結果
問題 | No.1464 Number Conversion |
ユーザー | nephrologist |
提出日時 | 2021-04-02 21:39:07 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,441 bytes |
コンパイル時間 | 150 ms |
コンパイル使用メモリ | 81,920 KB |
実行使用メモリ | 52,736 KB |
最終ジャッジ日時 | 2024-06-06 06:27:40 |
合計ジャッジ時間 | 2,101 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 39 ms
51,968 KB |
testcase_01 | WA | - |
testcase_02 | AC | 43 ms
52,608 KB |
testcase_03 | AC | 42 ms
52,352 KB |
testcase_04 | AC | 43 ms
51,968 KB |
testcase_05 | AC | 40 ms
52,096 KB |
testcase_06 | AC | 41 ms
52,096 KB |
testcase_07 | AC | 39 ms
52,352 KB |
testcase_08 | AC | 39 ms
52,480 KB |
testcase_09 | AC | 39 ms
52,480 KB |
testcase_10 | AC | 39 ms
52,608 KB |
testcase_11 | AC | 37 ms
52,096 KB |
testcase_12 | AC | 39 ms
52,352 KB |
testcase_13 | AC | 38 ms
52,480 KB |
testcase_14 | AC | 38 ms
52,352 KB |
testcase_15 | AC | 39 ms
52,608 KB |
testcase_16 | AC | 37 ms
52,096 KB |
testcase_17 | AC | 37 ms
52,352 KB |
testcase_18 | AC | 37 ms
52,480 KB |
testcase_19 | AC | 38 ms
52,096 KB |
testcase_20 | AC | 38 ms
52,480 KB |
testcase_21 | AC | 38 ms
52,352 KB |
testcase_22 | AC | 38 ms
52,096 KB |
testcase_23 | AC | 38 ms
52,480 KB |
testcase_24 | AC | 37 ms
52,480 KB |
testcase_25 | AC | 38 ms
52,608 KB |
testcase_26 | AC | 38 ms
52,096 KB |
testcase_27 | AC | 37 ms
52,224 KB |
testcase_28 | AC | 36 ms
51,968 KB |
ソースコード
x = input() if "." in x: a, b = x.split(".") bunshi = 0 bunbo = 0 bunshi = int(a) * pow(10, len(b)) + int(b) bunbo = pow(10, len(b)) else: print(x + "/1") exit() 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] 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 += 1 + i % 2 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 a = primeFactor(bunbo) b = primeFactor(bunshi) for val in a.keys(): if val in b: n1 = b[val] n2 = a[val] if n1 > n2: bunshi //= pow(val, n2) bunbo //= pow(val, n2) else: bunbo //= pow(val, n1) bunshi //= pow(val, n1) print(f"{bunshi}/{bunbo}")