No.2756 GCD Teleporter |
ユーザー | detteiuu |
提出日時 | 2024-09-02 22:14:05 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 357 ms / 2,000 ms |
コード長 | 2,786 bytes |
コンパイル時間 | 395 ms |
コンパイル使用メモリ | 82,456 KB |
実行使用メモリ | 109,948 KB |
最終ジャッジ日時 | 2024-09-02 22:14:17 |
合計ジャッジ時間 | 10,990 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 63 ms
66,744 KB |
testcase_01 | AC | 61 ms
66,292 KB |
testcase_02 | AC | 62 ms
66,388 KB |
testcase_03 | AC | 63 ms
67,960 KB |
testcase_04 | AC | 131 ms
80,584 KB |
testcase_05 | AC | 197 ms
86,116 KB |
testcase_06 | AC | 304 ms
102,380 KB |
testcase_07 | AC | 262 ms
97,920 KB |
testcase_08 | AC | 250 ms
95,252 KB |
testcase_09 | AC | 231 ms
93,276 KB |
testcase_10 | AC | 283 ms
100,064 KB |
testcase_11 | AC | 320 ms
105,824 KB |
testcase_12 | AC | 156 ms
83,384 KB |
testcase_13 | AC | 347 ms
106,148 KB |
testcase_14 | AC | 298 ms
105,916 KB |
testcase_15 | AC | 160 ms
83,736 KB |
testcase_16 | AC | 225 ms
93,116 KB |
testcase_17 | AC | 249 ms
95,264 KB |
testcase_18 | AC | 153 ms
83,040 KB |
testcase_19 | AC | 331 ms
109,172 KB |
testcase_20 | AC | 285 ms
106,224 KB |
testcase_21 | AC | 180 ms
91,912 KB |
testcase_22 | AC | 282 ms
109,204 KB |
testcase_23 | AC | 125 ms
81,344 KB |
testcase_24 | AC | 233 ms
100,272 KB |
testcase_25 | AC | 255 ms
103,096 KB |
testcase_26 | AC | 274 ms
105,592 KB |
testcase_27 | AC | 274 ms
109,160 KB |
testcase_28 | AC | 217 ms
93,084 KB |
testcase_29 | AC | 266 ms
100,192 KB |
testcase_30 | AC | 325 ms
109,392 KB |
testcase_31 | AC | 205 ms
89,968 KB |
testcase_32 | AC | 182 ms
109,864 KB |
testcase_33 | AC | 124 ms
90,204 KB |
testcase_34 | AC | 122 ms
81,768 KB |
testcase_35 | AC | 220 ms
108,248 KB |
testcase_36 | AC | 226 ms
107,756 KB |
testcase_37 | AC | 63 ms
67,576 KB |
testcase_38 | AC | 312 ms
109,652 KB |
testcase_39 | AC | 357 ms
109,948 KB |
ソースコード
class UnionFind: def __init__(self,n): self.n = n self.parent_size = [-1]*n def leader(self,a): if self.parent_size[a] < 0: return a self.parent_size[a] = self.leader(self.parent_size[a]) return self.parent_size[a] def merge(self,a,b): x, y = self.leader(a), self.leader(b) if x == y: return if abs(self.parent_size[x]) < abs(self.parent_size[y]): x, y = y, x self.parent_size[x] += self.parent_size[y] self.parent_size[y] = x return def same(self,a,b): return self.leader(a) == self.leader(b) def size(self,a): return abs(self.parent_size[self.leader(a)]) def groups(self): result = [[] for _ in range(self.n)] for i in range(self.n): result[self.leader(i)].append(i) return [r for r in result if r != []] class Eratosthenes: def __init__(self, n): self.isPrime = [True]*(n+1) self.minfactor = [-1]*(n+1) self.isPrime[0], self.isPrime[1] = False, False self.minfactor[1] = 1 for i in range(2, n+1): if self.isPrime[i]: self.minfactor[i] = i for j in range(i*2, n+1, i): self.isPrime[j] = False if self.minfactor[j] == -1: self.minfactor[j] = i def factorize(self, n): factor = [] while n > 1: p = self.minfactor[n] cnt = 0 while self.minfactor[n] == p: n //= p cnt += 1 factor.append((p, cnt)) return factor def divisor(self, n): ans = [1] pf = self.factorize(n) for p, c in pf: L = len(ans) for i in range(L): v = 1 for _ in range(c): v *= p ans.append(ans[i]*v) return sorted(ans) N = int(input()) A = list(map(int, input().split())) def compress(S): S = sorted(S) D = dict() for i in range(len(S)): D[S[i]] = i return D E = Eratosthenes(10**5*2) S = set() for i in range(N): F = E.factorize(A[i]) for n, c in F: S.add(n) D = compress(S) UF = UnionFind(N+len(D)) cnt2, cnt3 = False, False for i in range(N): F = E.factorize(A[i]) for n, c in F: UF.merge(i, N+D[n]) if n == 2: cnt2 = True elif n == 3: cnt3 = True S = set() for i in range(N): S.add(UF.leader(i)) L = len(S) if L == 1: exit(print(0)) ans = 10**18 if cnt2: ans = min(ans, 2*(L-1)) else: ans = min(ans, 2*L) if cnt3: ans = min(ans, 3*(L-1)) else: ans = min(ans, 3*L) print(ans)