結果
問題 | No.1339 循環小数 |
ユーザー | Kiri8128 |
提出日時 | 2020-06-06 03:07:04 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 82 ms / 2,000 ms |
コード長 | 2,577 bytes |
コンパイル時間 | 128 ms |
コンパイル使用メモリ | 12,800 KB |
実行使用メモリ | 11,136 KB |
最終ジャッジ日時 | 2024-09-13 01:48:32 |
合計ジャッジ時間 | 3,281 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 32 ms
11,008 KB |
testcase_01 | AC | 34 ms
11,008 KB |
testcase_02 | AC | 33 ms
11,008 KB |
testcase_03 | AC | 34 ms
11,008 KB |
testcase_04 | AC | 34 ms
11,008 KB |
testcase_05 | AC | 33 ms
10,880 KB |
testcase_06 | AC | 33 ms
11,008 KB |
testcase_07 | AC | 33 ms
11,008 KB |
testcase_08 | AC | 33 ms
11,008 KB |
testcase_09 | AC | 32 ms
11,008 KB |
testcase_10 | AC | 34 ms
10,880 KB |
testcase_11 | AC | 36 ms
10,880 KB |
testcase_12 | AC | 36 ms
11,008 KB |
testcase_13 | AC | 37 ms
11,008 KB |
testcase_14 | AC | 36 ms
11,008 KB |
testcase_15 | AC | 36 ms
10,880 KB |
testcase_16 | AC | 36 ms
11,008 KB |
testcase_17 | AC | 36 ms
11,136 KB |
testcase_18 | AC | 35 ms
11,008 KB |
testcase_19 | AC | 35 ms
11,008 KB |
testcase_20 | AC | 36 ms
10,880 KB |
testcase_21 | AC | 66 ms
11,008 KB |
testcase_22 | AC | 67 ms
11,008 KB |
testcase_23 | AC | 65 ms
11,008 KB |
testcase_24 | AC | 67 ms
11,008 KB |
testcase_25 | AC | 65 ms
11,008 KB |
testcase_26 | AC | 62 ms
10,880 KB |
testcase_27 | AC | 70 ms
10,880 KB |
testcase_28 | AC | 64 ms
10,880 KB |
testcase_29 | AC | 66 ms
10,880 KB |
testcase_30 | AC | 62 ms
10,880 KB |
testcase_31 | AC | 76 ms
10,880 KB |
testcase_32 | AC | 82 ms
11,008 KB |
testcase_33 | AC | 72 ms
10,880 KB |
testcase_34 | AC | 44 ms
11,008 KB |
testcase_35 | AC | 45 ms
10,880 KB |
testcase_36 | AC | 68 ms
11,008 KB |
ソースコード
def gcd(a, b): while b: a, b = b, a % b return a def isPrimeMR(n): d = n - 1 d = d // (d & -d) L = [2, 7, 61] if n < 1<<32 else [2, 3, 5, 7, 11, 13, 17] if n < 1<<48 else [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37] for a in L: t = d y = pow(a, t, n) if y == 1: continue while y != n - 1: y = y * y % n if y == 1 or t == n - 1: return 0 t <<= 1 return 1 def findFactorRho(n): m = 1 << n.bit_length() // 8 for c in range(1, 99): f = lambda x: (x * x + c) % n y, r, q, g = 2, 1, 1, 1 while g == 1: x = y for i in range(r): y = f(y) k = 0 while k < r and g == 1: ys = y for i in range(min(m, r - k)): y = f(y) q = q * abs(x - y) % n g = gcd(q, n) k += m r <<= 1 if g == n: g = 1 while g == 1: ys = f(ys) g = gcd(abs(x - ys), n) if g < n: if isPrimeMR(g): return g elif isPrimeMR(n // g): return n // g return findFactorRho(g) def primeFactor(n): i = 2 ret = {} rhoFlg = 0 while i * i <= n: k = 0 while n % i == 0: n //= i k += 1 if k: ret[i] = k i += i % 2 + (3 if i % 3 == 1 else 1) if i == 101 and n >= 2 ** 20: while n > 1: if isPrimeMR(n): ret[n], n = 1, 1 else: rhoFlg = 1 j = findFactorRho(n) k = 0 while n % j == 0: n //= j k += 1 ret[j] = k if n > 1: ret[n] = 1 if rhoFlg: ret = {x: ret[x] for x in sorted(ret)} return ret def divisors(N): pf = primeFactor(N) ret = [1] for p in pf: ret_prev = ret ret = [] for i in range(pf[p]+1): for r in ret_prev: ret.append(r * (p ** i)) return sorted(ret) def calc(n): while n % 2 == 0: n //= 2 while n % 5 == 0: n //= 5 if n == 1: return 1 pf = primeFactor(n) a = 1 for p in pf: a *= (p - 1) * p ** (pf[p] - 1) for d in divisors(a): if pow(10, d, n) == 1: return d break T = int(input()) for _ in range(T): N = int(input()) print(calc(N))