結果
問題 | No.550 夏休みの思い出(1) |
ユーザー | ebicochineal |
提出日時 | 2017-11-07 12:46:28 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 2,523 bytes |
コンパイル時間 | 149 ms |
コンパイル使用メモリ | 13,056 KB |
実行使用メモリ | 11,648 KB |
最終ジャッジ日時 | 2024-11-24 04:39:09 |
合計ジャッジ時間 | 4,085 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | RE | - |
testcase_01 | RE | - |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | RE | - |
testcase_43 | RE | - |
testcase_44 | RE | - |
testcase_45 | RE | - |
testcase_46 | RE | - |
testcase_47 | RE | - |
testcase_48 | RE | - |
testcase_49 | RE | - |
testcase_50 | RE | - |
testcase_51 | RE | - |
testcase_52 | RE | - |
testcase_53 | RE | - |
testcase_54 | RE | - |
testcase_55 | RE | - |
testcase_56 | RE | - |
testcase_57 | RE | - |
ソースコード
#! /usr/bin/env python3 import itertools import math import random def f (x, a, n): return (x * x + a) % n def rho(n): a = random.randint(1, n) x = y = 2 d = 1 while d == 1: x = f(x, a, n) y = f(f(y, a, n), a, n) d = gcd(abs(x - y), n) return d def gcd(a, b): if a < b: a, b = b, a while b > 0 : b, a = a % b, b return a def primefactor(n): r = [] a, b, c = 5, 7, 2 m = math.sqrt(n) for i in range(100): d = rho(n) if d != n : n //= d m = math.sqrt(n) r += [d] break while c < 4: if n % c < 1: n //= d m = math.sqrt(n) r += [c] else: c += 1 while b <= m: if n % a < 1: n //= a m = math.sqrt(n) r += [a] elif n % b < 1: n //= b m = math.sqrt(n) r += [b] else: a += 6 b += 6 if n > 1 : r += [n] return r def f(A, B, C, a, b, c): for i, j, k in itertools.product([0, 1], repeat = 3): ai = a * [-1, 1][i] bj = b * [-1, 1][j] ck = c * [-1, 1][k] if sum([ai, bj, ck]) == -A and ai * bj * ck == -C and ai * bj + ai * ck + bj * ck == B: return 1, ai, bj, ck return 0, 0, 0, 0 def f2(A, B, C, a, b): for i, j in itertools.product([0, 1], repeat = 2): ai = a * [-1, 1][i] bj = b * [-1, 1][j] if sum([ai, bj]) == -A and ai * bj == B: return 1, ai, bj return 0, 0, 0 def main(): A, B, C = map(int, input().split()) p = primefactor(abs(C)) t = [-1, 0, 1] if C != 0: for i in itertools.product([0, 1, 2], repeat = len(p)): a = b = c = 1 for j, k in enumerate(i): if k == 0 : a *= p[j] if k == 1 : b *= p[j] if k == 2 : c *= p[j] d, a, b, c = f(A, B, C, a, b, c) if d: t = [a, b, c] break print(*sorted(t)) else: p = primefactor(abs(B)) for i in itertools.product([0, 1], repeat = len(p)): a = b = 1 for j, k in enumerate(i): if k == 0 : a *= p[j] if k == 1 : b *= p[j] d, a, b = f2(A, B, C, a, b) if d: t = [a, b, 0] break print(*sorted(t)) if __name__ == '__main__': main()